Title On Etiology and Pathophysiology of Acute Pancreatitis
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Title On Etiology and Pathophysiology of Acute Pancreatitis
Title Author(s) Citation Issue Date URL On Etiology and Pathophysiology of Acute Pancreatitis : WITH SPECIAL REFERENCE TO PARTICIPATION OF PHOSPHOLIPASE A HATAO, MASAHIKO 日本外科宝函 (1969), 38(1): 76-106 1969-01-01 http://hdl.handle.net/2433/207532 Right Type Textversion Departmental Bulletin Paper publisher Kyoto University 9 96 n.1 a 6,J 0 (1),川∼ 1 8 .3 r i h .C p a .J h c r A s i t i t a e r c n a eP t u c fA yo g o l c i s y h p o h t a yandP g o l o i t OnE WITHSPECIALREFERENCETOPARTICIPATION OF PHOSPHOLIPASEA by MASAHIKO HATAO l o o h c lS a ,Medic y t i s r e v i n yKyotoU r e g r u nofS o i s i v i tD s he1 Fromt ) O NJ .IcmoHo . Dr f o r r:P o t c e r i D ( : f 96 3,1 .2 t nOc o i t a ic l b u rP o df ve ei c Re CONTENTS n o i t c du o tr n . I I s d o dMeth n sa l a i r e t 1 L L N I l Animal a t n e m i er p . Ex 1 l a t r o dP n la a i r e t r fλ to n e m e r . M引 叫1 2 s e r u s s e r P a田 A p li o h sp o ionofPh t c a r t x .E 3 s in i t i 回 t r c n a eP t u c f A on o i t uc d o r .P 4 ls a m i An e A s a p i hol p s n of Pho o i t a n i m r e t e . D 5 y t i v i t c a ) n i h t i c e L e( 1t ; r t s b u fS no o i t a c i f i r u i P . e s a p i l o h p " < h e of P c r u o S . ~: 1mple ( i i 入1 、 tPm n円 o i at b u nc . I 1 u t n e nt (o r‘ e . Acl巨只t v i t i n . U v t式 l u s . Re I I I n ty i i v i t e A Ac s a p i l o h p s o h sofP e g n a h . C A i> t i t 1 . e cr n a yP r a i l i eB t u c hA t i Dogsw ty ivi e A Aじt as p i l o h p s f Pho so e g n a h .C 1 s a e r c n a nP i h t i w y t i v i t e A Ac s 1 : p i l o h p s f Pho so e g n a h 2.C er iv nL i h t i w tv i v i t c eA A s a p i ol h p s o f Ph so e ng a . Ch 3 d o o l alB rt o nP i y t i v i t e A Ac s a p i l o h p s sofPho e g n . Cha 4 d o o l lB a r e h p i r e nP i 、of Phospholipase A Activity e g . Chan 5 d i u l 田 lF ton i r e nP i 、 . Summary i I ag e A on Or s a p i f Phosphol eo c n e u l f n . I B 口 、 ms s eA Admini s a p i ol ph s fPho eo c n e u l f n .I 1 nDogs l Veini a r o m e dfromF e r e t s i n i m d eA A s a p i hol sp fPho eo c n e u l f n .I 2 n i e lV a t r o dfromP e r e t u c b u eA S as p i l o h p s f Pho eo c n e u l f n .I 3 d e r e t y Adminis l s u o e n a t n o i us f n eA I s a p li o h p s o eofPh c n e u l f n .I 4 e c a p alS ne o t i er p o r t e oR t n i . Summary 5 d e c u d o r :P ; i t i t a e r c n a f 入('JJle P so g n i d n i . F C eA s a p i ol h p s o fPh no o i s u f n yI b n rI e t f isa t i 回 t nn tePa u c fA so g n i d n i .F 1 f g Body Weighto k / c .II~ c f0 no o i us f t c u cD i at e r oPanc t n eA i s a p i l o h Phosp n rI e t f sa i t i t a e r c n a eP t u c fA gso n i d n i .F 2 f c/kg Body Weighto .3c f0 no o i s u f t c u cD i at e r c oPan t n eA i s a p i l o h p s o h P nrI e t f isa t i at e r c n a eP t f Acu gso n i d n . Fi 3 f c/kg Body Weighto .5c f0 no o i s u f t c u cD i at e r oPanc t n eA i s a p i l o h p s o h P dy u lSt o r t n . Co 4 y . Summar 5 n o si s u c is IV. D . Summany V s e c en r . Refe I V INTRODUCTION e l o ly explained,almost a century ago, the r l a c i t e r o e h sttime t r i Since KLEBS for the f ’ n o c t u o d e i r r a c n e e b e , numerous studies hav s i t i n acute pancreat of pancreatic enzymes i c enzymes. Above i t a e s and pancr i t i t a e r c p between acute pan i h s n o i t a rel ter n cerning the i ONETIOLOGYANDPATHOPHYSIOLOGYOFACUTEP A ! ¥ ' C R E A T I T I S 7 7 a l l , most i n t e n s i v e l ya c t i n gp r o t e o l y t i ce n z y m e s ,p a r t i c u l a r l yt r y p s i n , have been w i d e l y s t u d i e d from v a r i o u sa s p e c t s , and i ti sg e n e r a l l ya c c e p t e dt h a tt r y p s i np l a y s an i m p o r t a n t r o l ee n z y m o c h e m i c a l l y and pharmacodynamically i np a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s . I n1 9 3 4 , however, DRAGSTEDT20> was t h ef i r s twhod o u b t e dt h ee s s e n t i a le t i o l o g i cs i g n i f i c a n c ei na c u t ep a n c r e a t i t i s from t h ef a c tt h a tt r y s i nd o e sn o ta c t upon l i p o i d s and c e l l u l a r membranei scomposed o fl i p o i dm a t e r i a l . S u z u K r B 7 ) , BECK e ta 1 . n s i , FUJIYAMA29> and HAVERBACK e ta J . 4 4 >f a i l e dt od e m o n s t r a t et r y p s i na c t i v i t yi nb i l i a r yp a n c r e a t i t i st h eformer twoi nt h ep a n c r e a t i ct i s s u ea r . J . dt h el a t t e rtwoi np a n c r e a t i cj u i c e , and i t was f u r t h e r m o r e p o i n t e do u tt h a te x p e r i m e n t a l l yp r o d u c e db i l i a r yp a n c r e a t i t i si sm o r p h o l o g i c a l l yd i f f e r e n t from p a n c r e a t i t i sc a u s e d by t r y p s i n 9 5 > . E L M S L I E 2 5 > 2 5 >a l s or e p o r t e dt h a tp a n c r e a t i t i sc o u l d n o tb ep r o d u c e de v e ni fa c t i v a t e dt r y p s i nwas i n f u s e di n t ot h ep a n c r e a t i cd u c t ,u n l e s st h e t r y p s i n was i n f u s e dw i t hh i g hp r e s s u r e . Thus, t h e r ea r en o t afew o p i n i o n sa g a i n s tt h e c o n c e p ti n which p a r t i c u l a re m p h a s i si sp u t on t r y p s i ni nt h ec a u s eo fa c u t ep a n c r e a t i t i s . Trypsini se s s e n t i a l l yp o s s e s s e do fv e r yl i t t l ee f f e c ton p r o t e i no fn o r m a l l yv i a b l ec e l l s 0 1 9 > ,a n d ,f o rt h em a n i f e s t a t i o no f dynamic t r y p s i na c t i v i t y ,i ti si n d i s p e n s a b l et h a tc e l l s a r ea l r e a d yi m p a i r e di n some way. As h a sb e e ns u r v e y e di nt h ea b o v e ,c o n c e r n i n gt h e e t i o l o g y and p a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s ,e x i s t e n c eo f some o t h e rf a c t o rwhich p l a y ssome r o l ei ne a r l i e rs t a g et h a nt r y p s i na c t s ,s h o u l db ea d m i t t e d . l s H I K AwA5 0 >o b s e r v e dt h a ti nd o g sw i t he x p e r i m e n t a l l yp r o d u c e da c u t ep a n c r e a t i c n e c r o s i st i s s u er e s p i r a t i o no ft h el i v e rg r a d u a l l yd e c r e a s e dw i t h accompanying i n c r e a s ei n a c t i v i t yo fp h o s p h o l i p a s eC p r o d u c e dbyC l o s t r i d i u mw e l c h i iw i t h i nt h el i v e r , and t h i s may b es o m e t i m e s oneo ft h el e t h a lf a c t o r s . Hef u r t h e ro b s巴r v e di n t e n s ea c t i v i t yo fp h o s p h o l i p a s ei nt h ep a n c r e a t i ct i s s u eo rp a n c r e a t i cj u i c e ,whichc a n n o tb en e u t r a l i z e d ,eveni nnormal i n c e BoKAY‘ sr e p o r t 1 0 >i n1 8 7 7 ,i th a s been w i d e l y known a n i m a l s , by a n t iα~toxin. S t h a ts i m i l a r l yt ot h el e t h a lt o x i no fp h o s p h o l i p a s eC ,t h e r ee x i s t sp h o s p h o l i p a s eA i nt h e p a n c r e a s , which a c t s upon p h o s p h o l i p i d . P h o s p h o l i p a s eA i sc o n t a i n e di na n i m a lt o x i n l i k es n a k evenom, and i th a sa t t r a c t e di n t e r e s t from v a r i o u sa s p e c t sa s as u b s t a n c e which r e v e a l ss t r o n gt o x i c i t y by i t s e l fo rt o g e t h e rw i t hh e m o l y t i ce f f e c to fl y s o l e c i t h i np r o d u c e d a s ar e s u l to fa c t i o n on l e c i t h i n 4 > 1 1 > 1 2 > 1 5 > 2 3 > 3 4 > 3 s > 3 9 > 5 o , Membranous components o fc e l l s s u c ha sc e l l u l a r membrane i s mainlycomposed o fp h o s p h o l i p i d , and i ti se a s i l ys u p p o s e d t h a tc e l l sc a nn o tm a i n t a i n normal f u n c t i o ni ft h ec e l l u l a r membrane i sa f f e c t e d by p h o s p h o l i p a s e . I na c u t ep a n c r e a t i t i s ,v a r i o u s enzymes a r ea c t i v 叫 e do rm o b i l i z e dt ot h e whole body w i t hr e s u l t i n gv a r i o u ss i g n sc h a r a c t e r i z i n gc l i n i c a lsymptomso ft h i sd i s e a s e . P h o s p h o l i p a s e A, one o ft h ep a n c r e a t i ce n z y m e s ,h a s been c o n s i d e r e dt oe x i s t most a b u n d a n t l yi nt h e p a n c r e a s 3 0 > and t ob ep o s s e s s e do fs t r o n gt o x i c i t y . However,fews t u d i e s have been made on t h ea t t i t u d e and p a t h o p h y s i o l o g i cr o l eo fp h o s p h o l i p a s eA i na c u t ep a n c r e a t i t i s . I n 1 9 6 1 ,Z r n v E 9 8 >o b s e r v e d an i n c r e a s ei np h o s p h o l i p a s eAi np e r i p h e r a lb l o o do fp a t i e n t s w i t ha c u t ep a n c r e a t i t i s , and p o s t u l a t e dd i a g n o s t i cs i g n i f i c a n c eo fd e t e r m i n a t i o no fp h o s p h o l i p a s e A. CREUTZFELDT13> a l s or e p o r t e di n1 9 6 6t h a tf u l m i n a n ta c u t ep a n c r e a t i t i sc o u l db e e x p e r i m e n t a l l yp r o d u c e d by i n f u s i o no fl y s o l e c i t h i no rm i x t u r eo fp h o s p h o l i p a s e A and c h o l i ca c i di n t ot h ep a n c r e a t i cd u c t , andhep o i n t e do u tt h ei m p o r t a n tr o l eo fp h o s p h o l i p a s e Ai ne t i o l o g yo fa c u t ep a n c r e a t i t i s . Concerning t h er o l eo fp h o s p h o l i p a s eA i na c u t e p a n c r e a t i t i s , however, o n l y afew s t u d i e s have b e e nr e p r o t e d . 78 日 ・ 外 ・ 宝 第3 8巻 第 1号 ( 昭 和4 4 年 1月 〕 I n d e p e n d e n t l y fromt h e s es t u d i e s ,i no u rc l i n i c ,o r i g i n a t i n gfrom t h es t u d y on p h o s p h o l i p a s eC a ti n t e r r u p t i o no ft h eh e p a t i ca r t e r y 9 6 > ,s t u d i e s have beenc a r r i e do u t ont h e s i g n i f i c a nじeo fp h o s p h o l i p a s eC i na c u t ep a n c r e a t i cn e c r o s i s 5 0 > . I nt h ep r e s e n te x p e r i m e n t , si n t e n t i o nt oi n v e s t i g a t ep h o s p h o l i p a s eA,one o ft h ep a n c r e a t i ce n z y m e s , i twast h ea u t h o r’ which i sc o n s i d e r e dp r e s u m a b l yt op l a yani m p o r t a n tr o l et o g e t h e rw i t ht r y p s i ni ne t i o l o g y and p a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s . I nt h i sa i m ,a c t i Y i t yo fp h o s p h o l i p a s eA a n d i t sf l u c t u a t i o n werei n v e s t i g a t e dw i t ht h el a p s eo ft i m ei nt h ep a n c r e a s ,l i v e r ,p o r t a lb l o o d , p e r i p h e r a lb l o o d and p e r i t o n e a lf l u i do fd o g sw i t he x p e r i m e n t a l l yp r o d u c e da c u t ep a n c r e a t i t i s . M o r e o v e r ,p h o s p h o l i p a s eA, e x t r a c t e dfromt h eb o v i n ep a n c r e a s , was i n f u s e di n t o t h ep o r t a lv e i no rr e t r o p e r i t o n e a ls p a c ei no r d e rt oi n v e s t i g a t et h ei n f l u e n c eo fp h o s p h o l i p a s e A on o r g a n i s m . S t u d i e s weref u r t h e rc a r r i e do u tont h es i g n i f i c a n c eo fp h o s p h o l i p a s e Ai ne t i o l o g i cp r o c e s so fa c u t ep a n c r e a t i t i s . I I . MATERIALSANDMETHODS 1 . E x p e r i m e n t a l Animal H e a l t h ya d u l t mongrel d o g so fb o t hs e x e s weighingfrom 6 t o1 5kg wereu s e d . 2 . Measurement o fA r t e r i a l and P o r t a lP r e s s u r e s Formeasuremento fa r t e r i a lp r e s s u r e ,t h ef e m o r a la r t e r y was e x p o s e d ,i n t o whicha f l e x i b l ep l a s t i cc a n u l a wasi n s e r t e db e i n gU-shapedm e r c u r i a lmanometerc o n n e c t e d . P o r t a l p r e s s u r ewas measured bya q u e o u s manometer c o n n e c t e dw i t h av i n y lt u b e whichw a s i n s e r t e di n t ot h ep o r t a lv e i nt h r o u g ho n eo ft h eb r a n c h e so ft h es u p e r i o rm e s e n t e r i cv e i n . 3 . E x t r a c t i o no fP h o s p h o l i p a s eA P h o s p h o l i p a s e入 wase x t r a c t e df o l l o w i n gt h emethodo fRrMON and S H A P I R 0 7 9 >f r o m t h eb o v i n ep a n c r e a s , which had b e e no b t a i n e di m m e d i a t e l ya f t e rs l a u g h t e r and p r e s e r v e d f o r 2 weeks b e i n gf r o z e n . Namely, f r o z e np a n c r e a s was warmedand homogenizedb y sb l e n d e r . The homogenate wasf i l t e r e dt h r o u g hd o u b l es h e e t so fg a u z e . The Waring’ f i l t r a t e( p r e p a r a t i o nI )wasc e n t r i f u g e da t° 3 t o 6°Cand 2 0 ,000G f o r 1h o u r , andt h e s e d i m e n t wasr e s u s p e n d e di n0 .05M-EDTA 2 ; ¥ J as o l u t i o no fpH6 .0 . I t was c e n t r i f u g e d a g a i na t° 3 t o 6°C and 山, 000G f o r 10 m i n u t e s . The s e d i m e n t was r e s u s p e n d e di n w a t e randc e n t r i f u g e d . Thes e d i m e n twas r e s u s p e n d e di n0 .067M S o e r e n s e np h o s p h a t e b u f f e ro fpH 6 .5 ( p r e p a r a t i o nI I ) . Byt h e s ep r o c e d u r e s ,s o l u b l ep r o t e i n sc a nb es e p a r a t e d o r1 0m i n u t e st od e s t r u c t and r e m o v e d . Then, p r e p a r a t i o nI I was h e a t e da t7 0 ° t o7 5 'C‘f 0 ,000G f o r1 5m i n u t e s . Theo b p h o s p h o l i p a s eB , andc e n t r i f u g e da t° 3 t o β 'C and 2 t a i n e ds e d i m e n t( p r e p a r a t i o nI l l ) was d i s s o l v e di n0 .1M g l yじi n ' . ¥ i a O Hb u f f e ro fpH9 .8 ( c o n t a i n i n g 32%v/vo fe t h a n o l )a t room t e m p e r a t u r e and c e n t r i f u g e da t° 3 t o 6°Ca n d 1 3 ,000G f o r1 0m i n u t e st oremoveu n s o l u b l es u b s t a n c e s . Thes u p e r n a t a n t was a d j u s t e d t opH 6 .5 t o7 .0 r e s u l t i n gi np r e c i p i t a t i o n , which was c e n t r i f u g e da t 3' 't o 6°Ca n d .067M 2 0 ,000G f o r20m i n u t e st os e p a r a t et h es e d i m e n t . Thes e d i m e n twasd i s s o l v e di no ~hosphate b t 出e ro f pH 7 .0 ( p r e p a r a t i o n IV ・ ) The o b t a i n e dp r e p a r a t i o n IV m a n i f e s t s d e c o m p o s i t i o nc a p a c i t yo fo v o l e c i t h i no f0 .0324μ moles/mgm i n .i n 2 :4 :6 c o l l i d i n e r e p a r a t i o n IV was u s e da sp h o s p h o l i p 脱 Ai nt h ep悶 n t目 b u f f e ra t 30°C6n ~his p p e r i m e n t . The p r o t e mc o n t e n t wasd e t e r m i n e df o l l o w i n gt h e method o f LOWRY56) 4 . P r o d u c t i o no f AcuteP a n c r e a t i t i si n Animals Dogs were a n e s t h e t i z e dw i t hi n t r a v e n o u sa d m i n i s t r a t i o no f Nembutalo f 25mg/kg ONETIOLOGYANDPATHOPHYSIOLOGYOFACUTEPANCREATITIS 7り body w e i g h t . Theabdomenwasopenedbyu p p e rm i d l i n ei n c i s i o n . The a c c e s s o r yp a n c r e a t i cd u c t was l i g a t e d and t h e main p a n c r e a t i cd u c t was e x p o s e d ,i n t o which p a n c r e a t i t i s p r o d u c i n ga g e n t swereg e n t l yi n f u s e d . Then t h e main p a n c r e a t i cd u c t was d o u b l yl i g a t e d andc u t . As p a n c r e a t i t i sp r o d u c i n ga g e n t ,0 .3cc/kg bodyw e i g h to fa u t o g e n o u sb i l e was u s e df o ri n v e s t i g a t i o no ff l u c t u a t i o ni np h o s p h o l i p a s eA a c t i v i t y . At t h e same t i m e ,p h o s p h o l i p a s eA s u s p e n s i o no f 10mg/cc, e x t r a c t e dfromb o v i n ep a n c r e a s ,was i n f u s e di n t ot h e main p a n c r e a t i cd u c ti nv a r i o u sd o s e sw i t h sodium d e o x y c h o l a t ei no r d e rt oe x p l o r et h e a p p e a r a n c eo fo n s e to fa c u t ep a n c r e a t i t i s . For t h ec o n t r o ls t u d y ,f a l s el a p a r o t o m y was performed and t h e panじr e a t i cd u c t was e x p o s e d and b i l ev v a sd i s c a r d e d . 5 . D e t e r m i n a t i o no fP h o s p h o l i p a s eA A c t i v i t y i . P u r i f i c a t i o no fS u b s t r a t e( L e c i t h i n ) O v o l e c i t h i n was e x t r a c t e d and p u r i f i e d from f r e s hy o l kf o l l o w i n gt h e method o f PANGBORN72> which was u s e df o rs u b s t r a t e . Yolk was t r e a t e dw i t ha c e t o n and added w i t h 95 p e rc e n te t h a n o l , which was t h e nv i g o r o u s l y shaken and f i l t e r e d by a s p i r a t i o n . S o l u t i o no f CdCl2 was added t ot h ef i l t r a t e and p r e c i p i t a t i o no fl e c i t h i n C c l C I , was p u r i f i e dw i t hc h l o r o f o r m ,e t h a n o l and p e t r o l e u me t h e r , which was f u r t h e rd i s s o l v e di nc h l o r o form and v i g o r o u s l y shaken w i t h 30 p e rc e n ta l c o h o lt od i s s o c i a t el e c i t h i n from CdCl2 compound. The p r e c i p i t a t i o n was d r i e dunder d e c o m p r e s s i o n . The o b t a i n e dl e c i t h i n was d i s s o l v e di n anhydrous e t h e r and f i l t e r e d by BUCHNER’ sf u n n e l . By t h i sp r o c e d u r e ,f l o e c u l e n tp r e c i p i t a t ec o u l db er e m o v e d . Remaining c l e a rf i l t r a t e was d r i e d under vacuum. Thus, f i n a l l yp u r i f i e dl e c i t h i n was o b t a i n e d ,which wass t o r e di nr e f r i g e r a t e rb e i n gs o l v e d i n as m a l l amount o fa b s o l u t ea l c o h o lu n t i lu s e d . Q u a n t i t a t i v ed e t e r m i n a t i o no fl e c i t h i n was done t h r o u g hd e t e r m i n a t i o no fp h o s p h o r u s2 7 > . i i . Sample ( S o u r c eo fP h o s p h o l i p a s e A) P a n c r e a t i ct i s s u e ,h e p a t i ct i s s u e ,p o r t a lb l o o d ,p e r i p h e r a lb l o o d and p e r i t o n e a lf l u i d werec o l l e c t e d frome x p e r i m e n t a la n i m a l sb e f o r et h ep r o d u c t i o no fa c u t ep a n c r e a t i t i s ,6 , 1 2 , 1 8 , ~4, 48 and 72 h o u r sa f t e rt h ep r o d u c t i o no fa c u t ep a n c r e a t i t i s ,and p h o s p h o l i p a s e Aa c t i v i t y was d e t e r m i n e di ne a c hs a m p l e ,r e g a r d i n gthema se n z y m a t i cs o u r c e . P a n c r e a t i c s a m p l e was t a k e n from t h ei n f e r i o r arm o ft h ep a n c r e a si n as m a l ls e c t i o n and u s e di n a 10 p e rc e n th o m o g e n a t e . L i v e rsample was t a k e nfromt h el e f ti n f e r i o rl o b e and u s e d i n a33 p e rc e n th o m o g e n a t e . P o r t a lb l o o dwasc o l l e c t e dd i r e c t l y from t h ep o r t a lv e i ni n t h el i v e rh i l u m , andp e r i p h e r a lb l o o d was c o l l e c t e d fromt h ef e m o r a lv e i n ,b o t ho ft h e s e b e i n gi m m e d i a t e l yu s e da f t e rs e p a r a t i o no fs e r u m . P e r i t o n e a lf l u i d was c o l l e c t e dd i r e c t l y around t h e duodenum. i i i . I n c u b a t i o n System F o l l o w i n gt h emethod o fZ I E V E 9 8 > , enzyme s o u r c eo f1 .0c c was added t o0 .05M .0c cw i t h pH8 .4 5 , which was p r e h e a t e df o r30m i n u t e sa t55°C. The b o r a t eb u f f e ro f1 m i x t u r e wasadded t o 30μM o fs u b s t r a t e( o v o l e c i t h i n ) and 20mg o fd e o x y c h o l a t es u s pended i n 4c co f0 .OSM b o r a t eb u f f e r ,andt h i swasi n c u b a t e df o rc e r t a i nl e n g t ho ft i m e a t 55°C. D u r a t i o no ft h ei n c u b a t i o nd i f f e r e d dependingon t h es o u r c eo f enzyme, i tb e i n g 60 m i n u t e sf o rp a n c r e a t i cs a m p l e , 180m i n u t e sf o rh e p a t i cs a m p l e and p e r i t o n e a lf l u i d and 1 8h o u r sf o rs e r u m . P h o s p h o l i p a s eA a c t i v i t y was d e t e r m i n e d fromt h ed e c r e a s ei na c y le s t e r bond which i sp r o d u c e da sar e s u l to ft h ep r o c e s so fi n c u b a t i o ni nwhich s u b s t r a t el e c i t h i ni s decomposed 日 ・ 外 ・ 宝 第3 8巻 第 1号 ( 昭 和44年 1月 ) 80 andc o n v e r t e dt ol y s o l e c i t h i n . i v . Acy! E s t e rC o n t e n t Acy! e s t e rc o n t e n twasd e t e r m i n e df o l l o w i n gt h ehydroxamic a c i d methodo fSTERN andSHAPIR086J. v . U n i t An amount o fp h o s p h o l i p a s e A which decomposes 0 .0 0 0 1 1 _ 1 , Mo fs u b s t r a t ep e r1 m i n u t e was e x p r e s s e da s 1u n i t . I I I . RESULTS A. Changes o fP h o s p h o l i p s eA A c t i v i t yi n Dogs w i t h Acute B i l i a r yP a n c r e a t i t i s T a b .1 . P h o s p h o l i p a s eA A c t i v i t y( u n i t s / g )w i t h i nP a n c r e a s Dogs w i t hAcuteP a n c r e a t i t i s 品叩 −4A 一凡 U h 戸H Q 、 2 パリ 凡 U 1i ハノ− i UH ハ ll l i l ) I ) FO − ょ v nハ ︶ ︵︷ ‘ 4t4 4iE 三 1i リ 24800I : m r n o 7 2 0 0 1 3 2 0 0i1 : ' i f i ( ) ( ) 5200 22400 1 1 2 0 0 I 19600 1 4 0 0 0 '.! ~10!1 22400 2 8 0 C 8 ! l 山 0 0: 1 5 0 0 0 ' . ! : ! 4 1 ) ( ) l f i K l l l l ' . : ! 1 ) 7 ( ) 1 ) lhlI II 1 1 2 0 0 11200 1 2 附 I V l l 2 o o - “ 細川宅つ伝一一 7 −− 25200 I QU ノ 臼 句lム ハ 川 口U 什 UH1A ’tH ηハU ょ 4QP9 ワ ︼ 吋i 1 − リ ハV A U ハリ内リ ハV ハU H り ハ U 1 4 ・ハ U 4 t c o 山口凡リハ U パリ ﹄ つ ハH A U ハU 4 02J tA い HQOQ a u 1 0 8 0 0 ハ b 寸ょっリ ﹄ リ︼戸 リ 旬 、i ム h a q f h V 41 ﹂ 4A114 1 4 0 0 0 8400 三 三1 0 1 1 22400 1 9 f i 0 0I 1 4 0 0 1 J ¥ f J l i l l l l S u r v i v a l Time ) ( h o u日 .円自立 2 1 G 4 7 3 6 1 2 2 H 0、 f22070293330125 7 n 4 1 5 1 1111217 u 一η 一 NJ t i t 卸 つ rh 一心︽ 。ハリ hH ’ h店 一 町一!一 TA r e l 4 Mean ト 1 4 . 5 1 0 .0 1 4 . 0 1 0 .0 9 . 0 8 . 5 7.2 7.5 9 . 5 7.5 9 . 5 7 . 5 1 0 .0 A 5 ︻ I . 1 1 .0 l 8 . 5 V 8 0 8 心円 4 6 8 J 6 8 6 6 2 8 30423852638511 111211111 1 2 . 0 l 」0 一向 1 2 . 0 5200 ∞∞∞山川山山川∞∞∞川∞ ∞∞川∞川∞∞一川 ‘ 1 0 . 0 I つ n h U F O R U 4 4 4 4 J h t a h rH n x u n E R U 1 2 2 5 8 1 8i1 5 5 2 d n H 己一H 1i ’ δ ♀ ♀ 8 6 6 合 8640 合 6 8 8 8 合小 O 合 ♀ 合 71 82 92 02 12 2 3 4 5ソ 67 7 8 9 011121314151 1 1仁川 1 句 1 4 .o 1 4 . 5 一 一 111i1111111 一円 U A U A U 円U 川 刊 日 U ハU H け 一 日 U A U n U ハリハ V 円U ハU H U 一 つ & 一 ハ U 虫usqnhU じりハ UPhU に刊 J H D F U −− (同〉; B e f o r e I n f u s i o n 14 一 つ 白 つ − 円 U R U 23112 一一 j I 一前川町 川町川∞∞∞川∞∞∞∞∞∞ Body Weight 一 S e x 色合 一 一 i 、 w.' 6 一 一一 一 J?~g J : q l ) ( ) C o n t r o l Animals ハU HAU 什 八 U unntυ 円 U 8 0 C 8 5 6 0 0 5600 7600 I 川 S u r v i v e d コ 8 0 ( ) 8000 S u r v i v e d 8 4 0 0 . ) f i l l ( ) 5600 S u r v i v e d 円 円1 1 0 6500 n k U FO 8 8 0 0 ハ リ ハ U 一 円U , ヮ ハU 一 ハU i 司 ︿ d i・つムヮ“− nb 一八 n ununv u nU 凡U ハU 一 円U η A性 A当 一 n 5 − ノ 8 8 一7 ヴ,一 ハリハ U ハリ一 06 一 リ n H 一回 一 一M ♀合合一 123 8 4 0 0 01' ETIOLOGY ANDPATHOPHYSIOLOGY OF ACUTEPANCREATITIS パl 0008000 0000000 0 0 0 0 0 0 53 02 52 01 59 00 5 3 ︵国\=︶ン亡己ぢ︿げ司包三戸一=戸一巳54L : ' v 1 e : i nV a l u e 一 一 一 DogswithAcutePancr回 t it i s − 一 一 一 Cnntrol Animalぉ { 、 ・ ー一 ,, 一 、 , 、 ーーー−ーーーーーー− ー一ーーー -’ 、 、‘. Before 唱2 1 8 24 Hoursa f t e rI n f u s i o n 48 72 B e f o r e 1 2 1 8 24 48 72 Hoursa f t e rI n f u s i o n 回只 F i g .1 . F l u c t u a t i o ni nP h o s p h o l i p a s eA A c t i v i t yw i t h i nP a n c r 1 . Changeso fP h o s p h o l i p a s eA A c t i v i t yw i t h i nP a n c r e a s P h o s p h o l i p a s eA a c t i v i t yw i t h i nt h ep a n c r e a sb e f o r et h ep r o d u c t i o no fa c u t ep a n c r e a t i t i sr a n g e dfrom 2 ,800t o1 8 ,400 u n i t s / g ,7 ,500 u n i t s / g on t h ea v e r a g e ,a s shown i n T a b .1 . P h o s p h o l i p a s eA a c t i v i t yi n c r e a s e dfrom 6 h o u r sa f t e rt h ep r o d u c t i o no fa c u t e p a n c r e a t i t i s ,r e a c h i n gt h eh i g h e s tl e v e l from 1 8t o 24 h o u r sa f t e rt h ep r o d u c t i o no fa c u t e p a n c r e a t i t i s ,t h e nshowingat e n d e n c yo fg r a d u a ld e c r e a s eo rm a i n t e n a n c ei nah i g h e rl e v e l , a sshown i nT a b . 1andF i g .1 . The a v e r a g ea c t i v i t yo f21l e t h a lc a s e swasa s2 .5t i m e s h i g h e rt h a np r e o p e r a t i v el e v e l ,a sd e t e r m i n e di m m e d i a t e l yb e f o rd e a t h . I n3 c a s e so fc o n t r o l s t u d y ,l i t t l ef l u c t u a t i o nc o u l db eo b s e r v e di np h o s p h o l i p a s eA a c t i v i t yw i t h i nt h ep a n c r e a s , a si nT a b .1 . 2 . Changes o fP h o s p h o l i p a s eA A c t i v i t yw i t h i nL i v e r P h o s p h o l i p a s eA a c t i v i t yw i t h i nt h el i v e rr a n g e dfrom0 t o1 ,050u n i t s / g , 520 u n i t s / g ont h ea v e r a g e ,b e f o r et h ep r o d u c t i o no fa c u t ep a n c r e a t i t i s ,a s showni nT a b .2 . A f t e r t h ep r o d u c t i o no fa c u t ep a n c r e a t i t i s ,p h o s p h o l i p a s eA a c t i v i t yi n c r e a s e da l s oi nt h el i v e r w i t hat e n d e n c yo fg r a d u a li n c r e a s ew i t ht h el a p s eo ft i m e . I nl e t h a lc a s e s ,d e c r e a s eo f t h ea c t i v i t yc o u l dn o tb eo b s e r v e d ,a sshowni nTab.2andF i g .2 ,andt h ea v e r a g ea c t i v i t y n a sd e t e r m i n e di m m e d i a t e l yb e f o r ed e a t hwasa s 3t i m e sh i g h e rt h a np r e o p e r a t i v el e v e l . I c a s e so ff a l s eo p e r a t i o n ,o n l ys l i g h ti n c r e a s ei np h o s p h o l i p a s eA a c t i v i t yc o u l db eo b s e r v e d i nt h el i v e ra f t e rs u r g e r y , and t h e r ewas no l e t h a lc a s e . 3 . Changeso fP h o s p h o l i p a s eA A c t i v i t yi nP o r t a lB l o o d P h o s p h o l i p a s eA a c t i v i t yi np o r t a lb l o o dr a n g e d from 6 .7 t o3 1 .1u n i t s / c c ,1 7 .1 u n i t s / c cont h ea v e r a g eb e f o r es u r g e r y ,a s summarizedi nT a b .3 . A f t e rs u r g e r y ,p h o s p h o l i p a s eA a c t i v i t yr e m a r k a b l yi n c r e a s e d on o n e way, and t h ea v e r a g ea c t i v i t y wasa s 6 .1t i m e sh i g h e rt h a np r e o p e r a t i v el e v e la sd e t e r m i n e di m m e d i a t e l yb e f o r ed e a t h ,a sshown i nT a b . 3 andF i g .3 . There was no c a s e which showedt h ed e c r e a s ei nt h ea c t i v i t y . I nc a s e so ff a l s eo p e r a t i o n ,l i t t l ef l u c t u a t i o nc o u l db eo b s e r v e di np h o s p h o l i p a s eA a c t i v i t y . 4 . Changeso fP h o s h o l i p a s eA A c t i v i t yi nP e r i p h e r a lB l o o d B e f o r et h ep r o d u c t i o no fa c u t ep a n c r e a t i t i s ,p h o s p h o l i p a s eA a c t i v i t yi np e r i p h e r a lb l o o d r a n 伊 df rom 0 t o2 3 .3 u n i t s / c c ,1 4 .0 u n i t s / c cont h ea v e r a g e ,a si nT a b .4 . P h o s p h o l i - ) 日・外・ 宝 第38巻 第 1号 (昭和44年 1月 ゴ 8 r e v i nL i h t i g)w / s t i n u y( t i v i t c eA A s a p i ol ph s Tab.2. Pho ,引! j d τ 一 一 N 山 、一 f u ’ q whm 一6 M ︼ 性 凋 げ U M M ロηm 円 ︺ u q m ηmm却m却 日 ω η m d にー 唱 同 EA 噌 可 ロ白日 ∞∞印印 つω ω A 司 一 一 一 一 £onJ 日。∞ 一鈎 一 ηJ AUnunu一 比 81一 ︻ ﹃ 匂 ﹃ − 、 、 、 , , , , , , , . 72 ・ 4 4 2 ., つ 釘 弓 , 1 f\ − 一8 一 一4 、, s v− 一 u 目 . u − n − 一− n 1 r ﹃ o 4 7 7 7 4 0 8qL 700 3 6 1A1 0 A’A ηL tA $A 印刷 4 4 円リハ om o 0 5255 5550 8179797m Q山 n o i s u f n rI e ft sa r u Ho on i us f n rI e t f Hoursa r e v i nL i h yw』t it v i t e A Ac s a p i phol s n Pho ni o i t a u t c u l . F .2 g i F d e v i v r u S J d e v i v r u S ♀合会 一 2叫 帥 ~ − qL 一一 n− 一 00一 YA 一 iノ 一 05000 yh 050000 55 .. .. ・ 0・Z 2・4 8 L40 0 4. d・日同一 4 7 1 一 、 1111 Ill −− ︵ てi 4 BW 一 . . . p 0 9 2 1 - 一I 350 I 一 白 ら, 0 8 2 1 I Survived 0 5 6 I 0 0 4 1 0 5 2 1 1050 l 0 −n ィヲ PAYA O一 一 一− 1 ・ d 1111111 a −− −− u − 一 一 n﹄ FAYA OA ’ ワu ∞叩∞印叩叩叩∞印日叩叩∞ r 一1 一一 一一 tρL一 −﹁ − ll 116 111 A 寸 mN ∞ 引割引 om EA ’ nunUAUnunVAV U n u n u ω− b U υ D F nunUAV −3 干 3630 4 mp ω 6− ρUF 050 1 ∞∞∞回日一明明明則一四 mm 一 印 ∞ 叩 叩∞∞ ! :ぱ 一 h uA 1 J干 3 7 3 3 7 7 3 7 7 7 7 3 3 7 7 ’ 一 ふ Bh 750 1 ー 0 5 3 1 一M . 8 20 ・ ・ ・ ・ ~ ・ i 1 2 1 。e , l e B 72 − ・ 4 2 ., 2450 1400 50 700 ; 3 O I 700 O O l 50 : l 3 700 I 700 1 23 内 350 0 5 7 1 一n 2 ヨ 川 崎 汚 渇 ワ 一m 456 7 890 2 31 日1 11 1 1 1 1 1 1 2 2 1 2 2 2 2 2 ; 一M U e u l n Va a Me s i it 一Dogswith AcutePancr回 t 一 一 一 l Animals o r t n ο ---- c ・ 2 亡 / 0 35 1 700 l100 一会 合 会 ♀ ♀ 会 合 会 合 会 合 会 合 合 会 会 合 会 合 会 ♀ 合 −− 一3 i 7 59 口 ノ ー 、 1750 700 50 0 1 I350 I o i 470 s i f 附 ) 1050 750 700 r 0 0 4 1 0 9 0 1 0 5 8 1 0 5 0 1 0 1 5 3 0 3 3 700 1500 1100 350 I 350 0 l100 0 5 4 1 0 0 4 1 0 2 1 1 0 5 0 1 780 2100 1100 1000 1050 2 1 Dog. S x e No. 2 1 e r o f e B s i it 田t r c n h AcutePa t swi g Do l Animals o r t n o C 、 、 ( ) j b ON ETIOLOGY ANDPATHOPHYSIOLOGY OF ACUTEPANCREATITIS 8 3 0 37.8 1 4 . 4 5 4 . 4 47.8 8 . 5 2 3 . 3 2 2 . 2 7.5 2 3 . 3 1 1 .0 1 2 . 0 1 4 . 0 1 0 8 . 8 2 5 5 . 5 2 2 . 2 7.8 4 6 .7 7.8 6 3 . 3 86.6 1 0 0 . 0 1 6 .7 1 4 . 5 7.8 5 3 . 3 1 1 5 .6 1 0 . 0 己4 . 4 3 8 . 9 53.3 1 4 . 0 1 5 . 6 4 6 .7 70.0 1 0 . 0 1 5 . 6 1 3 1 .1 2 3 . 3 2 3 . 3 3 8 . 9 5 4 . 4 8 5 .6 9.0 9 2 . 2 1 0 8 . 9 8.5 3 8 . 9 9 . 5 1 5 . 6 40.0 7.5 7.8 77.8 9.5 23.3 1 5 . 6 6 2 . 2 77.8 1 0 i .1I 4 6 .7 i 5 5 . 6 6 .7 7.8 4 9 8 . 9 9 2 . 2 1 4 .31 1 2 .2 f 0 S u r v i v e d 1 5 . 6 2 3 . 3 S u r v i v e d i 句 I 22.2¥ 1 5 . 6 6 .7 AU 1 s .2 7 . 8 1 7. . 11 ハU I 6 6 . 4 ny I つu n b nuJ qJ ny d F 、υ I75.oI ヴ 巧 , e 4 1 .2 一 2 3 . 3 3 Mean 9 4 . 4 QU 22.2 ♀合会 2 7 6 .7 − J ・ 叩 8 2 2 4 一 ﹁ 一 3 1 .1 7.5 1 7 . 1 1 6 8 . 9 6 2 . 2 7.2 7.5 1 0 . 0 6 1 .1 一吋一 dJ e︶ E 一 7.8 1 4 . 4 72 一山一 1 0 .0 1 2 . 0 / \ 一 40.0 4 8 山 6 .7 QU 7 . 8 1 2 wm 叫一 6 4 7 3 6 4 2 2 8 0 2 0 0 9 3 0 2 : 一 121722723315 : Tlh 合会合平♀合合会合会合会合会合会合会合会♀合 守 678901 2345678901234567 A 1 4 2 A 1 A 1ム 1 A 1 A 1 A 1 A 1 A つ白つ&つ白ワ&つ臼ワ u ヮ“ヮ u 1 4 . 0 1 4 . 5 6 TA B e f o r e I n f u s i o n ( k g ) Ill11111 Body Weight / + ETA 一一 −−一 Ar T Dog S e x No. ︶e − a− つIli −− u一 O一 n 一 ’ t\ 一 A唯 一 − qL一 n 一 一 O一一 ・ 1 一− 一 − uC3一 一 n− 一− 一 τi 一 。 。 一 一1 一 r 、 ρ 一一 t 一一 A T a b .3 . P h o s p h o l i p a s eA A c t i v i t y( u n i t s / c c )i nP o r t a lB l o o d Dogsw i t h AcuteP a n c r e a t i t i s S u r v i v e d 1 3 . 0 に J 」~ 250 ' " ) a l u e M田 nV Dogsw i t hAcuteP a n c r e a t i t i s ・C o n t r o l Animals 内 ' : : 200 , , υ ・ < t : 15 〈 ω ' "100 a 0 = 」 雪印 コ 」 仏 B e f o r e 12 . 旬 ‘ 主 ・ 4 72 B e , 。 , . 1 2 ・ 1 ‘ 主 Hoursa f t e rI n f u s i o n Hoursa f t e rI n f u s i o n F i g .3 . F l u c t u a t i o ni nP h o s p h o l i p a s eA A c t i v i t yi nP o r t a lB l o o d ・ 4 7 2 (昭和44年 1月 〉 巻 第 l号 日・外・宝 第38 84 h o s p h o l i p a s eA A c t i v i t y( u n i t s / c c )i nP e r i p h e r a lB l o o d T a b .4 . P Dogsw i t h AcuteP a n c r e 泡t it i s Be f o r 巴 I n f u s i o n 1 0 . 0 1 2 . 0 1 2 . 0 8 . 5 / . : : J 1 1 .0 1 4 . 5 1 0 . 0 1 4 . 0 1 0 .0 9.0 8.5 i 6 I 18 1 2 1 8 7 ' . ' . 』 ゎ7 5 4 .I 38.9 I S .6 24 2 4 . 1 125.5 32.2 2 4 . 1 30.0 37.8 3 1 .1 2 4. . j 3 1 .1 7.8 23.3 62.2 9 ' . ! .2 Li.6 3 1 .1 38.9 2 1 .1 1 8 .再 1 5 .6 l f i .7 6 1 9 1 54.4 3 8 . 9 62.2 23.3 I i i .7 3 1 .1 L 1 .I 1 1 .4 23.3 : ! 1 .3 3 1 .1 1 6 . 7 62.2 3 1 .1 3 8 . 9 62.2 70.0 38.9 ! . ) .6 62.2 S 1 . 4 3 1 .1 I i i .7 7 . 5 33.3 23.3 15.6 : 0 8 .9 9 . 5 . 1 6 .7 1 5 .I i 3 1 .1 . I i i .7 23.3 7.8 70.0 6 2 .2 I 3 1 .1 . H i .7 70.0 7.2 7.5 9 .5 。 7.5 1 0 . Mean 1 1 .o ・ 77.8 JU 8 8 8 6 合S 0 ホ 6♀ る 小 6 6 8 8 8 0 ao A f t e rI n f u s i o n〔 h o u r s ) 一− 1よ 寸 よ S ¥Vぞ1 g h t Ik gI 、 8 6 6 7 4 8 Q o l − −t 7 6 3 4 h h , ..... 5 n U. F. O. 47744653 4 5 5 7 5τム 1i1i1ょ1A1ょっμ1ょti1ょ 合会 ♀♀合 678901 2 3 4 5 6 7 8 9 0 1 2L3っ4 567 “つムつムリ−つ臼つ臼つゐ A1ム1 よ噌 I141ム1ょ1ム1ム1ょっ ao 1 1 .5 − Sex − a v 、 ‘ V 肥、幻一 i m u I H 4 7 3 6 4 2 2 8 0 2 0 0 9 1 0 2 1 R 2 24 円 4 1 5 l wy m 一 1111217227233157 u u n−−M 一 q u ‘﹁\↑ 、 Bod Dog No. ! . 1 5. I27.o I 41.6I- 」: i .6 C o n t r o l Animals ♀ 合 小O 123m j 1 4. . 1 2 . 0 7.8 7.0 1 5 . 6 I 1 1 .- n M 出0 7内 22.2 11 .1 . 2 4. ! . 7.8 1 5 .I i 7.8 30.0 22.2 h .7 15.0 1 3 . 3 1 8 . 9 2 2 .・ 2 1i.s Suni\・肝1 1 1. ! . 1 . J .l ・ 、 、 、 S u rl 、刊 0 i 行u rl e e l 1 6 .7 I10.-1 ノ ー 『 、 《 J と 250 ロ 、 ー ノ 乙 MeanValue -Dogs ' ' i t hA C l l t e P~ncreatitis --C o n t r o l Animals 200 ? ~ ~ ’て, 50 〈 包J 完 100 ( 〕 戸 ( 二 , 50 ι 4 一 戸 B e f o r e 1 2 18 2 4 48 72 B e f o r e 1 2 1 8 2 4 Hoursa f t e rI n f u s i o n Hoursa f t e rI n f o 日o n F i g .4 . F l u c t u a t ioni nP h o s p h o l i p a s eA A c t i v i t yi nP e r i p h e r a lBlood 48 7 2 υNETIOLOGYANDPATHOPHYSIOLOGYOFACUTEPANCREATITIS 85 d i u l 日 目 lF o t i r e ;P 1 )i c c s/ t i n u y( t i v i t c eA A s a p i l o h p s o h .5. P b a T is l i t a e r c hAcutePan t Dogs wi 2 1 s ii ~ : I: 8 t . ! : 7 560 720 560 680 り 4三 0 1 : 1 420 120 580 280 280 420 560 540 680 リ− 560 440 580 280 420 580 540 840 140 260 700 840 日~ o U ! . : 1 - 420 560 700 0 0 0 1 420 280 540 680 280 0 56 560 0 56 7UU 630 600 50 980 '.! ~り 1120 , 560 700 :υ . ! 4 n ↑ 一 関 一M 60 ヨ 1000 420 一 内 UnU U 円A υ2U un un8 AUnu AU HU Un 円 82 4 6n4 8 8 8U4 8un 2ハ リ8 η4 1 ム つ 6 1 A ワM 1 A A噌 つ 4 4 “4 −つM OL l っ 4 つ 67 52 42 32 22 0 12 91 81 71 61 51 41 31 21 11 6 7 8 9 01 一合 会 合 ♀ ♀ 合 合 合 会 合 合 会 会 合 会 合 会 合 会 合 ♀ 合 6 H ) s r n (hou o i s u f n rI e t f A d 、 ρ V V 陀b − 必 l 川8 2 ・ リ汀山一 6 4 7 3 6 4 2 2 8 0 2 0 0 9 3 0 2 17 227233 15 7 F41 5l n LU − 1 1 1 1 u 守A 1 n u s Su︵ x e i : : t h y 05000OPUPDO50000525555 ︶ σb σb 1 口 . 一4 4 0 2 2 4 8 7 1 4 0 4 0 9 8 7 7 9 7 9 7 0 k m 0 B恥 ︵ −1 1 1 1 1 1 1 1 1 1 1 1 Dog No. 270 460 480 770 y t i v i t c ea g a r e v ea h ,andt s i t i t a e r c n a ep t u c fa no o i t c u d o r ep h rt e t f da e s a e r c n yi t i v i t c eA a s a p , h t a e ed r o f e yb l e t a i d e m m di e n i m r e t e sd ,a l e v e el v i t a r e p o e r np a h rt e h g i sh e m i .9t s3 wasa l o r t n o nc . I .4 g i . 4 andF b a nT sshowni a - ににJ b eo db l u o nc o i t a u t c u l tf h g i l ys l n ,o s l a m i n a 、J 、、 . y t i v i t c eA a s a p i l o h p s o h np _ / 、 di e v r e s 、 y ー t i v i t c eAA s a p i l o h p s o h fP . Changes o 5 " 1000 : d i u l lF a e n o t i r e nP i u 〈 , < s i t i t a e r c n a ep t u c fa no o i t c u d o r ep h et r o f e B . ' ! " f u. 500 no o i t a n i m r e t e rd o df i u l ff eamounto t a u q e d a d c n u o ef tb o dn l ou yc t i v i t c eA a s a p i l o h p s o h p c . l . a t n e m i r e p 0. x f any e yo t i v a lc a e n o t i r e ep h nt i e J;:i.コ t u c fa no o i t c u d o r ep h rt e t f sa a e r e , wh s l a m i n a , 2 、 8 1 48 4 2 72 d l u o nc o i t a l u m u c c 山d a l yf d o o l sb i t i t a e r c n a p l l fa yo t i v a lc a e n o t i r e ep h nt di e v r e s b eo b n o i s u f n rI e ft sa r H今u - Fig.5. Fluctuation i i t c eA a s a p i l o h p s o h . P s l a m i n la a t n e m i r e p x e y t i v i t c eA A as p li pho s nPho o r ep h rt e t f sa r u o d6 h i u l lf a e n o t i r e np yi t i v d i u l 白 lF n o t i r e nP i ~ r ~ ~ a 也J f; ~ ) 巻 第 1号 (昭和44年 1月 日・外・宝 第 38 6 8 r e h g i yh l s u o i v b ,which was o e g a r e v ea h cont /c s it n s was 270 u i t i t a e r c n a ep t u c fa no o i t c du e‘ sd ca c s/ t i n 00u f6 yo t i v i t c ea g a r e v ea h ot d on t e s a e r c n ri he t r u tf , and i m u r e ns ni a h t . ig.5 nd F n Tab. 5 a s shown i ,a th a e de r o f e yb l e t a i d e m m di e n i m r e t 6. Summary eA s a p i l o h p s o h fp yo t i v i t c ra e igh , markedlyh s g o f normal d eo u s s i ct i t a e r c n a ep h nt I eA s a p i l o h p s o h fp yo t vi i t c . Thisa m u r e ns ri eo u s s i ic t t pa n he ni a h dt e v r e s b eo db l ou c ed c n u o n o r yp l r a l u c i t r a gp n i e yb c n e d n e ha t c u ,s s i t ti a e ypancr iar l i eb t u c ta da e s a e r c n ri e h t r u f f no o i t ua t c u l hf t i lw e l al r n pa . I s l a m i n la a t n e m i r e p x he e ft so d r i h n two t yi l e t a m i x o r p p a n di e s a e r c n oi s l ya t i v i t c se A a pa i phol s , pho s a e r c n a ep h nt i h t y wi t i v i t c eA a s pa i l o ph s pho e r c n a ep t u c ha t i sw g o nd di i u l ealf n o t i r e d andp o o l lb a r e h p i r e ,p e u s s i ct i t a p e ,h d o o l alb rt o p r a p , s e l p m a s e s e h t n i g n i d n a t s t u ro e h t a gr n i e ,b r e v , howe e s a re c n ei h ft to n e t x ee h ,t s ti i t a . e u s s i ct i t a e r c n a ep h nt han i ,t d o o l lb a t r o np yi l r la u c i t d n ya t i v i t c eA a s a p i l o h p s o h np ni o i t a u t c u l ef h p between t i h s n o i t a l e er h gt n i n r ce Con emore h r and t e i l r a ee h tt ha ncy t de n e e was a t er h ,t s g o ld ta n e eexperim h ft eo m i lt a v i v r u s e t u c fa no o i t c u d o r ep h rt e t f da e r a e p p ya t i v i t c e A.a s pa i ol h p s n pho ei s a e r c n ei h et ns te n i t a h dt e r e d i s n o twasc ly,i r a l icu t r a . P d e i sd l a m i n la a t imen r xpe ee h rt e i l r a ee h ,t s i t i at re c n a p e c n e u l f n ei g r a sa l a iverh el h ndt da o o l lb a t r o np tyi i v ti c .a eへ s a p i l o h p s o h np ei s a e r c n ei h t l a t n e m i r e p x 4e s was made, 1 i s y l a n , an a t c e p s e isr h nt . I s l a m i n ea h ft eo m i lt a v i v r u on s , 4 ,1 1 , 1 , 9 .7 o N ty ( i v ti c eAa s a p i l o h p s o h np ei s a e r c n ei s n e t n yi l r a l u c i t r a hp t i sw g o d y l r a fe so p u o r o two g t n di e d i v i ng d i e )b 7 , 26 and 2 5 ,2 4 ,2 1 ,2 0 ,2 9 ,1 8 ,1 6 , 1 5 1 h c i h nw ,i h t a e ed t a ,and l y r e g r u rs e t f sa r u o n ~4 h i h t i dw e i sd l a m i n ea h n which t ,i th dea e s a p i l o h p s o h ,p n Tab. 6 rsurgery.λs shown i e t f 4hours a n2 a h rt e t a dl e i sd l nima ea h t .9 f4 eo s a e r c n hshowed marked i t a e f remote d oup o e gr h nt di o o l lb a t r o np ty i ivi ct Aa ar e p o e r fp eo m i .5t ng 2 i r be e v i el h nt yi t i v i t c ea h ly t r la , simi l e v e el v i t a r e p o e r fp eso m i t s o h p n i e s a e r c n i e h t , h t a e d y l r a e f o p u o r g e h t n i , s g n i d n i ef h ot tt s a r t n o nc l I e. ev el v i t e h nt si e m i d and 4 t o o l lb a t r o np si e m i .4t e8 ob et s n e t n y was more i t i v i t c eA a s a p i l o h p . el ev el iv at r e p o e r hp t i ompared w sc ,a r ve i l 、 叶i 一 一 一一一 −m − 一 一 1 1 ¥ : i l 一 −一一 ’h 一 郎 一 一d m 川 町 l 一 一 一 −− −c は w O し − 一 町 一9 一5 一9 一 、 一 泡o dばー s 一 汀 一 民 担 問tE− 2 一 2 l 1 一 H 一 obE 也 1 − 一民 沢 川 町 凶 一 一 一一 l 円 四 μ一 nu∞ m 一砂山 r − 一 一 −− Ill 1 l i 1li − −LIli − 一 一 ︼ ! 一 一 7 一6 一 一 一 一 一5 一 o o 一9 l 1 一 一明 一臼一 一 一 7・ 川一 d 州陶 川 一 一 ρ ↑剛一一m 川別 脱却叫 ]口 O 一U一 ︵ 。 E 一 一 一 閃 一 L ・d dh 凶 e ・ MMα , り m d α 、、 叩 − b 悶川 川 0 7 6 ﹄ T . JIl −−一 mml 寸 8 . 9 6 PMM k m出 ! 一 一 一 一 − fqMmmo 一 一 一 一 一 一rod−問問↑ 7 一0 一4 一 2 一一 . 一 − 一 . 5 一 . 8 s 一戸田町川町一 2 ↑1. 一 一 一 一 hmp陀d M一 一 cri − 汀 e・l ∼ 一 ml 一 一 Hh 一 一 −11illit − 11 − 1I − 一 −lili il 寸 ll1111 − − u A ワU 1 一 一 ι − 一 一− − yd 1 eHdu 泊 一 一 一 一 川凶日 ︸ h 一︶ ︶ 一汀 一 一 X1 w m 吋 E 川 一α 一 山 伽印 一 ; 一 一一一 db 一︸↑ 日 d) e d u l c x .7e o gN o D 一 一一 3wf 3 . 3 1 l a e n o i t r Pe d i u l F 川 円u u ρ L 山一切 川一向日日 l a r e h p i r e P od o Bl U d o lo lB ta r o P n︸ 一 −白 − r ve i L A 一凶町 山一 L 一町一川れ一幻 s a e r c n a P dLm e m i lT a vl・ r u dS n iya vt i t c eA A s a p i l o h p s o h nP ei s a e r c n nI e e w t e pb i h ns o i t a l e . R b.6 a T i ' v t i tv i c eえ a s a p i l o h p s o h np ei s a e r c n ei l b a k r a m e hr t i 田 w s a 1c f1 yo r a m m u S ( 8 . 3 ON ETIOLOGY. . ¥l ¥ iU P. ¥THOPHYSIOLOGYOFACUTEP λ NCh . 'I 三\T lTIS 8 7 B . Influence o f Phospolipase A on Organism 1 . Influence o f Phospholipase A Administered i n t o Femoral Vein i n Dogs Underi n t r a v e n o u sa n e s t h e s i awithNembutali nd o g s ,1 0mgofphospholipaseA (protein e q u i v a l e n t ) ,e x t r a c t e d from bovine p a n c r e a s , per 1kg o f body weight was i n j e c t e di n t o t h e femoral v e i nt o g e t h e r with 25mg o f sodium deoxycholat e spending 3 m i n u t e s , and f l u c t u a t i o n si na r t e r i a l and p o r t a lp r e s s u r e s were i n v e s t i g a t e d . A r t e r i a lp r e s s u r e showed r a p i dd e c r e a s ea l r e a d yb e f o re t h e ending o ft h ei n j e c t i o no f p h o s p h o l i p a s e A, d e c r e a s i n g by 55 t o< 1 2mmHg, and reached 60 t o 川 mmHgwhen t he i n j e c t i o n ended. Thisd e c r e a s ei na r t e r i a lp r e s s u r ewastemporary without f a l l i n gi n t oshock s t a t e , andt h ep r e s s u r ei n c r ea s e ds h o r t l ya f t e rt h ei n j e c t i o n ,r e s t o ri ng almost t o normal l e v e l from 1 5t o2 0minutesl a t e r . However, t h ep r e s s u r ed i dn o tr e t u r nt ot h el e v e lb e f o ret h e i n j e c t i o n,a si n v e s t i g a t e df o r1 2 0minutes. Portalpressuredecreaseds l i g h t l y only by 6 t o 7mmH20even5minutesa f t e rt h ecommencemento ft h ei n j e c t i o n ,i n which p e r i o da r t e r i a l p r e s s u r e remarkably d e c r e a s e d . As shown i n Tab. 7 ,p o r t a lp r e s s u r e showed l i t t l ef l u ct u a t i o n during t h ei n v e s t i g a t i o nf o r1 20minutes. Experimental animals soonawokefrom t h ea n e s t h e s i a ,g r a d u a l l y doing w e l l . On t h e nextd a y ,noabnormality could b eobserved i nt h e s ea n i m a l s , with f a v o r a b l ea p p e t i t e . Fort h ec o n t r o ls t u d y ,25mg o f sodium deoxyTab.7. A r t e r i a la n dP o r t a lP r e s s u r e sa ft e rI n f us i o no fP h os p h o l i p as e. ¥i n toF e m o r a lVem A r t e r i a lP r e s s u r e Time ( m i n〕 E x p e r .Anima l s 、 ? B e f o r e 3 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 S u r v i va lTime ? 、 " ' ・ 1 -2 1 2 2 6 0 ~Ii 8 8 9 6 1 0 2 1 0 0 1 0 0 1 0 2 1 0 0 9 8 1 0 2 1 0 4 1 06 1 0 6 1 0 6 1 0 6 1 0 6 1 0 6 1 0 6 .一一. C on t r o lA n i m a l s i .No.1 3 P o r t a lP r 間 u r e E x p e r .A n i m a l s N o .l l N o .l l [ 叫 に C o n t r o l, ¥ n i n 1 : 1 b 4 2 IN o .l : 3 K u .l l 1 2 0 6 5 1 3 2 1 1 8 1 0 2 1 1 0 1 2 0 日5 72 1 3 0 1 3 0 1 ! : 8 1 3 0 1 3 2 1 : ) 2 1 3 2 1 3 2 1 3 0 1 3 2 1 ! : 8 1 3 0 1 3 0 1 3 0 1 3 0 L戸 ! 1 3 0 1 3 0 l : ! l 1 2 4 l ! : l 1 28 El 1 2 l 1 2 4 1 己4 1 2 6 e1 1 2 4 1 2 2 1 2 4 1 2 1 1 2 4 1 2 2 l : !I 1 2 2 ~r; 1 0 0 1 0 6 1 0 6 1 0 6 1 1 0 1 12 1 1 0 1 0 8 1 1 0 1 0 8 1 0 2 1 0 0 1 0 0 1 00 1 0 0 H l : ! 1 0 0 1 0 4 1 0 4 1 0 0 1 0 2 1 0 4 1 0 4 1 0 4 1 0 4 1 0 4 1 0 2 1 0 1 1 0 2 1 0 2 1 0 2 1 0 0 1 0 2 1 0 2 1 0 4 1 2 2 1 2 0 1 18 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 8 1 1 6 1 1 6 1 1 6 1 18 1 1 1 1 1 8 1 1 8 1 1 6 1 1 8 9 2 9 5 1 0 0 1 0 2 1 0 4 1 0 4 1 0 0 9 6 l α) 9 6 9 5 9 5 9 8 9 5 9 5 8 0 9 6 9 6 9 6 1 0 0 ~)ろ 1 0 0 1 0 2 1 0 l 1 0 6 1 0 4 1 0 6 1 0 6 1 0 5 1 0 4 1 0 4 1 0 4 S u r v i ¥e e l Sun・ i ・引 , l S u r v 1 叫 J …I I S u rv i v e d S u d Sun・ i H ' d ( I nd o g s λ’り −t : 3a n dl l.f o rc o n t r o l; , t u d y.s o d iumd e o x y c h o l a t eo f2 5mga l o n e¥ ¥ a si n f us e d. ) り2 9 5 S u r v i v e d ) 4年 1月 昭和4 巻 第 1号 ( 8 日・外・宝第 3 8 8 l a i ter n ar ni o i t a u t c u l ef l t t i nl ted i l u s e , which r n i e he femoral v ot t n di e t c e j n e was i t a l o h c 只 ・ n i v i ・ n , animals 札 1 s e r u s s e r talp r o and p l Vein a t r o oP t n e A Administered i s f Phospholipa eo c n e u l f n . I 三 n through i e lv a t r o ep h ot t n tedi c e j n fphospholipaseA wasi Ten mg/kg body weighto , s , spending 3minute n i e r mesenteric v o i r e p u es h ft o a branch o t n di e t r e s n l tube i y n i av s e r lp a t r o landp a i r e t r na si n o i t a u t c u l e above, and f h nt di e b i r c s e sd d dogs a e z i t e h t s e n na i . d e t a g i t s e v n s were i e sur , shown o i t c e j n eduring the i s odecrea e begant r u s s e r lp a i r e t r ,a ) i f none case (No・4 I t u o h t i , however, w d e s a e r c n t gradually i . I r e t a 4mmHg 45 minutes l f5 eo s a e r c e ng a d i n a h t was lower t , though i e ang o normal r ored almost t t s e , and r e t a t ks o shoc t n gi n i l l a f o e s a f e r c n . Portal pressure showed an i r e t a 0 minutes l 2 ,1 n o i t c e j n ei h et r o f e evel b el h t r o st e ,r e s a e r ,whichwasfollowedbygraduallyd巴c n o ti c je n 80mmH20 5minutes after the i n anothercase . I n Tab. 8 s shown i ,a n o i t c e j n ei h rt e t 0minutesaf 2 l1 e v e o normall ing t f so e s a ec h ot t y l r a l i m i s n o i t c e j n i e h t g n i r u d d e s a e r c e d y l d i p a r e r u s s e r p l a i r e t r ,a ) 7 (No・4 0rnmHg, when the injection t decreased by 6 , and i n i e e femoral v h n from t o ti ec j n ei h t r e ft sa W minute . ' ll e v e nl o i t c e j n i e r o the p ored t t s e o temporary and r s l ended. This was a n i e lV a t r o oP t n eA i s a p i l o h p s o h fP no o i s u f n rI e t f sa e r u s s e r lP a t dPor n la n r . . t . Ar .8 b a T e r u s s e r lP a t r o P e r u s s e r lP a i r e t r A l、! i n; r i n λ . r e Exp 1 1 1 1 1 1 1 Time1 s l a m i n rlA t n じ> l, , a n r i n ¥ . . r. e p x E け s l a m i n iA ni t n o C ,-1~Ei;可疋五疋石川0. 47-1石川 I~~ζ50 . .~ii 元二 11 N ) 可 | e r o f e B 0 2 1 I 山 6 0 1 11~ − 4 U M u, n h U ハ h zp A u n U ハu n u n u n u 0 2 1 可 ﹂ ・ : n r 2 h 戸 υa4 M 内O 0 1 1 2 1 1 1」 1 1l 1 5 1 1 18 1 0 2 1 0 2 1 0 2 1 8 1 1 ・ 2 9 8 0 1 8 ! : 1 0 1 1 0 2 1 8 0 6' 1 1 1 12 1 2 1 1 K O l ハNV ハ 6 9 5 2 1 5 2 1 2 2 1 1 2 1 5 I 2 1 l U 6 I 2 1 1 ! : l 5 2 1 6 2 1 5 2 1 5 2 1 2 2 1 1 : . ! l 2 2 1 2 2 1 4 I 2 1 2 I 2 1 AnununU パ 3Lυ A H 1 1 1 1 1 1 1 1 1τ 11 1 I QJnyQdA30d ︶ − 8 1 1 ') l" ハヨ 14 ' 1 2 1 1 0 1 1 − 0 0 1 0 1 1 0 2 1 I l l : l 8 1 2 I 1 3 1 L I : J 5 1 1 Bl 06 1 0 3 1 0 1 1 2 3 1 0 1 1 2 3 1 2 0 1 4 3 1 4 0 1 5 0 2 I 1 3 1 ソ H l l I . ' I i l Z : l 0 3 1 2 3 1 i 1己I Hリ ハ U n u q 4 G υ F O A法 0 6 0 7 0 8 i ' l 1- 5 2 1 0 2 1 5 2 1 0 2 1 5 2 1 6 0 1 8 8 4 8 ・ 10 1 8 0 1 0 1 1 0 8 1 5 7 1 5 6 1 p 0 0 1 5 5 6 2 1 I I nU −HOAU8ハU 1リv9 9 0 5 U l 1106 S I - 5 0 1 5 0 1 0 0 1 6 9 0 3 1 8 2 1 6 2 1 j f i ' : 8 ) l 2 1 リH 8 5 2I 1 3 1 l〕 α 8 5 1 ! . : ¥ : l 6 0 1 06 I 1 1 8 5 0 I 1 3 2 3 1 0 1 1 4 5 1 134 8 0 1 6 5 1 8 0 1 2 3 1 6 I 5 1 1 0 1 2 3 1 1 1. ' l 5 3 8 I 1 0 1 6 5 1 2 3 8) 1 0 1 4 5 1 2 3 1 0 1 1 0 5 1 6 0 1 0 3 1 J三 : l K ! . : l 8 0 1 0 5 1 8 0 1 0 3 1 0 5 1 i 100 I 90 凶 し け 必 品I !Oh no , 222 コ 1111 5 0 1 3 1 0 2 5 2 0 3 5 3 0 2 1 8 45 62 ・ 5 41 3 1 11 0 1 0 j 1 5 1 0 0, 5 1 1 5 5 0 1 1 0 8 0 1 1 i f J ' 7 0 1 5 0 1 5 9 3 04 1 6 0 1 6 0 1 r r i lT a v i v r u S lW 、 n 】g ~、,"·』'I. b 《 nd i 【l n ,a d e us f n si a ew l口n ga 5m f2 eo t a 口l 】 l c y x o e md u i 口d ,s 0 d5 n 8a "4 ' ' s子 口g ld o r t n o nc I 〔 ) . e t a l o h c y x o e md u i d o fs 5田go h2 t i gw /k g 0m f1 sn i 口s nad di e s u f n si a mw u r e s ONETIOLOGYANDl ' λTHOPHYSIOLCJG可 OFACUTEP:¥N仁l ¥ L ¥ T I T I S 8 9 t h ei n j e c t i o nw i t h o u tf a l l i n gi n t o shock s t a t e . P o r t a lp r e s s u r e showed l i t t l ef l u c t u t i o n ,a s . though with as l i g h ti n c r e a s eo f1 6mmH205minutesa f t e rt h ei n j e c t i o n . shown i n Tab. 8 A l lt h ee x p e r i m e n t a la n i m a l sl o o k e dt obeexhaustedand c o u l dn o ts t a n d on t h ef o o t , showing no a p p e t i t ea f t e r awoke from a n e s t h e s i a . These a n i m a l sd i e da b o u t 20 hours a f t e rt h ei n j e c t i o n ,a ョshowni n Tab. 1 1 . For t h ec o n t r o ls t u d y ,2 5mgo fsodiumd e o x y c h o l a t ewasi n j e c t e di n t ot h ep o r t a lv e i n , 0mg/kg body and l i t t l ef l u c t u a t i o nwaso b s e r v e di na r t e r i a l and p o r t a lp r e s s u r e s . ¥Vhen 1 5mg o f sodium deoxyweight o fb o v i n e serum was i n j e c t e di n t ot h ep o r t a lv e i n with 2 c h o l a t e ,a r t e r i a lp r e s s u r ei n c r e a s e d . However, c o n t r o la n i m a l sa l ls u r v i v e d ,a s shown i n . Tab. 8 3 . Influence o fP h o s p h o l i p a s e A Subcutaneously Administered 0mg o f sodium d e o x y c h o l a t e were s u b c u t a n e o u s l y Ten mg o fp h o s p h o l i p a s e A and 1 a d m i n i s t e r e di nt h e abdominal s i d eo fi n t r a v e n o u s l ya n e s t h e t i z e dd o g s , and a r t e r i a l and p o r t a lp r e s s u r e s were i n v e s t i g a t e d . There was l i t t l ef l u c t u a t i o ni na r t e r i a l and p o r t a lp r e s . s u r e s ,a s shown i n Tab. 9 For t h ec o n t r o ls t u d y ,1 0mg o f sodium d e o x y c h o l a t e wass i m i l a r l yi n j e c t e d ,andl i t t l e f l u c t u a t i o nc o u l d be o b s e r v e di na r t e r i a landp o r t a lp r e s s u r e s ,a l lt h ea n i m a l ss u r v i v i n gw e l l , a sshown i n Tab. 9 . T a b .9 .A r t e r i a la n dP o r t a ll ' r u r c 'a f t e rS u b c u t a n e o u sI n f u s i o no fP h o s p h o l i p a s eA 料、 A r t e r i ; i JP r 白s u r e ' P o r t a lP r e s s u r e T i m e(m川 N o .5 1 :> l o .5 21 - N o .5 3 B e f o r e 5 1 0 1 5 2 0 : ! 5 3 0 3 5 4 0 . t 5 5 0 5 5 6 0 7 0 8 0 9 0 1 0 0 1 1 0 1 2 0 S u r v i v a lT i m e 1 0 0 I 1 1 8 9 6 : 1 1 8 1 8 1 0 0 ! 1 1 0 2 1 1 6 9 8 1 1行 1 0 0 1 1 0 9 8 l : . ! O 己2 1 0 0 I 1 1 8 1 0 2 I 1 1 0 2 I 1 1 8 1 8 1 0 2 I 1 1 0 6 1 1 8 1 0 6 1 2 0 2 0 1 0 4 I 1 1 0 6 I 1 2 0 1 0 8 1 2 0 1 0 6 1 2 2 1 0 8 1 2 0 2 0 1 0 6 I 1 I I I ! I I I I I I 凶 1 2 2 1 2 2 1 2 0 1 2 2 1 2 2 1 2 0 L ! l 1 2 2 1 2 2 1 2 2 I 山 1 2 0 1 2 0 1 2 2 1 2 2 1 川 コ 2 1 1 2 2 INo.5 1 1 2 0 1 2 0 1 2 0 1 2 0 l 己 ! . : 1 2 0 1 1 8 1 2 0 1 2 0 1 1 8 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 > l o .5 1 g o N o .5 : 2 I り ; 9 6 9 6 1 0 0 9 8 9 8 9 8 9 1 I i I ' I i i 叫 り わ 9 6 ' J I ) り1 I N o ,5 3 N C J .5』 1 1 0 1 0 0 , 1 2 0 1 1 2 1 0 8 ! 1 1 8 1 1 0 1 0 6 I 1 2 0 1 1 0 1 0 8 1 1 6 1 1 0 1 0 8 1 1 6 1 1 0 ' 1 0 8 1 1 1 1 0 8 I J i l l i 1 1 l 1 1 0 I 1 0 8 I 1 1 2 1 1 0 1 0 6 1 0 8 1 1 2 1 0 6 1 0 8 1 1 2 I 1 0 6 I 1 1 0 1 1 2 I 1 0 6 I 1 1 0 1 1 2 1 0 6 1 0 8 1 1 0 I 1 0 6 I 1 0 8 1 1 2 i 1 0 4 1 0 8 j 川 山 | 山 川 9 6 り1 ' J . J 1 1 4 1 1 4 1 1 4 … u r v i v e d [S u r v i v e d !s S u r v i v e d !S II nc o n t r o ld o g sN o .5 3a n d5, l1 0m go fs o d i u md e o x y c h o l a t ea l o n ew凶 i n f u s 巴d . ) 1 0 4 1 0 l l l l i i I 1 1 0 1 1 0 1 0 8 I 、 e d [S u r v i v e d S u r v i ︶ ︵ リ 日 ・ 外 ・ 宝 山 討 を 第 1号 ( 昭 和4 4年 1月 〉 ・ L Influence o f Phospholipase A Infused i n t oR e t r o p e r i t o n e a l Space Following t h et r y p s i ni n f u s i o n experiment o f NAKGAwA5 9 > , 5mg o r1 0mg o fp h o s p h o l i p a s e 人 wasi n f u s e di n t ot h er e t r o p e r i t o n e a lspace o fa n e s t h e t i z e dd o g s , with r e s p e c t i v e l yt h e same amount o f sodium d e o x y c h o l a t e , and a r t e r i a l and p o r t a lp r e s s u r e s were i n v e s t i g a t e d . o' . 2 4mmHg immediately a f t e rt h ei n f u s i o n ,b u ti t A r t e r i a lp r e s s u r ei n c r e a s e d by 8 t 0t o4 0mmHg 30 t o5 0 minutes decreased a t once and i n some c a s e si t decreased by 3 a f t e rt h ei n f u s i o n , which was, however, a l s ot r a n s i e n t and soon r e s t o r e dt o normal l e v e l without f a l l i n gi n t o shock s t a t ea si n v e s t i g a t e df o r1 20minutes. Portal pressure increased by 1 7t o3 0mmH20 5 minutes a f t e rt h ei n f u s i o n , and soon returned t ot h el e v e lb e f o r e 0 . The experimental animals looked t h ei n f u s i o n withl i t t l ef l u c t u a t i o n ,a sshowni nTab. 1 t o be exhausted when awoke, and 2 c a s e so u to f 3 died about 2 0 hours a f t e rt h ei n f u s i o n ,e x c e p tas i n g l ec a s e whichr e c e i v e dr e t r o p e r i t o n e a li n f u s i o no f1 0mgof phospholipase A, a s shown i n Tab. 1 1 . For t h ec o n t r o ls t u d y , 5mg o r2 5mg o f sodiumdeoxycholateo rs a l i n es o l u t i o na l o n e T a b .1 0 . λ r t e r i "Ia n dP o r t a lP r e s s u r e sa I t e rI n f u日o no fP h o s p h o l i p a s eA i n t oH . e t r o p e r i t o n 田 l S p a s e A r t e r i a lP r e s s u r e Time( m i n ) B e f o r e 3 l s [ _ ~~o~_ii-oI竺円二 I I I I :山山! qr ︼ ー υ ハ リ ・ 噌 AHU 内ノ“ A ︶ ︷ー 1A 1 OO ハU ・ ny o o 、 ﹁ F h u υ hH 11η4 つ U 叫 A t jムH nJH1J ハ U ハ U qL ん つ 21 1よ 1 1 1よ よ ハ U 1 ム つ リ ︼ ハV O O 唱EA ηノ“ 噌目ム nFIM nHU ム ー パ 只 ul 14 −−ム 11 円U リ ︼ 円U h 戸d FJFD 噌 円 U n u 1 8 1 5 5i1 1 5 5I1 1 8 つd 噌 円 U 1ょ y− リ ︼ 9 8: 1 0 2I 1 0 4I リh 9 6 1 0 4 0 6 ' I : ! 1 りI i 1 0 4I ハ U I I1A 11ム 寸よ唱 i 1 4 i Tム 守 i 寸 ︶︸ ︸t l t︸f y ム つ リ,︼ハソ︼リω4i O O Q u n凸 ハ ソ “ − つ 内 ︽ 4 リl n4η4 1 4 1 i 1よ 寸 よ 11111 A 2 2422 つ旬つ&つ釘 q4 −リ − リ − 1 ・ 060D nU0644 U4k 44τqu つJ η J q u A1よ yム 1よ 1i 唱 つ白内 u 凡 nu 2 2 0 qリつ d ηJqυ J lI Il − −B A 1ょ τi 1 つ&ワム M y − phU0006 υ 凡 ハ リ ハU 1ょ 1ょ 1ム 、 、 I v i v e dI v耐 , v i v e d le e l h r s . Iv附 I QJQd QJ − HJ 、 1 唱EA nU ム 4t ハ リ “ ヮ司i 司自由& qd ハ u 噌1A η’h ハU り Ih r s .1 i v e d h店 η4 ハリ ハU h 1ょ A 1ょ ︾︶ ll 。 唱 守BA 内ノu qL OO ー “ ’ つ ー ソ − 1 晶 iA 司 1 2 6I 1 1 : ! l ' . ! 1 1 1 0' 1 三i 1 2 6 1 1 0I 汚u r Time ハU 唱EA 1A U00 1:.~ () 1 2 2 1 1 8 3ρhvP0 − 7 − J︼つ臼 111 i 唱 A生 ハ 8 0 9 0 1 0 0 1 1 0 1 2 0 I 山 I −− ん つ− 6 0 70 I 1 3 0 1 2 0I 凶: J:J~ llK I g o1 s s 1 4 5! 1 1 6 1 4 2 1 3 8I 1 1 0 1 1 8 0 5 2 0! 1 1 4 2 1 3 2I 1 4 0 1 け り 1 1 8 1 2 6 1 3 3' 1 4 0 1 1 2I 9 5 1 2 8I 1 2 0I 1 0 0I 1 0 9 1 0 4 1 1 6 9 2 9 5 Z! 1 0 8 1 1 2 1 1 3 0 8 8 9 5i 1 0 2I 1 0 6I 1 f i己 1 2 2 1 2 0 1 1 0' 1 1 ' . ! 'lb 9 5 1 2 8 1 0 8 リh 1 3 0' 1 0 2 1 1 : ! 0 0 1 1 8 1 2 8' 1 3 0 1 ー リ 1 2 6 1 2 : ! 1 1 6 9 8! 9 8I 1 0 8! 1 6 0・1 1 6 1 0 0 1 己3 C JI 9 8 111 9 6 8'1 1 8 l : ! 悼 1 3 2 1 0 2 1 : ! 5 9 9 4 9 5I 1 0 2I 11~ 1 6 5I1 1 8 ] ( ) ! ' ¥ 1 2 5 りh 1 1 0 1 2 5 1 3 0' 1 3 0 9 8I 1 0 0 1 1 0 1 6 5i 118 1 3 2: 1 3 4I l ' . ! i 1 2 8 ' I l l l C DI 1 0 4: 1 5 5I1 1 6 1 6 0 1 2 0 1 1 5 1 1 0 1 0 6 9 8 9 6 ' 9 8 4 斗 晶 、MU 55 . 凶 川 ハU H 5 0 ー : 戸 川n C o n t r o l 111哨 i I I i s . N《 〕 州 { } 江 I . N o .3 2 j N o .: n N o .川"・ : a a 匂 ゐ つ 」 ろ 竺 E x p e r .A n _ i m a l s : 1A a A 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 P o r t a lP r e s s u r e hrs. 、l、tてl 、l、eel 、l、'~. ( I ne r 】 o t r o ld 口g sN o .: na n d3 2’5CC o fs a l i n es o l u t i o na l o n ew a si n f u s e d’a n di nd o g sN o .3 3a n d3 4 ,r e s p e c t i v e l y5m ga n d2 5m go fs o d i u mc l e o x y c h o l a t ea l o n ew a si n f u s e d . ) HOI'HY吋IυLOCYOFACUTEPANCREATITIS 、 λ’l DP N ¥ : υN"TIUL<X;¥ . 川 p 1 l o h p , , . i J fP no n i 1, 1 f 1 1 . l 1 .1 b a T 主 d ε s u f n I s g o .D r e p . > E 、 Findmgs 、 p Auv1 ! −3 ︿ 5 1 rE1 nh e 5 掛 F pb・ 5 2 r P e v i L と'、 ・ r c 1 1 1 . ミ 3 6 』| auhH A 司 o t n ni o i s u f n I l a e n o t i r e p o r t e R e c a p S U E 一平合 phv 一 qO 6 一6 7 40 o t n ni o i s u f n I n i e lV a t r o P < l t、 F 臥 h 町 ) ’ リー ト l a v i " ¥ r 、 . 出T1 d So ・ IT 昨 トm el H光JnE R Eめ v P d Bo ト " ' 口 ., h 悶 < p lS a e n o t i r e p o r t e rR no ei lV a oれげ t t n i u o h 川ー i r t Ji 口"~ A ! υe• J i : 'SexiWe 巧 ; e t a l o h ) 'mgJ 'c g k ( ) I 略 ( 8 5 I1 2 i f i l J 1 9 y d o o l b c c 0 .3 a c 一 I _ I21 c c 0 a.3 c dy o o l b c c 0 .3 a c c e t e P i u d n II n o i t a r Ib y d o o l 1 「 ぞ !t a l ♀| 91 ド kI . . , 川 l a i h c e t e P I y d o o l b c c 0 .3 a c I ) . n o i us f n ri e t f eka d1日 e e c i f i r c a ss a 8w .3 o gN o D ( . d e r u s a e s were m e r u s s e r lp a t r o l and p a i r e t r eanda c a p ls a e n o t i r e p o r t e er h ot t n di e s u f n was i n o i s u f n i e h t r e t f a e r u s s e r p l a i r e t r a n i e s a e r c n i t h g i l s t p e c x e d e v r e s b n was o o i t a u t c u l ef l t t i L . l l e dw e v i v r u ss l a m i n ea h lt l , and a e t a l o h c y x o e f sodium d o . Summary 5 e s a e r c e , temporary and marked d y l s u o n e v a r t n di e t c e j n e A was i s a p i l o h p s o h When p t from n e r e f f i ,d d n a rh e h t eo h . On t s l a m i n ea h lt l na ei r u s s e r lp a i r e t r na di e v r e s b was o d e t l u s e nr i e lv a t r o ep h ot t n ni o i t c e j n ei h ,t n i e lv a r o m e ef h ot t n ni o i t c e j n si u o n e v a r t n ei h t d e k r a m f o e c n e u l f n i e h t n e h w , n o i t c e j n ei h rt e t 0 hours af t2 u o b sa l a m i n ea h ft ho t a e nd i d e t e r p r e t n g was i n i d n i . This f d e ar e p p a s i o have d e seemed t r u s s e r lp a i r e t r na ei s a e r c e d o t n di e s u f n yi l t c e r i eA d s a p i l o h p s o h fp eo c n e u l f n gi n o r t es h ot r was exposed t e v i el h tt a h t f o c c 0 3 y l e t a m i x o r p p fa no o i t a l u m u c c d an a e l a e v e gr n i d n i n. Autopsy f i e lv a t r o ep h t r which was dark brown e v i el h nt , andmarkedchangewasfoundi d i u l lf a e n o t i r e yp d o o l b eimpairment s n e t n gi n i t s e g g u s , s s e n i s s o l g l a m r o n b a n a h t i w d n a n e e r g t h g i l f o t n i t a h t i w r a l u g e r r n and i o i t s e g n o dedema, c e l a e v e or s l ra e v i el h ft go n i d n i cf i g o l o t s i . H n a g r eo h ft o n a ep h nt eobserved i th o dn l u o t change c n a c i f i n g i . S s d r o lc l e cc i t a p e fh rrangement o a . r e h t t and o r a e ,h y e n d i ,k s a e r c s u o n e v a r t n ei h nt si ,a d e v r e s b to o ewasn r u s s e r lp a i r e t r na ei s a e r Such a profound dec l a e n o t i r e p o r t e er h ot t n ri yo l s u o e n a t u c b u ds e t c e j n twasi eA,wheni s a p i l o h p s o h fp no o i t c e j n i e r u s s e r p l a t r o P . y l e v i t c e l f e r r e h t a dr e s a e r c n ei r u s s e r lp a i r e t r ea s a rc e t t a el h nt , and i e c a p s n o i t a u t c u l . These f e c a p ls a e n o t i r e p o r t e er h ot t n ni o i s u f n ei h rt e t f da e s a e r c n yi l t h g i l os s l a . Neverl a h t e el ob eaccepted t tb o , however,cann n o i s u f n ei h rt e t f 0minutes a 2 n1 i h t i w f phos no o i s u f n li a e n o t i r e p o r t e er h rt e t f 0 hours a t2 u o b da e i f 3d to u so e s a , 2c s s e l e h t a i h c e t e ,p d i u l lf a e n o t i r e yp d o o l fb co 0c f3 . At autopsy,beside accumulationo eA s a p i l o h p . n o i s u f n i e h t f o e t i s e h t o t g n i d n o p s e r r o c e c a p s l a e n o t i r e p o r t e r e h nt e observed i dh l u o c e th o dn l u o , marked change c s r e h t t and o r a e ,h y e n d i ,k s a e r c n a ,p iver el h nt However, i f eo r u s s e r lp a i r e t r elower a l t t i rshowed a l o v i v r u es l g n i . S s i s o r c e yn t t a tf u o h t i ,w d e v r e s b o 目 日・外・宝 > _ . q' ~\1 号 ~"\’i点 Zi' ) 1年 1月 1 11 H J { I 1 f yo s p o t u , and a n o i s u f n he i rt e t f f 70mmH20 1 week a re o u s s e r lp a t r o nd p り0mmHg a o t n eA i s a p i l o h p s o h n of p o i s u f n ei h ft eo t i es h nt ni o i t a r u d n y an i l n do e l a e v e s animalr i h t erved without marked change s b yo l d r a d was h i u l alf ne o t i r e e and p c a p ls a e n o t ri e p o r t e er h t . n a g r so u o ri i , ・ e¥ h nt i e人 s a p i l o h p s f Pho on o i us f n f AcutεPancreatitis Produced by I . Finding o C s o h fP kg Body Weight o c’ .08c f0 on o i us f n rI e t f sa i t i t a e f Acute Pancr ing o d n . Fi 1 t c u D c i t a o Pancre t n eA i s pa i l o h p e main h ot t n di e s u f n e A was i s a f phospholip c kg body weight) o .08c a.0 c c( 0.5c 6kg. ddog weighing 6. e z i t e h t s e n na ium deoxycholatei d o fs !.5mg o . t with ' c duc i t a e r c n a p s i s o r c e yn t t a sf t ,i s a e r c n a he p ft tedemao h g i l . S r e t a rsl !hou ! . The abdomen was opened' t u b , d e v r e s b o e r e w d i u l al f tone i f bloody per t degree and smal amount o s te igh l es h ft o , d e v i v r u nimals 己 a h s,and t a e pancre h nt erved i s b t be o o dn l u o sc i s o r c e rn hemorrhage o . 2 .1 b 1 , nT s shown i a s o h fP to h g i アe \ 培 Body \ /I c .3c f0 no o i s u f n じr I t f 1 s ; i t i t a e r c n f Acute Pa ng o i d n 己 Fi c Duct i t a e o Pancr t n ¥i . e, s a p i l o h p eA s pa i l o ph s t of pho c/kg body weigh .3c ,0 s g o fd c ducto i t a e r e main panc h ot t n I e were t a l o h c y x o e odium d ) ofs . ¥ e: as p i l o h sp f pho co .りc 5mg per 1 0mg ( and about 1 e g ha r , edema, hemor s e s . In al ca r e at e abdomen was opened 24 hours l h , and t ed us nf i i r e p f bloody ccumulation o ,a . However s a e r c n a he p nt di ve r e s b s were o i s o r c e yn tt a and f r e th ,o is t i n o t i r e fp opment o edevel h e animal with t l g n i . Except a s t h g i d was 只l i u l lf ea n o t . U. b n Ta si ,a d e v i v r u ss animal i u q he e e was mixed with t l i f autogenousb co .8c ,0 e t a hol f sodium deoxyc do :1 ;k 1 1 l c i t a e r e main panc h ot t n di e us f n si l〕引で wa e A mentioned a s pa i l o h p s o h fp to n t amou n e l a v ¥ e. s a p i ol h p s o h fP no o i us f n yI sb i t i 回 t r c n a eP t u c fA to n opme l e v Tab.12. De s g .Do er p Ex :r~~~1~:一 忠t ; ; { , − R . I ~』') o 口g I ,,~~·~ho~ふ l お1 , 、6 h~ ) g m ( cc) < I . .s_ o ,_i I I | !()()内 I とり s I( . . JI g k / c c 3 . 0 .o 0 1 ! : i I . i .0 0 1 2u ・ sI I( g1 k c/ c .3 0 1 3 . 2 .2 0 g1i 1 k e/ c .i l C .5 f 7 6 . 3 2 7_ l ~. O g1 k c/ り三c '1 ’ : .l ' ) l 2 0. 1 川 6 5 ! i8 . I 8 5 8 . 1 1 alTime v vi r u S 卜 l r yPe d o o Bl t i a F d ve i v r u S 0 9 、 i) t l<川 i n e P r d e iv v ur S 土 士 + + 土 + + 土 一 |+ 土 土 土 引l v i v ur S | + + + 土 0 3 + d e v i rv Su | ー 8! , 0. ( .) 0 1 cJ c .O 2 ( I 8 . 9 e1 c J If 1 i + ! 件 ! + I+ + |土 d e v vi r u S ) .( 3 1 d e v i v r u S J c c i .f ! : 1 8 . 0 + > 4i ! + + 土+ 5 0. 1 '+ + 一 一 ! 一 一 - , eI g a h a 'r m cc' I e ' 川市 ) は g;i k e/ e ' . .J 0 ( ∼ 1 1 士 一土 + .2 i f ' 一一 Chang田 土+ 7 5 3.1 I 5 2. g1 k / c c 日l 5 6 c i t a e r c n a P d e us f n I 一一一 一一 一一←一 − d ve i v r u S d e v i v r u S d e v i v r u S ATITIS E : . l 'C ¥ ;Y OFACUTEPA! < U りL THOPHYSI DPへ ¥ O N ETIOLOGY A' り3 fsodium so e s a ec h ht t i . Compared w r e t a sl r u o d 24 h e n e p . The abdomen was o t c u d y d o o l fb no o i t a l u m u c c ha t i sw a e r c n a ep h nt di e v r e s b , marked edema was o e t a l o h c y x o e d e e r g e h ad c u fs so i s o r c e yn t t a . Hemorrhageandf t n u o m na ti h g i l hs g u o h ,t d i u l lf a e n o t i r e p l l sa l a m i n la a t n e m i r e p x . However, e s a e r c n a ep h nt di e v r e s b e were o v o b da e n o i t n e sm a 三 . .1 b a nT ssummarized i ,a d e v i v r u s s o h fP kg Body Weight o c/ .5c f0 no o i s u f n rI e t f sa i t i t a e r c n a fAcute P go n i d n i .F 3 c Duct i t a e r c n a oP t n eA i s a p i l o h p eA s a p i l o h p s o h fp to h g i e c/kg body w .5c ,0 s g o fd to c u cd i t a e r c n a emain p h ot t n I s r u o d 24h e n e p eabdomen waso h , and t d e s u f n ewerei t a l o h c y x o e fsodium d 8mg o d1 n a . s i s o r c e yn t t a hf t i sw a e r c n a ep h nt di e v r e s b . Marked edema and hemorrhage wereo r e t a l s l a m i n la a t n e m i r e p x . E l l a m rs e h t a d was r i u l lf a e n o t i r e yp d o o l fb e amount o h However,t e A. s a p i l o h p s o h fp no o i s u f n ei h rt e t f sa r u o d 30h e i d y d u t lS o r t n o .C 4 evolume h et ob st oa rs e f f u eb t a h p s o h np di e v l o s s i ewasd n o l ea t a l o h c y x o e Sodiumd . Theabdomen was t c u cd i t a e r c n a emain p h ot t n di e s u f n t andi h g i e kg body w c/ .3c f0 o t s e t h g i l es h ft so i s o r c e yn t t a s andf a e r c n a ep h nt t edema i h g i l . S r e t a sl r u o d 24 h e n e p o s e g n a h c e h t , d e v r e s b to o t hemorrhage was n u ,b s e s a nsomec di e v r e s b eo db l u o ec e r g e d , r e v e w o ,h e s a n 1c . Onlyi 2 .1 b a nT sshown i ,a t h g i l ys l e m e r t x ge n i e sb a e r c n a ep h ft o . d e v r e s b eo db l u o dc i u l lf a e n o t i r e yp d o o l fb l amount o l a m s e main h ot t n di e s u f n e wasi n o l ta h g i e g body w k / c .08c f0 eo l i sb u o n e g o t u Whena f t edema o h g i l ds e l a e v e nr o i s u f n ei h rt e t f sa r u o g 24 h n i d n i yf m o t o r a p a ,l t c u cd i t a e r c n a p f l amount o l a m ys l e m e r t x e and e e r g e td s e t h g i l es h ft so i s o r c e yn t t a sf t ,i s a e r c n a ep h t s a e r c n a ep h ft so e g n a h ec h ,t d e v r e s b eo tb o dn l u o themorrhagec u ,b d i u l lf a e n o t i r e yp d o o l b . 2 .1 b a nT sshown i ,a d l i gm n i e b e main h ot t n di e s u f n e was i n o l ta h g i e kg bodyw c/ 5c f 0. eo l i sb u o n e g o t u When a c and a s i s o r c e yn t t a sf t ,i s a e r c n a ep h nt , marked edema and hemorrhagei t c u cd i t a e r c n a p . 2 .1 b a nT si ,a r e t a sl r u o , 24 h d e v r e s b eo db l u o dc i u l lf a e n o t i r e yp d o o l fb no o i t a l u m u c . d e v i v r u ys d u t ls o r t n o s which underwentc l a m i n ea h ft lo l A . Summary 5 t c u cd i t a e r c n a emainp h ot t n di e s u f n eA wasi s a p i l o h p s o h fp samount o u o i r a Whenv o s wast a e r c n a ep h ft so e g n a h ,c e t a l o h c y x o e , sodium d r o t a v i t c sa t hi t i rw e h t e g o st g o fd o s i s o r c e yn t t a ,f e r o m r e h t r u d. F e s u f n eA i s a p i l o h p s o h fp so i s o ed h g on t n i d n e p e ed s r e v i ed b e s a p i l o h p s o h fp eo l o tr n a t r o p m ni ga n i t s e g g u ,s e m i e same t h tt da e v r e s b wascommonly o n ei s o h ht t i gw n i d n i ef s e h . Tocomparet s i t i t a e r c n a ep t u c fa so s e c o r cp i g o l o i t ee h nt Ai s was more a e r c n a ep h nt , hemorrhagei e l i sb u o n e g o t u d by a e c u d o r sp i t i t a e r c n a ep t u c a , when d i u l lf a e n o t i r e yp d o o l fb samounto s e hl t i rw e d l i gm n i e cedema b i t a e r c n a ,p e s n e t n i . t c u cd i t a e r c n a ep h ot t n di e s u f n eA wasi s a p i l o h p s o h p eA s a p i l o h p s o h ,p e t a l o h c y x o e f sodium d do a e t s n e was mixed i l i sb u o n e g o t u When a s o h eon p l i fb to c e f f ne o i t a v i t c ga n o r t gas n i t s e g g u ,s e s n e t n s weremore i e g n a h ,c r o t a v i t c a y d o o l d by b e i n a p m o c c ga n i e ,b g n i d n a t s t u yo l r a l u c i t r a cedemawasp i t a e r c n a . P eA s a p i l o h p h nwhic ,i 9 .5 o fdogN eo s o h dt e l b m e s e sr e g n a h . Thesec 6 ndogNo.6 si ,a d i u l lf a e n o t i r e p twas . Althoughi t c u cd i t a e r c n a emainp h ot t n di e s u f n ewasi l i sb u o n e g o t u fa eamounto g r a l e A and s a p i l o h p s o h fp no o i s u f n d by i e c u d o r ep nb a sc i t i t a e r c n a ep t u c ta a h dt e n i a t r e c s a n a h rt e s n e t n yi l r a l u c i t r a ep sb e g n a h ec h tt o rn ro e h t e h dw e i f i r a l tc o t was n ,i r o t a v i t c sa t i 9 . ( 日 ・ 外 ・ 宝 第3 自主主第 l日 ( 1 1 ! 3 t l l 4l 年 1月 ) when a u t o g e n o u sb i l ei su s e d , and whethero rn o ta c u t ep a n c r e a t i t i sc a nb ep r o d u c e dw i t h 品入, i nt h ep r e s e n te x p e r i m e n t . When e x t r e m e l y e x t r e m e l ys m a l l amount o fp h o s p h o l i p 臼 which d e s e r v et h e term o fa c u t e s m a l l amount o fp h o s p h o l i p a s e. ; . was u s e d , chang p a n c r e a t i t i sc o u l dn o tb ep r o d u c e d . Hence, i ti s presumed t h a tp h o s p h o l i p a s eA d o e sn o t p a r t i c i p a t ee x c l u s i n : l yc h e m i c a l l yi nt h ee t i o l o g i cp r o c e s so fa c u t ep a n c r e a t i t i s ,b u tp h o s p h o l i p a s eえ c a nprodu 町 a c u t ep a n c r e a t i t i sw i t ht h ea i do fm e c h a n i c a lf a c t o r ,a sa u t o g e n o u s b i l ed o c s . I V . DISCUSSION P r i n c i p l eo fp a t h o p h y s i o l o ε yo fa c u t ep a n c r e a t i t i s can b ed e e r n c dt oc o n s i s ti nt h e p r o c e s so fa c t i v a t i o no fp a n c r e a t i c enzvmes and c h e m i c a la u t o l y s i sc a u s e d by i n t e r s t i t i a l e m i g r a t i o no ft h ee n z y m e s . I n1 8 ( i 8 ,KLEES p o i n t e do u tt h ei m p o r t a n tr o l eo fp a n c r e a t i c enzymes i nt h ee t i o l o g yo fa c u t ep a n c r e a t i t i sf o rt h ef i r s tt i m e . I nt h ee a r l yd a y so ft h i s c e n t u r y ,0 P I E 6 8 l and OPIEand ME¥ K I N S 6 9 ls u p p o r t e dt h i st h e o r y from t h e i rs t u d i e so n r e g u r g i t a t i o no fb i l ei n t ot h ep a n c r e a s . S i n c et h e n ,p a n c r e a t i cenzymes have b e e nv a r i o u s l y h ev i e w p o i n to fi t sc l o s er e l a t i o n s h i pt oa c u tぞ p a n c r e a t i t i s . s t u d i e d bymanyresearcher~ fromt I np a n c r e a t i ce n z y m e s ,a m y l o l y t i c ,l i p o l y t i c ,p r o t e o l y t i c and n u c l e o l y t i c enzymesa n d e s t e r a s ea r ec o n t a i n e d 9 7 l . These enzymes e x i s ti n an i n a c t i v a t e ds t a t ew i t h i nt h ep a n c r e a s , and u s u a l l ya c t i\叫e di nt h ei n t e s t i n et oe x e r tt h e i rd i g e s t i v ε e f f e c t . I ft h e s e enzymesa r e a c t i v a t e d by some c a u s e sw i t h i nt h ep a n c r e a s and e m i g r a t ei n t ot h ei n t e r s t i t i a lt i s s u eo f t h eo r g a n ,i te n c o u n t e r sv a r i o u sd i s o r d e r ss u c ha s edema, hemorrhage and m ・ c r c同 i so ft h e p a n c r巴a sand f a t t y ne じれ J ' i i si nt h es u r r o u n d i n gt i . ; s u L S . B e s i d l 't h e s et o p i c a ld i s o r d e r s ,s u c h sd c c r c : 1 s ci na r t e r i a lp r e s s u r eandshocks t a t l 'w i t ha c c u m u l a t i o no fb l o o d y g e n e r a ld i s o rぬれ a p e r i t o n e a lf l u i d were o b s e r v e d , and t h e s ec o n s t i t u t e dc h a r a c t e r i s t i cc l i n i c a lp i c t u r eo fa c u t e p a n c r e a t i t i s . I ti sg e n e r a l l ya c c e p t e dt h a ta m y l o l y t i c enzyme m a n i f e s t sl i t t l et o x i c i t yo n o r g a n i s m ,: i n di t sb e h a v i o ri na c u t ep a n c r e a t i t i si se x t e n s i v e l yi n v e s t i g a t e d . I ti sw i d e l y known t h a tt h ed e t e r m i n a t i o no ft h i s enzyme e m i g r a t e di n t ob l o o ds t r e a mh a sd i a g n o s t i c v a l u e . P r o t e o l y t i c enzyme h a st h e most i n t e n s et o x i c i t y ,b e i n gt h ee s s e n t i a lf a c t o ri np a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s . Concerning i t sb e h a v i o ri na c u t ep a n c r e a t i t i s ,h o w e v e r , o p i n i o n s do n o t come t oc o n s e n s u s ,p a r t l y owing t ot h ed i f f i c u l t yo ft h ed e t e c t i o no ft h i s enzyme c a u s e d by t h ee x i s t e n c eo fi t si n h i b i t o r . Among l i p o l y t i c enzymes, serum l i p a s e a c t i v i t yi n c r e a s e sa ta c u t ep a n c r e a t i t i s and i t sd i a g n o s t i cv a l u eh a sb e e na c c e p t e d ,b u ti n t h er e ' i p出 to fs i m p l i c i t yo ft h ed e t e r m i n a t i o n ,i th a sb e e n deemed t ob ei n f e r i o rt oa m v l o l y t i c enzyme. However, i n 1%1,ZIEVE and o t h e r s 9 8 lp o s t u l a t e dd i a g n o s t i cv a l u eo ft h e d e t e r m i n a t i o no fp h o s p h o l i p a s e A, from t h e i ro b s e r v a t i o nt h a ta c t i v i t yo fp h o s p h o l i p a s e λ i n c r e a s e si n serum s p e c i f i c a l l ya ta c u t ep a n c r e a t i t i si n man. I th a sb e e nc l a r i f i e ds i n c ee a r l yd a y st h a tt h ep a n c r e a sh a st h ea c t i v i t yt od e c o m p o s e l e c i t h i n・ I n1 8 7 7 , BoKAY10l d i s c o v e r e dt h a tp a n c r e a t i c enzyme decomposes l e c i t h i ni n t o f a t t ya c i d ,c h o l i n e and g l y c e r o p h o s p h a t e . BELFANTIand NrKUNI6oi n d e p e n d e n t l yr e p o r t e d i n 1932 t h a tt h ep a n c r e a sh a st hゼ a c t i v i t yo f d町 omp o s i n gl 町 i t h i n and p r o d u c i n gl y s o l e c i t h i n . I n 19; 川 ,G RONCH136lf u r t h e re x t r a c t e dp h o s p h o l i p a s e人 fromp a n c r e a t i n . D u r i n g υ . J Ot o 1%0, numerou只 s t u d i e sh m ・じ b e e na c c u m u l a t e di nt h ef i e l do f t h ep e r i o d from l 7 > m .I n1%8,RrMON b i o c h e m i c a li n v e s t i g a t i o n so fp h o s p h o l i p i d sandp h o s p h o l i p a s e 1 6 l 4 0 J 4 1 J日> 5 and S H A P I R 0 7 9 ls e p a r a t e dp h o s p h o l i p a s eA fromb o v i n ep a n c m t s , and i n 1%1, MAGEE a n d ONETIOLOGYANDPATHOPHY宍TOLOGYOF, C ¥ C U T EPAN"CREATITIS 95 o t h e r s 5 8 >s u c c e e d e di np u r i f y i n gp h o s p h o l i p a s eA fromhumanp a n c r e a s . GALLAI-HATCHARD a o id e t e r m i n e di n1 9 6 5 ,a c t i v i t yo fp h o s p h o l i p a s eA i nv a r i o u so r g a n so fa n i m a l s , andhe o b s e r v e dt h a tt h ea c t i v i t y was e x t r a o r d i n a r i l yh i g h e ri nt h ep a n c r e a st h a ni no t h e ro r g a n s . F u r t h e r m o r e , VOGEL andZ I E V E 9 4 >o b s e r v e de x t r e m e l yh i g ha c t i v i t yo fp h o s p h o l i p a s eA i n d u o d e n a lj u i c eo f man, whichwasf o l l o w e dbyt h eo b s e r v a t i o no fi n c r e a s ei np h o s p h o l i p a s e Aa c t i v i t yi np e r i p h e r a lb l o o da ta c u t ep a n c r e a t i t i si nman, a sd e s c r i b e di nt h ea b o v e . I nt h ep r e s e n te x p e r i m e n t ,a c t i v i t yo fp h o s p h o l i p a s e A was d e t e r m i n e df o l l o w i n gt h e method o fZ I E V E 9 8 > . S i m i l a r l yt ot h er e p o r t so f GALLAI・HATCHARD30> and Z I E V E 9 9 > ,t h e a c t i v i t y was t h eh i g h e s ti nt h ep a n c r e a t i ct i s s u e .I t was f u r t h e ro b s e r v e dt h a tt h i sh i g h .5t i m e sa f t e rt h ep r o d u c t i o no fa c u t e a c t i v i t yi nt h ep a n c r e a si n c r e a s e st ob ea b o u t2 p a n c r e a t i t i s . F l u c t u a t i o ni ne n z y m a t i ca c t i v i t yw i t h i nt h ep a n c r e a t i ct i s s u ea ta c u t ep a n c r e a t i t i sh a s been v a r i o u s l yr e p o r t e d ,andt h er e s u l t so ft h es t u d i e sonp r o t e o l y t i cenzymep a r t i c u l a r l ydon o tc o i n c i d ew i t honea n o t h e r . . N a m e l y ,TURNER and o t h e r s 9 2 lo b s e r v e di n c r e a s e i na c t i v a t e dt r y p s i na ta c u t ep a n c r e a t i t i s ,whereasS u z u K r 8 7 ld i dn o to b s e r v et r y p s i na c t i v i t y , and BECK and o t h e r s 7 > s Jr e p o r t e dl i t t l ed i f f e r e n c e between t h el e v e l so ff r e et r y p s i n ,t r y p s i n o g e n and t r y p s i ni n h i b i t o ri ne x t r a c to ft h ep a n c r e a t i ct i s s u ea ta c u t eb i l i a r yp a n c r e a t i t i s and t h o s ea t normal s t a t e . From t h er e s u l t so ft h ep r e s e n te x p e r i m e n t ,i ti sc o n s i d e r e dt h a tp h o s p h o l i p a s e A, a c t i v i t yo f which i n c r e a s e sw i t h i nt h ep a n c r e a s ,d i r e c t l ye m i g r a t e sf u r t h e ri n t op o r t a lb l o o d and i sd i s t r i b u t e dt ot h e whole bodyhematogenouslyt h r o u g ht h el i v e r . P h o s p h o l i p a s eA a c t i v i t yi np o r t a lb l o o da f t e rp r o d u c t i o no fa c u t ep a n c r e a t i t i smarkedlyi n c r e a s e dandi n c r e a s e d o n , which a p p r o x i m a t e l yc o i n c i d e sw i t ht h er e s u l t so f NITTA6 2 >c o n c e r n i n gt h eb e h a v i o r o ft r y p s i ni np a n c r e a t i c venous b l o o d . Thus, t h el i v e ri se x p o s e dt on o to n l yt r y p s i nb u t p h o s p h o l i p a s eA e m i g r a t e d fromt h ep a n c r e a s . I n c r e a s ei np h o s p h o l i p a s eA a c t i v i t ya so b s e r v e di np e r i p h e r a lb l o o di np r e s e n te x p e r i ment i sc o n s i d e r e dt o ber a t h e rl o w e rcompared w i t hi n c r e a so f 10 t o 20 t i m e sa ta c u t e p a n c r e a t i t i si nman a si n v e s t i g a t e d byZ I E V E 9 8 > . However,t h i smightbe p a r t l y due t ot h e f a c tt h a tp h o s p h o l i p a s eA a c t i v i t yi sl o w e ri nt h ep a n c r e a t i ct i s s u eo fd o g st h a ni nt h esame t i s s u eo fm印 刷 . I ti sw i d e l ya c c e p t e dt h a tb e s i d e hematogenous r o u t el y m p h a t i cr o u t ei si m p o r t a n ta s t h epath-wayo fg e n e r a ld i s t r i b u t i o no fp a n c r e a t i c enzymes a ta c u t ep a n c r e a t i t i s 3 5 > 5 2 > s 9 > . According t oANDERSON and o t h e r s 3 > ,s t r e a mo ft h o r a c i cd u c t lympht e m p o r a r i l yi n c r e a s e s from 1t o 2h o u r sa f t e rt h eo n s e to fa c u t ep a n c r e a t i t i s ,b u ti td e c r e a s e s from 3t o 5h o u r s a f t e ri t ,t h o r a c i cd u c t lymph becoming b l o o d y , and from1 0t o 20h o u r sl a t e rt h es t r e a m c o m p l e t e l ys t o p s . Hence, i ti s presumed t h a te m i g r a t i o n path-way o fp a n c r e a t i cenzymes a ta c u t ep a n c r e a t i t i si n t op o r t a lb l o o di s morei m p o r t a n ta sq u a n t i t a t i v e l yi n v e s t i g a t e d . I nt h es t u d yo fp a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s ,t o x i c i t yo fp r o t e o l y t i ce n z y m e s , p a r t i c u l a r l yt h a to ft r y p s i nh a s beenc o n s i d e r e dt ob ee s s e n t i a l ,and t h es t u d i e s havebeen w i d e l yc a r r i e do u ton t h i sr e s p e c t . Numerous s t u d i e s have b e e nr e p o r t e dd e m o n s t r a t i n g i m p o r t a n tr o l eo ft r y p s i na ta c u t ep a n c r e a t i t i ss u c ha sd e c r e a s ei nb l o o dp r e s s u r e 2 8 > 7 3 > s o i s o , a l t e r a t i o ni nb l o o dc o a g u l a t i o n 2 2 > s s i , thrombus f o r m a t i o n 9 0 >and c i r c u l a t o r yd i s t u r b a n c edue t ot h ec o n t r a c t i o no ft h ep e r i p h e r a lv e s s e l s 2 8 > 5 4 > . On t h eo t h e rh a n d , REID and o t h e r s 7 6 >o b s e r v e dt h a t oxygenu p t a k eo f homogenate o ft h ek i d n e y ,l i v e r and h e a r t was n o ti n f l u e n c e d by t h ea d d i t i o no fc r; , 叫a l l i n et r y p s i n , 96 巻 第 l号 8 1・外・ 宝 第 3 1 昭和4l年 I ( 1月) dea h d by t e t i b i h n , however, i s a , which w r o t i b i h n ni i s p y r n and t i s p y r t o m y h ec n i l l a t s y r c d e t r o p e r > 0 5 A . IsmKAw s a e r c n a ep h ft i民主 o u lj a g a e and v t c homogena i t a e r c n a fp no o i t i d e advancement h ht t i lw e l l a r a np di e s a e r c e yd l l a u d a s gr g o fd no o i t a r i p s e er u s s i ct i at p t he a h t y erb ,・ i n normal ] di e t i b i h n ti o t was n ti u ,b s i s o r c e cn i t a e r c n a dp e c u d o r yp l l a iment r f expe o o n t tmigh t ti a h spresumedt ti ,i s n o i t va r e s b eo s he . From t o r t i nv ni i s p y r ft no o i t e addi h t n ei s l ge n i h t e m o ts u ,b y g e ener v i t a d i x ro a l u l el fc no o i t c u d o r ep h st b r u t s i td a h nt i s p y r et b s. IsmKAWA50l, i t i t a e r c n a ep t u c ta y onorganisma bl a r o av f n su e nc e u l f n , which i s a e r c n a ep h t m u i d i r t s o (l f‘ no i x o oバ t calt i dent ,i eC s a p i l o h p s o h fp yo t i iv ct ta a h dt e i f i r a l ,c e r mo r e h t r u f s i h ot yt l r a l i m i . S s g o nd si i s o r c e cn i t a e r c n a ep t u c ta ra e iv el h nt i h t i sw e s a e r c n ,i i i h c l e W t di n ,a ty i ic x o et h st a oh s , al s l c i p li o h p s o h s on p t c a間入, which a p i l o h p s o h ,p or t c a alf h t e l s o h fp yo t i ・ , i t c ea h d when t e t c e f f ya l s u o i r e es ob st t organism i a h ly presumed t di a e sr i nt e s e r ep h nt di e t a r t s n o m e sd sa i t i t a e r c n a ep t u c ta hebody a nt i h t i sw e s a e r 、 t n eA i s a p i l o h p . nt experime , > 5 d1 i p i l o h p s o h fp eo c n e t s e exi h d by t e n i a t n i a sm elsi ng c i v i fl yo t i r g e t n li a r u t c u r t S y t i v i t c e人 a s a p i l o h p s o h np ei s a e r nc ei h ,byt e s r u o fc ro e t t a s am d,a e b r u t s i iyd s叩 長l ti nd i a . d i p i l o h p s o h fp no o i t c u r t s e gd n i t l u s e hr t i w d e r e d i s n o nc e e sb a nake venom h ds te a e e A, h s a p i l o h p s o h fp yo t i l i b a t ts a e eh h From t , 3 n 195 . I y t i c i x o et h ft tudyo es h nt di e s lyu e d e A and wi s pa i l o ph s o pho lt a c i t n e d ei ob t y l n howedo 四 s 5 minut r1 o 00コ f t1 da e t a e r a venom t r b o tc a h dt e v r e s b BRAGANCA11J o , e s o c u f gl mo e t s y on s i t a d i x ng o i t i b i h n ,i s l a m i n na yi t i c xi o y and t t i v i t c eA a s pa i phosphol r u e,f t n homogena i a r nb ei s o t c u r e and f t a r a t u gl o t -,α ke t at n i c c u ,s e t a m a t u l , L-g e t a v u r y p e s a n e c dehydrog i n i c c u ,s n i 1 ; r he h nt ei s a n e g o r d y h e cd i v u r y gp n i t i b i h n yi l g n o r t thermores e h nt ei s a d i x eo n i l o h n andc i a r he b nt ei > ' a d i x chromeo o yt ,c e l 、 e t mus r a e n and h i a r he b nt i e s a p i l o h p s o h p c i t a e r c n a p t a h dt te r po e >r 4 6 R ,NYGAARDandSuMNE d n a rh e h t eo h . On t lver i s ,a er iv tl a fr ao i r d n o h c o t i nd m ts a a fr er homogenate o iv fl eo s la c i x o n i c c u ss e t a v i t c na Ai N ¥ . H. S K A D l : l W ,AR. er v o e hr , ¥ . , s nakevenomdoe dfroms ie f i r u dandp e t c a r t x eA e s a p i l o h p s o h p e v a eh as p i l o h sp epho n i l al t s y r enom andc nakev ed s t ea r att t he a h dt te r o p e .\け r B. ' 1 ¥ and BRAG. n o andi r t i nv hi t o erb iv n mouse l ai i r d n o h oc t i fm go n t sweli u o b ga n i r ob yt t i v i t c ea h t o t i m e h t n i s d i p i l o h p s o h p f o s i s y l o r d y f h to l "u : 《 s ar ma s i l o b a t e sm t si b r u t s i o and d v i v d e t ea r st l l e dc o o l db e nr f huma so i t hemolys a h dt ve er s b >o 4 3 S N O B B I ia. GREIG and G chondr s i s y l o c y l dg e n i a t n i a sm l el dc o o l db e er s o h , and t d l i e venom was m k a n ds e z i l i h p o y hl t i w e h nt ei s a e r c e hぞ d ht t els wi ec s ho nt di e s a e r c e y was d t i v i t c ea s a r e t s e n i l o h tc u ,h y it v i t c a > 0 1 ¥ i V A¥ χ l ( , t c e p s e r s i h t n I . n o i m u i d o s e s a e l e r d n a n o i m u i s s a t o p e t a r o p r o c n i o t y t i v i t c a f so n o ri la u l l e c a r t n fi ium o br i il u q fe eo c n a b r u t s i ;d r u c c reo e h tt a h dt e i f i r a , cl c i n i l rc n ou i h t , wi n o g sodium i n i x u l f n on and i mi u i s s a t o gp n i x u l f f els e ec h ,t m u i s s a t o sαlium and p 油 p i l o h p s o h np aabundanti i r d n o h c o t i cm i t a e ,whenpancr els ec h resulti 時 rapid 川•elli時 of t . eA s a p i l o h p s o h d by p e t ec f f sa i c ix o gt n o r t ss a fh l e s t eA i s pa i ol h p y phos l n to o ,n e v o b ea h nt di e b i r c s e nd e e sb s ha . ¥ . . o s l na i h t i c e l o s y ,l t c u d o r he p ,t s enzyme i h sdecomposed by t ni i h t i c e whenl 的 t al u ,b y t i c d e t er s s ya l l a c i d a . HABERMANNJBJ39J r s y a yd l r a ee c n i s known s ,a y t i v i t c ca i yt s hemol ha . n i h t i c e l e附 t s i x ee h cto出・by t fe f ce i g o l o c a n r r a h sp t si t s e A manife s a p i l o ph s t pho a h t e h nt i h t i sw e s a e r c n 円eA i pa i f phosphol yo t i v i t c he a st ta a h dt y presume l i d a e sr ti ,i Thus e l o h ew h ot dt e t u b i r t s i ed oh d叫 reamt o o l ob t n si e t a r g i s and em i t i t a e r c n a ep t u c ta sa ea r panc d. e 町 t f f ya sl u io er gs n i e ,b m a e tr ts ha ot dt e y expos l t s r i sf eri iv el h body,t d ONETIOLOGYANDPATHOPHYSIOLOGYOF.¥CUTEP A . 1 ¥ J C R E A T I T I S 9 7 I nt h ep r e s e n te x p e r i m e n t ,a c t i v i t yo fp h o s p h o l i p a s eA i n c r e a s e d , andt h e r e was s i g n i f i c a n tc o r r e l a t i o n between t h ed e g r e eo ft h ei n c r e a s ei nt h ea c t i v i t y and s u r v i v a lt i m eo f e x p e r i m e n t a la n i m a l s . The t e n d e n c yt h a tt h ee a r l i e r and t h es t r o n g e rt h ei n c r e a s ei nt h e a c t i v i t yw a s ,t h ee a r l i e ro c c u r r e dt h ed e a t h , was mosto u t s t a n d i n gi nt h ea c t i v i t yo fp h o s no r d e rt oa s c e r t a i nt h i sf i n d i n g ,p h o s p h o l i p a s eA i np o r t a lb l o o d and t h el i v e rt i s s u e . I p h o l i p a s eA e x t r a c t e d from b o v i n ep a n c r e a swas d i r e c t l yi n f u s e di n t ot h ep o r t a lv e i n . I n t h i se x p e r i m e n t , temporary d e c r e a s ei nb l o o dp r e s s u r e was o b s e r v e da si nt h ee x p e r i m e n t o fi n t r a v e n o u si n f u s i o no fp h o s p h o l i p a s eA i n t ot h ef e m o r a lv e i n . However,e x p e r i m e n t a l a n i m a l se x c l u s i v e l yw i t hp h o s p h o l i p a s eA i n f u s i o ni n t ot h ep o r t a lv e i nd i e da p p r o x i m a t e l y 20h o u r sa f t e rt h ei n f u s i o n ,r e v e a l i n ga u t o p s yf i n d i n go f marked c h a n g e si nt h el i v e r . CONDREA1 2 >ando t h e r sr e p o r t e dt h a tt h e yo b s e r v e dd e c r e a s ei n plasma l e c i t h i n and t r a n s i e n t i n c r e a s ei nl y s o l e c i t h i nw i t hd e f o r m i t yo fr e db l o o dc e l l si nt h e i re x p e r i m e n ti n which 50mg ( p r o t e i ne q u i v a l e n t )o fp h o s p h o l i p a s eA e x t r a c t e dfrom b o v i n ep a n c r e a s was i n t r a v e n o u s l yi n j e c t e di n t ot h ea u r i c u l a rv e i ni nr a b b i t sf o r 2t i m e swith t h ei n t e r v a lo ft i m e o f 45 m i n u t e s ,h o w e v e r ,w i t h o u td e a t ho ft h ea n i m a l s . Ascompared w i t ht h ed o s i so f p h o s p h o l i p a s eA i nt h ee x p e r i m e n to f CoNDREA,l e s st h a noneh a l fo fp h o s p h o l i p a s eA i n p r o p o r t i o nt o body w e i g h t wasi n j e c t e di n t ot h ef e m o r a lv e i nw i t h o u td e a t ho ft h ee x p e r i m e n t a la n i m a l si nt h ep r e s e n te x p e r i m e n t . However, t h esameamounto ft h eenzymewas l e t h a l when i n f u s e di n t ot h ep o r t a lv e i n . Fromt h i sf i n d i n g ,i ti so b v i o u s l ys u g g e s t e dt h a t t h el i v e ri ss e r i o u s l ya f f e c t e d byt h i senzyme. OHARAs no b s e r v e db l o o dc o n g e s t i o ni nt h e c e n t r a lv e i n and s i n u s o i d anda t r o p h yo fh e p a t i cc e l lc o r d8h o u r sa f t e rp r o d u c t i o no fa c u t e p a n c r e a t i t i s , and hef u r t h e rr e p o r t e dt h a tt h e s ef i n d i n g sc o u l dbeo b s e r v e df o r 1t o 3d a y s which wasf o l l o w e d by improvement o fb l o o dc o n g e s t i o n and a t r o p h i cp i c t u r ei np a r a l l e l w i t ht h eimprovemento fg e n e r a lc o n d i t i o n ,andt h ec h a n g e si nt h el i v e r were more s e r i o u s i nd o g sd i e dw i t h i n5 d a y sa f t e rt h ep r o d u c t i o no fa c u t ep a n c r e a t i t i st h a nt h o s es l a u g h t e r e d onp u r p o s e . On t h eo t h e rh a n d , ANDERSON2> e x p e r i m e n t a l l yp r o d u c e dv a r i o u弓 d e g r e eo f a c u t ep a n c r e a t i t i sfrom s l i g h t edema t os e r i o u sn e c r o s i so ft h ep a n c r e a s and i n v e s t i g a t e d m o r p h o l o g i c and f u n c t i o n a lc h a n g e so ft h el i v e r . According t oh i so b s e r v a t i o n ,h i s t o l o g i c f i n d i n g so ft h el i v e rs u c ha si s o l a t i o no fh e p a t i cc e l lc o r d s ,b l o o dc o n g e s t i o ni nt h es i n u s o i d s andd e g e n e r a t i o no rn e c r o s i so fh e p a t i cc e l l swerei np a r a l l e lw i t ht h ed e g r e eo ft h ep a n c r e a t i c l e s i o n , and l i v e rf u c t i o n ,a si nv e s t i g a t e dbya l k a l i n ep h o s p h a t a s e ,T.T.T . , sG .0 .T. and .T . , wass i m i l a r l yd i s t u r b e d dependingon t h ed e g r e eo fp a n c r e a t i cc h a n g e s . sG.P P a t h o g e n e s i so fh e p a t i cd i s t u r b a n c ea ta c u t ep a n c r e a t i t i sh a sbeenmuchd i s c u s s e d ,and i ti spresumed t h a ti na d d i t i o nt oc i r c u l a t o r yd i s t u r b a n c ew i t h i nt h el i v e ra s s o c i a t e d with d e c r e a s ei ng e n e r a lb l o o dp r e s s u r e ,t r y p s i ne m i g r a t e d from t h ep a n c r e a st ot h ep a n c r e a t i c v e i nr e a c h e st h el i v e rv i at h ep o r t a lv e i n 4 9 l 6 2 > 7 4 > ,w i t hr e s u l t i n gc i r c u l a t o r yd i s t u r b a n c eo f t h el i v e r 5り. Thus, t h el i v e ri sp l a c e di n ac o n d i t i o no fh y p o x i a ,and p r o t e o l y t i ce f f e c to f t r y p s i n ,i n f l u e n c eo fp h o s p h o l i p a s e A on membranouscomponentso fc e l l s ,p a r t i c u l a r l yd i s u r b a n c eo fe n e r g ym e t a b o l i s m 0 1 1 > 6 0 might come t u r b a n c eo fm i t o c h o n d r i a and f u r t h e rd iちt t op l a yt h ei m p o r t a n tr o l ei ne t i o l o g i cp a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s . F u r t h e r m o r e , DE DuvE1n d e m o n s t r a t e dt h a ta c i dh y d r o l a s es u c ha sc a t h e p s i ni sc o n t a i n e di nl y s o s o m e so ft h el i v e r , and t h e yc l a r i f i e dt h a tc e l l u l a ra u t o l y s i sa d v a n c e s by t h e a c t i v a t i o no fc a t h e p t i cs y s t e m ,c a u s e d by t h er e l e a s eo ft h e s ee n z y m e s 1 8 > . VAN LANCKER and HoLTZER93> d e m o n s t r a t e dt h ee x i s t e n c eo fa c i dh y d r o l a s e s , which were p r o b a b l y 8 9 二1月) l j 巻 第 1号(昭和4l l ・外・宝第 38 E s n i a t n o oc s l ea m o s o s y sl i h ft . Themembraneo e u s s i ct i t a e r c n a ep h nt ,i s e m y z n ale 1 m c os s y l l a m o s o s y fl eo s a e l e gr n i t l u s e hr t i ew s a p i l o h p s o h d byp e t c u r t s e sd , which i r e i r r a b n i e t o r p o p i l e ob o presumed t s l sa si s e c o r . Such p s e m y z n h出 じ e ft no o i t a v i t c ,a r e h t r u ,f d n enzymes a t vATMAN9' and RYAN84' pointed outthata . BERRIDGE and V e c n a b r u t s i ed h ft ro o t c a af , e c i d n u a j c i t y l o m e h o t p o l e v e d d l u o w l l e c d o o l b d e r f o y t i l i g a r f d e s a e r c n si i t i t a e r c n a ep t u c a . s l l e ec s e h n on t i s p y r ft eo c n ue l f n oi o be due t s phenomenon t i h dt e t e r p r e t n yi e h and t e s a p i l o h p s o h fp yo t i v i t c ea h nt ei s a e r c n ti a h dt e t e r p r e t n ly i t n e r e f f i ed nb a sc i h ,t r Howeve n i h t i c e l o s y el c n i ,s e c i d n u a ej h ft eo s u a tc c e r i d n ei s might b i t i t a e r c n a ep t u c ta da o o l λin b e A. s a p i l o h p s o h n by p i h t i c e d from l e c u d o r sp si i s y l o m e fh to c e f f ge n o r t ss t hi t i w e h nt si e t a l u m u c c a d i u l f e v i t a d u x ye d o o l fb e amount o g r a tl a h y known t l l a r e n e sg ti I e s a e r c n ,i y t i l i b a e m r e yp r a l l i p a nc ei s a e r c n ei h ebyt c a p als ne o t i r e p o r t e yandr t i v a lc a e n o t i r e p g n i t a l u c r i nc ei s a e r c e gd n i t l su e hr t i ,w s c i t a h p m y el h ft no o i t c u r t s b e and o r u s s e r lp a t r o np i , d i u l ef v i t a d u x se i h nt . I t n e m p o l e v e f メhockd ro o t c a esa f t u t i t s n o ,which c e m u l o plasma v t n e m i r e p x te n e s e r ep h nt . I t u do te n i o np e e sb a じ h is ; p i eandl s a l y m fa yo t i ' ¥ i t c na ei s a e r c n i , m u r e ns ni a h dt i u l lf a e n o t i r e np ri e h g i e 人 wasmarkedly h s a p i l o h p s o h fp yo t i v i t c ,a o s l a x . E s a e r c n a ep h ft hanges o fc e development o h ht t i lw e l l a r a np gon i n i s a e r c n ri e h t r u f ヘ 3 6 T N E G U N y b d e t a r t s n o m e d s a w n i m u b l a l a m r o n b a d n a e c n a t s b u s e ・ i, ct a o s a fv eo c n e t s i o s l ¥9•> a . TsUKIYAM. d i u l lf a e n o t i r e np li 2 8 Y E R ndRODGERS and CA 川, a s r e h t .汀 Z and o ¥ l e r u t x i em h nt si t s i s n o yc t i c i x o het dandt i u l lf a e n o t i r e np ti s i sぞx e c n a t s b u cs i x o hatt dt e t r e s s a or rc a e l h ac c u ,s t n e m i r e t exp n se e r ep h nt . I e s a p i , amylasゼ and l n i s p y r ft eo e r h et h ft o y t i v i t c eA a s a p i l o h p s o h np ti i a' e r c n fi eo e r g e ed h dbetween t e v r e s b eo tb o dn l u o nc o i t a l e r l a t r o p n yi t i v i t c 乱 e h t n i e s R e r c n i f o e e r g e d e h t n e e w t e b d e v r e s b o s a w s a , d i u l f l a e n o t i r e p n i e h tt a h dt e r e d i s n o sc ti . However, i e m i lt a v i v r u es h e and t u s s i ct i t a p e eh h nt ri do o o l b d e t a im e町 t tb o dn l u o h ds i u l lf a e n o t i r e np yi t i v i t c eAa s a p i l o h p s o h dp e s a e r c n fi yo it c i x o t . l l a m os o t t ea c a p ls a e n o t i r e p o r t e he r nt si r u c c yo r u j n ei k i l n r u t礼 b a h dt e v r e s b yo l l a r e n e sg ti I d e t n i o np e e sb a nh o i s u f s n a r dt i u l ff eo c n a t r o p m hei tt c e p s e sr i h nt , and i s i t i at e r c n a ep t u c a t n a t r i : : p m ei h st a n白 h r al> ne o t i r e p o r t e er h ot t n di i u l ef iv xudat fe no o i t a r t l i f n . Thus,i > 2 3 t u o e h dt e x i d and f e r u t u >s 9 wA5 ¥ Ge ¥ . . ¥ ! N¥ . . s i t i t a e r c n a ep t cu fa ogy o l o i s y h p o h t a np ei c n a c i f i n g i s n a fhumanp no o i t a u t i ls a c i m o t a n ea h et t a l u m i os mt u e n o t i r e p o r t e er h ot st g o fd so a e r panc h c u fs no o i s u f n e by i t a t ks c o h ss u o i ヒr yメ l e m e r t x ge n i c u d o r np di e d e e c c u es , and h s a re c e c u d o r p o t l i a oa f gt n i d a e s comrrγmlyl ,a t c u cd i t a e r c n a emainp h ot t n ei l i fb lamounto l a m s y e producedb dh l u o ec t a t ks c o h ts a h dt e n i a t r e c s ra e h t r u . Hef s i t i t a e r c n a 'p l t u c 'riom a l S s o h ,p o s l ‘ a t n e m i r e p x te n e ξs r ep h nt . I a t r o la a n i m o e abd h n around t i s p y r ft no o i t a r t l i f n i ha c u ,s er . Hり は ev a t r o e abdominal a h d around t e t a r t l i f n d and i e t c e j n .was i ¥ . e. s a p i l o h p d e v r e s b s was o ved a r e e obs tb o dn l u o sc e r u s s e r lp a t r o l and p a i r e t r na ni o i t a u t c u l df i p a r l a ms i n ea s e h nt di e v r e s b eo tb o dn l u o ec t a t ks c o h es h et t . U引 pi d e s n was u i s ryp when t f no o i s u f n ei h rt e t f sa r t 20 hou u o b da e i f 3d to u so l a m i n , 2a n o i t a g i st ・ nH s'i r u o r2 h o f y l n do e n i a l p x ee tb o h onn t a e fd . Cause o e c a p ls a e n o t i r pe o 寸r e er h ipaseλinto t l o h p s pho s u 加 l ne~vous e h t n o . ¥ . e s t : p i l o h p s o h p f o t c e f f e t c e r i d f eo c n 向 o p m i e h t t u b , g n i d n i sf by 出i e m a es h tt a h tt c a ef h gt n i r e d i s n o ,c d e z i s a h p m ee db l u o h as t r o la a n i m o l l〕c ea h around t , y l s u o e n a t u c b u ds e t c e j n s when i g o nd ti c e f f ee l t t i e A showed l s a p i l o h p s o h fp amount o n si t l u s e n円 111 r e ted ~『1ake v a re tt a e fh no o i t c e j n si u o e n a t u c b u ts a h tt c a ef h ht t i herw t e g o t u 1 ' 4 s n a g r o e s e h t f o n o i t c n u f e h gt n i b r u 対 i d , r e v i l d n a n i a r b e h t n i a i r d n o h c o t i fm go n i l l e w s ' ’ ONETIOLOGYA. ~ D P:¥THOPHYSIOLOGYOF: ¥ C U ’ l ' EPANC REATITIS リ リ G J L S D O R F 3 1 ' and0GAWA66> s u c c e e d e di np r o d u c i n gand d e v e l o p i n ga c u t epanc r e a t i t i s bye l e c t r i cs t i m u l a t i o nt ot h eh y p o t h a l a m i ca r e a ,s p l a n c h n i cn e r v e so rc e l i a cn e r v o u sp l e x u s . Fromt h e s er e s u l t s ,t h e ye m p h a s i z e dn e u r o g e n i cf a c t o ri np a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s . Oneo ft h ec h a r a c t e r i s t i cf i n d i n g so fa c u t ep a n c r e a t i t i si sf a t t yn e c r o s i s . T h i sh a sb e e n c o n s i d e r e dt oo c c u rby t h ep r i n c i p a le f f e c to fl i p a s e ,b u ta c c o r d i n gt ot h ee x p e r i m e n to f PANABOKKE71> ,i twasd i f f i c u l tt op r o d u c ef a t t yn e c r o s i s by i n j e c t i o no fl i p a s eo rt r y p s i n i n t ot h ea d i p o s et i s s u e , whereas i n je c t i o no fp h o s p h o l i p a s ei n t ot h i st i s s u ec o u l dp r o d u c ei t . H e n c e ,i ti sassumed t h a tl i p a s ec a nm a n i f e s ti t sa c t i v i t yo n l y whenp h o s p h o l i p a s eA p r e v i o u s l ya f f e c t e dt h ec e l l u l a rmembraneo ft h ea d i p o s et i s s u e ,andp a r t i c i p a t i o no fp h o s p h o l i p a s ei nt h ed e v e l o p m e n to ff a t t y ne cr o s i ss h o u l dn o tb en e gl e c t e d . I n1 9 0 1 ,0 P I E 6 8 'a s s e r t e d“ commonc h a n n e lt h e o r y , ”i nwhicht h ee t i o l o g i cp a t h o p h y s ト o l o g yo fs e r i o u sa c u t ep a n c r e a t i t i si s assumed t oc o n s i s ti nr e g u r g i t a t i o no fb i l ei n t ot h e p a n c r e a t i cd u c tt h r o u g ht h ecommonc a n a l formed w i t ht h eb i l ed u c tandp a n c r e a t i cd u c t by t h ei n c a r c e r a t i o no fg a l ls t o n ei nt h ea m p u l l ao fVATER. I n1 9 1 9 ,A . i < C H I B A L D 5 ' r e p o r t e dt h a tt h ecommonc h a n n e lc an b eformedf u n c t i o n a l l yn o to n l ybyi n c a r c e r a t iono f g a l ls t o n e ,b u ta l s obyi n f l a m m a t i o no rh y p e r a c t i v i t yo ft h eduodenum,s t i m u l a t i o nfrom t h e b i l i a r ys y s t e m ,d y s f u n c t i o no fa u t o n o m i cn e r v e s ,m e n t a li r r i t a t i o n ,spasmo fOom' sm u s c l e c a u s e db yd r u g ss u c ha smorphineandedemao fp a p i l l ao fVA T E R . These a s s e r t i o n swere f o l l o w e dby many s t u d i e st h e r e a f t e rc o n c e r n i n gt h er e l a t i o n s h i pbetweena c u t epan c r e a t i t i s andr e g u r g i t a t i o no fb i l ei n t ot h ep a n c r e a t i cd u c t . Asp a n c r e a t i cenzymesp a r t i c i p a t i n gi n p a t h o p h y s i o l o g yo fa c u t ep a n c r e a t i t i s ,t r y p s i nh a sb e e n and i sc o n s i d e r e dt ob ee s s e n t i a ! 53 > 6 9 ) 7 5 ) 7 8)目的. However, t h e r ea r e some c o n t r a d i c t i o n s upon t h i sc o n c e p t ,and q u e s t i o n son t h ee f f e c to ft r y p s i n ,p a r t i c u l a r l ya tt h ei n i t i a ls t a g eo ft h ee t i o l o g i cp r o c e s sandi t sa s s o ・ c i a t i o nw i t hb i l ea r en o ty e tc l a r i f i e d . DRAGSTEDT20> p o i n t e do u t ,i n1 9 3 4 ,t h a tt r y p s i n d o e sn o ta c ton l i p o i d s ,andhei s o l a t e ds m a l lp a r to ft h ep a n c r e a so fdogp r e s e r v i n gb l o o d s u p p l yandt r a n s f e r r e di ti n t ot h ed u o d e n a lc a n a lt oe x p o s et h epa n c r e a t i ct i s s u et ot r y p s i n. Thee x p e r i m e n tw a s ,h o w e v e r ,u n s u c c e s s f u lt op r o d u c ea c u t ep a n c r e a t i t i s ,w h e r e a ss i m i l a r l y t r a n s f e r r e dp a n c r e a t i ct i s s u ei n t ot h eg a l lb l a d d e r was a f f e c te d. S u z u K r 8 7>o b s e r v e dt h a t t r y p s i nc a n n o tb ed e t e c t e di nt h epanc r e a t i ct i s s u ew i t hb i l i a r ya c u t ep a n c r e a t i t i s ,and c h a n g e s i nt h ep a n c r e a swasm i l d e rwhene m u l s i o no fi n t e s t i n a l membr an ew i t hs t r o n g e ra c t i va t i o n e f f e c tont r y p s i n o g e n wasi n f u s e di n t ot h ep a n c r e a t i cd u c tt h a nwhe nb i l e wasu s e d , whic h h a sl e s s e re f f e c to fa c t i v a t i o no ft r y p s i n o g e n . F u r t h e r m o r e ,F U J I Y A M A 2 9 'a s s e r t e dt h a ti n c r e a s ei nt r y p s i nc a n n o tb ed e m o n s t r a t e di np a n c r e a t i cj u i c eo fd o g sw i t ha c u t ep a n c r e a t i c n e c r o s i s , though w i t hi n c r e a s ei na m y l a s eand l i p a s e , and h ep o i n t e do u tt h a ti n j e c t i o no f e n t e r o k i n a s es o l u t i o ni n t ot h ep a n c r e a t i cp a r e n c hymaf a i l e dt op r o d u c ep a n c r e a t i cn e c r o s i s , a l t h o u g hani n c r e a s ei nt r y p s i nwaso b s e r v e d . Botho ft h e s er e s e a r c h e r sa r es k e p t i ct oassume t h er o l eo ft r y p s i nt ob ee s s e n t i a l . HAVERBACKando t h e r s 4 3 > H lp o i n t e do u tt h a tt r y p s i n o ge n i sn o ta c t i v a t e dby b i l eandi n s i s t e dt h ee x i s t e n c eo fn o n t r yp s i np a n c r e a t i t i sb a s i n gon t h e i r i n v e s t i g a t i o n son t r y p i s ni n h i b i t o r . B E C K 7 > s >a l s oi n s i s t e dt h a t引 ・ ena d m i n i s t r a t i o no rd i r e c t i n f u s i o no fe x t r e m e l yl a r g eamounto ft r y p s i ni n h i b i t o ri n t ot h ep a n c r e a t i cd u c ts u c ha s benthoniumc h l o r i d eo rt r a s y l o lc a n n o tp r e v e n tt h eo c c u r r e n c eo fe x p e r i m e n t a la c u t ep a n c r e a t i t i si nr a b b i t sandd o g s , and t h e yo b s e r v e dl i t t l ed i f f e r e n c eb e t w e e nt h el e v e l so ff r e e t r y p s i n ,t r y p s i n o g e nand t r y p s i ni n h i b i t o ri np a n c r e a t i ce x t r a ctfromt h ea n i m a lsw i t ha c u t e b i l i a r ypa n c r e a t i t i sandt h o s e from n o r m a ld o g s . Fromt h em o r p h o l o g i ci n v es t i g a t i o no f 1 0 0 日・外・宝鉛 3 8 巻 め l号(昭和 4 4 { 1 三1月 ) v a r i o u so r g a n si nexpげ i m e n t a la c u t eb i l i a r yp a n c r e a t i t i si nd o g s ,WANKEand G R O E Z I N G E R 9 5 > p o i n t e do u tt h ed i f f e r e n c ebetween b i l i a r yp a n c r e a t i t i sand t r y p s i np a n c r e a t i t i s . ELMSLIE u t ep a n c r e a t i t i sd o e sn o td e v e l o pevenbyi n f u s i o no fa c t i v a t e dt r y p s i n 2 5 l2 6 lm a i n t a i n e dt h a t呂c i n t ot h ep a n c r e a t i cd u c t ,u n l e s si ti sn o ti n f u s e dw i t hp r e s s u r e . NEMIRand DRABKIN60l p u te m p h a s i sonhemochromogen fromt h e i ro b s e r v a t i o nt h a t f u l m i n a n tp a n c r e a t i t i sc o u l db ep r o d u c e dby t h ei n f u s i o no fb l o o dd i g e s t e dw i t hp a n c r e a t i c j u i c ei n t ot h ep a n c r e a t i cd u c t ,andt h e yc o n s i d e r e dt h a t hemochromogenp l a y sani m p o r t a n t r o l en o to n l ya sane t i o l o g i cf a c t o ro fa c u t ep a n c r e a t i t i s ,b u ti ni t sp a t h o p h y s i o l o g y . HOFER I C H T E R 4 6 la l s on o t i c e dt h ei m p o r t a n c eo fd i g e s t e db l o o d . ELLIOTT24> r e p o r t e dt h eo c c u r r e n c eo ff u l m i n a n tp a n c r e a t i t i sbyt h eu s eo fa m i x t u r eo ft h e sameamounto fb i l ea n d 2t o4 8h o u r s . Ont h eo t h e rh a n d , CREUTZFELDT13l r e p a n c r e a t i cj u i c ei n c u b a t e df o r1 p o r t e dt h a thef a i l e dt oprodm で s e r i o u sa c u t ep a n c r e a t i t i sbyt h ei n f u s i o no fa c t i v a t e dt r y p s i n , m i x t u r eo fa c t i v a t e dt r y p s i nandb l o o d ,l i p a s eando t h e rv a r i o u sm a t e r i a l si n t ot h ep a n c r e a t i c d u c t , and f u l m i n a n tacuk p a n c r e a t i t i sc o u l d bepro d u c e do n l y when l y s o l e c i t h i n wasi n f u s e di n t ot h ep a n c r e a t i cd u c t . He f u r t h e rp o i n t e do u tt h a tmostp a r to fl e c i t h i ncommonly d e m o n s t r a t e di n normalp a n c r e a t i ct i s s u ei st r a n s f o r m e dt ol y s o l e c i t h i ni np a n c r e a t i ct i s s u e w i t he x p e r i m e n t a l andc l i n i c a la c u t ep a n c r e a t i t i s , and h es u c c e e d e di np r o d u c i n gs i m i l a r l y f u l m i n a n ta c u t ep a n c r e a t i t i sby t h ei n f u s i o no fp h o s p h o l i p a s e A, which p a r t i c i p a t e si nt h e p r o d u c t i o no fl y s o l e c i t h i n ,w i t hc h o l i ca c i di n t ot h ep a n c r e a t i cd u c t . F u r t h e r m o r e , hep o s t u l a t e dt h a tt h es i g n i f i c a n c eo fp h o s p h o l i p a s eA i se x t r e m e l yi m p o r t a n ti ne t i o l o g i cp r o c e s so f a c u t ep a n c r e a t i t i s ,s i n c e phospholipa~じ人 is f a ra b u n d a n t l yc o n t a i n e di nhuman p a n c r e a s Ro n e ,f u l m i n a n ta c u t ep a n c r e a t i t i si sf r e q u e n t l yo b s e r v e di n man,whichi s t h a ni na n i m a l‘ 山ヒ A i se l e v a t e d by t h er e g u r g i t a t i o n r e l a t i v e l yr a r ei na n i m a l s , anda c t i v i t yo fp h o s p h o l i p o fb i l eand/ord u o d e n a lj u i c ei n t ot h ep a n c r e a s . I nt h ep r e s e n te x p e r i m e n t ,p h o s p h o l i p a s eA e x t r a c t e d from b o v i n ep a n c r e a swasi n f u s e di n t ot h ep a n c r e a t i cd u c ti nv a r i o u sd o s i sw i t hsodiumd e o x y c h o l a t e ,andv a r i o u sd e g r e e o fa c u t ep a n c r e ぽi t i sc o u l db ep r o d u c e dd e p e n d i n gont h ed o s i so fp h o s p h o l i p a s eA . Howe v e r ,t h eamounto fs i m u l t a n e o u s l y mfused sodium d e o x y c h o l a t ewas o b v i o u s l ys m a l l e r t h a nt hじ amountwhicha l o n ec a np r o d u c ea c u t ep a n c r e a t i t i s 4 5 l ,and i ti sr e a d i l yp r e s u m e d t h a tp h o s p h o l i p a s eA i san i m p o r t a n tf a c t o ri nt h eo c c u r r e n c eo fa c u t ep a n c r e a t i t i s . On t h eo t h e rs i d e , GREENBAUM and HrRSHKOWITz33l d e m o n s t r a t e dt h a tt r y p s i n o g e n i sa c t i v a t e di nv i t r oby p a n c r e a t i cc a t h e p s i n ,andTURN上cR9 2 lp o s t u l a t e dt h a ta st h ec a t h e p t i c s y s t e mc o n s i s t e d froml y s o s o m a l enzymes i sa c t i v a t e d by t h ed e c r e a s ei ni n t r a c e l l u l a rpH c a u s e d by h y p o x i cc o n d i t i o n so ri s c h e m i a ,t r y p s i n o g e ni sa c t i v a t e di nv i v oa l s oa l o n gw i t h l o p m e n to fa c u t ep a n c r e a t i t i s . a u t o l y s i si n d u c i n gn e c e s s a r i l yr e s u l t i n go c c u r r e n c e andd引 e Ash a sbeend e s c r i b e di nt h ea b o v e ,l y s o s o mmembrane h a sl i p o p r o t e i n b a r r i e r ,andi nt h i s r e s p e c ti ti sassumedt h a tphospholipaseλpresumably p a r t i c i p a t e si nt h i sp r o c e s s . ト ι 4叫 e r a lu n e x p l o r e dp r o b l e m si nt h ee x p l a n a t i o no fe t i o l o g yo fa c u t ep a n c r e a t i t i s ,a s h a sb e e n donea t t r i b u t i n gt h ee s s e n t i a lf a c t o rt ot r y p s i n andr e g u r g i t a t i o no fb i l ei n t ot h e p a n c r e a t i cd u c t ,c a nb ec l a r i f i e d ,t osomee x t e n t , by i n t r o d u c i n gt h ec o n c e p to fp a r t i c i p a t i o no fp h o s p h o l i p a s eA . By t h er e g u r g i t a t i o no fb i l eabundanti nb i l ea c i d ,p h o s p h o l i p a s e λinp a n c r e a t i cj u i c ei sa c t i v a t e d , which t h e nd i r e c t l ya f f e c t membranouscomponentso f c e l l弓 , o rl e c i t h i n ,a b u n d a n t l y じo n t a i n e di np a n c r e a t i ct i s s u eo rb i l e ,i s decomposedandl y ・ s o l e c i t h i ni sp r o d u c e d , whichi n d i r e c t l ya c t sont h ec e l l s . I ti s assumed tha~ t h ec e l l sa r e UN ETIOLOGY ANDPATHOPHYSIOLOGY OFλCUTEP,c\~Ch'.EATITIS 1 0 1 t h u sd e s t r u c t e d and r u p t u r e so c c u ri nt hヒ s m a l lb r a n c h e so ft h ep a n c r e a t i cd u c t . Thus, o n c ei n j u r e dc e l l sa r ef u r t h e ra f f e c t e d by p r o t e o l y t i c enzyme, and t r y p s i n o g e ni sa c t i v a t e d by l y s o s o m a le n z y m e s ,a l o n gw i t ha c t i v a t i o no ft r y p s i n o g e n by t r y p s i ni t s e l f 4り. Frome x p e r i m e n t a lr e s u l t smentioneda b o v e ,i ti sassumed t h a tp a t h o p h y s i o l o g i cp r o c e s s a d v a n c e sc e n t e r i n garound t h ep r i n c i p a lr o l eo ft r y p s i n ,underp r e v i o u s l yi n d u c e dp a t h o l o g i c c o n d i t i o nt r i g g e r e d by p h o s p h o l i p a s e A,w i t hr e s u l t i n gf u r t h e rdevelopmento fa c u t ep a n c r e a t i t 1 s . V . SUMMARY I th a s been c o n s i d e r e dt h a tv a r i o u sp a n c r e a t i c enzymes a r ea c t i v a t e da ta c u t ep a n c r e a t i t i sande m i g r a t e sfromt h ep a n c r e a s ,b e i n gd i s t r i b u t e dt ot h ewholebodyt op r e s e n tc h a r a c t e r i s t i cc l i n i c a lp i c t u r eo ft h ed i s e a s e , and t h e s e enzymes havei m p o r t a n ti n f l u e n c eon t h e p r o g n o s i s . P h o s p h o l i p a s eA .h a s been s a i dt obea b u n d a n t l yc o n t a i n e di nt h ep a n c r e a sand s t u d i e don i t st o x i c i t y ,b u tt h i s enzyme h a sn o t been f u l l ye v a l u a t e d from t h ev i e w p o i n t o fe t i o l o g i cf a c t o rand p a t h o p h y s i o l o g i cr o l ei na c u t ep a n c r e a t i t i s . I nt h ep r e s e n te x p e r i m e n t ,a c u t eb i l i a r yp a n c r e a t i t i swasp r o d u c e di n dogsand b e h a v i o ro fp h o s p h o l i p a s e A was s t u d i e di nt h e s ea n i m a l s . F u r t h e ri n v e s t i g a t i o n s werec a r r i e do u ton t h ed i r e c ti n f l u e n c e o fp h o s p h o l i p a s e A on o r g a n i s m , ando b t a i n e dr e s u l t sa r e summarizeda sf o l l o w s: 1 ) A c t i v i t yo fp h o s p h o l i p a s e A wase x t r e m e l yh i g h even i nt h ep a n c r e a so f normal d o g s . Thisa c t i v i t yi nt h ep a n c r e a si n c r e a s e da sa c u t ep a n c r e a t i t i swasp r o d u c e d ,w i t ht h e s i m u l t a n e o u si n c r e a s ei nt h ea c t i v i t yo fp h o s p h o l i p a s eA.int h el i v e r ,p o r t a lb l o o d ,p e r i p h e r a l b l o o d andp e r i t o n e a lf l u i d ,t h ed e g r e eo fi n c r e a s eh e i n g mosto u t s t a n d i n gi np o r t a lb l o o d . 2 ) There wasat e n d e n c yt h a tt h ee a r l i e rand t h es t r o n g e r was t h ei n c r e a s ei nt h e a c t i v i t yo fp h o s p h o l i p a s e A, t h ee a r l i e rt h ea n i m a l sd i e d . Thisf i n d i n gwasmostremarkab l ea st ot h ea c t i v i t yo fp h o s p h o l i p a s eA i np o r t a lb l o o dand t h el i v e r . 3 ) When p h o s p h o l i p a s e A wasi n f u s e di n t ot h ep o r t a lv e i no rf e m o r a lv e i no fd o g s , markedd e c r e a s e di na r t e r i a lp r e s s u r e was t e m p o r a r i l yo b s e r v e d , which s h o r t l yr e s t o r e dt o normal l e v e lw i t h o u tf a l l i n gi n t os h o c ks t a t e . E x p e r i m e n t a la n i m a l sw i t hp h o s p h o l i p a s eA i n f u s i o ni n t ot h ef e m o r a lv e i n improved t h e r e a f t e rand s u r v i v e d , whereas t h o s ew i t ht h e i n f u s i o ni n t ot h ep o r t a lv e i nd i e da p p r o x i m a t e l y 20 h o u r sl a t e r . Autopsyf i n d i n g so ft h e s e a n i m a l sr e v e a l e d marked c h a n g e si nt h el i v e r . 4 ) P h o s p h o l i p a s eA i n f u s i o ni n t ot h er e t r o p e r i t o n e a ls p a c er e s u l t e di nl i t t l ef l u c t u a t i o no fb l o o dp r e s s u r ef o r2h o u r sa f t e rt h ei n f u s i o n . Two e x p e r i m e n t a la n i m a l so u to f 3 ,h o w e v e r ,d i e da p p r o x i m a t e l y 20 h o u r sa f t e rt h ei n f u s i o n . Autopsy f i n d i n go ft h e s e2 a n i m a l sr e v e a l e dl i t t l e change i nt h ep a n c r e a s ,l i v e r and o t h e ro r g a n s . 5 ) V a r i o u samount o fp h o s p h o l i p a s e A wasi n f u s e di n t ot h ep a n c r e a t i cd u c to fd o g s t o g e t h e rw i t hsodiumd e o x y c h o l a t e . Acutep a n c r e a t i t i so fv a r i o u sd e g r e eι ‘ o u l d beo b s e r v e d dependingupont h e amount o fi n f u s e dp h o s p h o l i p a s e A. From t h e s ef i n d i n g s ,i ti sassumed t h a ta sp h o s p h o l i p a s eA i nt h ep a n c r e a sw i t hi t s i n c r e a s e da c t i v i t ya ta c u t ep a n c r e a t i t i se m i g r a t e si n t op o r t a lb l o o dt or e a c ht h el i v e r ,o r e x u d a t i v ef l u i dw i t hh i g ha c t i v i t yo fp h o s p h o l i p a s eA i n f i l t r a t e sd i r e c t l yi nt h er e t r o p e r i t o n e a ls p a c e , organism r e c e i v e ss e r i o u si n f l u e n c 、 じ I ti sa l s oassumed t h a tp h o s p h o l i p a s eA . 汎t it i s . p l a y sani m p o r t a n tr o l ei nt h ee t i o l o g i cp r o c e s so fa c u t ep a n c r L As wasc l a r i f i e di nt h ep r e s e n te x p e r i m e n t ,p h o s p h o l i p a s eA p l a y sn e v e r le~s i m - 1 0 2 日・外・ 宝 第38巻封印 1号 ( 昭和ll ' i f :1月 ) portant r o l e than t r y p s i n , even though not more, in e t i o l o g i c process and pathophysiology of acute p a n c r e a t i t i s , and i ti s assumed t h a t several unexplored problems in the explanation of etiology and pathophysiology of acutep a n c r e a t i t i s , as has beendonea t t r i b u t i n gt h e princip alfactor t ot r y p s i n , can beexplained t o some extent by introducing the concept o f p a r i t i c i p a t i o n of phospholipase A . Accom p l is h i ng t h ep r e s e n ts t u d, ・ .t h ea u t h o re xp r 出回 h isd配 p e stg r at i t u det oP1 of .D r .l r n 1 0HoNJ Of o rh i s v al u a b lea dvi s e sa n de n t h u s i a, t ic s u p e r v i s i o n ,t h ea u t h o ri sa l 田 g r a t e f u lt o Dr.Rv u z 1, ¥ 1 1 z u M O T Of o rh i sk i n d h e l p sande n c o u r a g e m e n t s . Th eg i s to ft h i sa r t i c l ewasr e p o r t e da t5 3 r dAnn u a lM e e t i n go fJ a p a n e s e沿c ci e t yo fG a s t r o e n t e r o l o g y . V I . REFERENCES ぺJ Aka b o r i,S . :1 リ ; ,oso-kenkyuhoI I .I I I . A刈 l 叫 a s h o t e n ,T o k y o ,l , リ)l j, 2〕 Ande r s ο n ,M.C . :H e p a t i cm o r p h o l o g ya n df u n c t i o n .A l t e r a t ion sa s s o c i at e dw i t ha c u t ep a n c r e at i t is . Ar c h . Sur .9 2 :6 6 4 . 1%6. 3 ) . ¥ n d < ・ r < >m,M.C. S c h o e n f e l d ,F.B . ,I a m s , W.B .a n d Suwa,M. : ぐuc u l a t o r yc h a n g e si na c u t ep a n c r e at i t is .Su r .C l i n . 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The3 r dWor l dCon g r e s so fG a s t r o e n t e r o l o g y ,To k y o, 1 9 6 6 . 1 4) C r e u t z f e l dt ,W.,S o e l i n g ,H.D .undK e t t e r e r , H.:I n t r a p a n k r e a ti s c h eAkt i v i e r u ng vonp r o t e o l y t i s c h e nF e r m e n t e nundT r a s y l o l w i r k u n gb e id e re x p er i m e n t e l l e nP a n k r e a t i t isd e rR a t te .K l i n .W s c h r . ,4 1:1 0 0 2 ,1 9 6 3 . 1 5) D a w s o n ,R.M.C . : Thea n i m a l ph o s ph o i l 』p a s e . Th 白rs t r uc tu r e ,meta bol i sm andb iol o g i c a ls i g n i f i g a n c e . 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M e d . ,57 :5 8 6 ,1 9 6 1 . 9 9 ) Z i e v e ,L . ,V o g e l , W.C. andK e l l y , W.D.: S p e c i e sd i f f e r e n c ei np a n c r e a t i cl i p o l y t i canda m y l o l y t i ce n z y m e s . ] .A p p l .P h y s i o l . ,1 8 :7 7 ,1 9 6 3 . 。 司 ( * i nJ a p a n e s e ) ) 年 1月 巻 第 l号 ( 昭 和」l 8 J ・外・宝第 3 I 6 0 1 和文抄録 急性牌炎の 病因及び病 態生理 殊に phospholipase A 京都大学医宇部外科 の関与 について 指導:;本庄一夫教授) ,1講座 ( f ) 畑 尾 正 従来より,急性勝炎の病因あるいは病態生理が論ぜ , と l 彦 eA s a p i l o h p s o h 日脈血,末梢血,腹腔液中の p ,F I H nが演ずる役割の i , ryp 乙t ,蛋自分解酵素殊l 1 られ ゐ以 : は,門脈血において最 ど ; ' . 活性も克進し,その冗進のね I 極めて重要なこと は,一般に広く認められているとこ dskは i o p i nが l i , p tは tn・ d e t ろである.一方, Drags も著明であった. lによ り川成さ a i r e t a dm i o p i 作用せず,また細胞膜が l l死亡するという傾向が のほ コ,勝炎作成後.短時間ζ 川口を中心とせる概念に ryp れていることから,乙の t 認められ,これは門脈血及び肝において最も明瞭であ 丸 鈴木,藤山, はじめて疑問をい だいたが,その ( った. eA 活性の充進せるも s a p i l o h p s ) 早期に強く pho 2 , Beck らは胆汁性勝炎における勝組織 Fi~ ま k c a b r e v Ha eAを犬の門脈内または大腿静脈内 s a p i l o h p s o h 3〕 p ζ n活性を認めず,更に形態学的l i s たは勝液中lζtryp l著明の動脈庄下降が認められた ζ l ζ注入すると一過性 C陥 kI c o h ま s 正常域に復しそのま が,乙れは関もなく n によるそれとは異なっている i s ηp も胆汁性勝炎は t <管内活入が必 ; i J ll のI I r、p、 ことが指摘され,また活性 t n一辺倒の考え方 i s p y r ずしも隣炎を惹起しないなど, t c対する批判も少なくない. t 乙 石川は,犬の実験 的急性体駿死にお いて,肝内 l eぐ活性が元進して致死的因子となり得る s a p i l o h p s o h p 乙 乙とを示したが, 勝l l fa c t< •r と等しく a h t e 乙の l ることはなかった. 大腿静脈内注入犬は,その後元気 時間 0 C回復,生存 したか,門脈内注入犬は注入後約 2 I ζ 強い変化が認められ た. で死亡した.剖検で肝l 乙注入したと乙 eA を犬の後腹膜l s a p i ol ph s ) pho l 民 ろ,注入後 2時闘の観察では殆んど血圧の変動を示さ 時間後には. 3頭の実験犬のうち 2 なかったが,約20 eλ の豊富に存 as p i l o h p s 乙作用する pho dl i p i l o h p s o h p ζ著変を認 頭は死亡し た.剖検で,肝,勝等の諸臓器l 在する乙とが B6kayの報告以 来.広く知られて居り, ar と か,B l ¥ζ強い毒性のあるこ 'e, " P li o h p s o h また p めなかった. d n ga i ,Gre r e n m u dS n da ar ga y ' ¥ ,! n ha ks a d n i v a r ¥ ,. a c n a g eA の種々の量を,犬 の 主体管内 s a p i ol h p s o h 5) p eとともに注入せるとこ ろ,注 t a l o h c y ox odiumde l,s ζ s らによって明らかにされている . n o b b i G 急性腺炎の際,各慈の!洋酵素が活性化され閥質内に 伴炎の発生せる乙とが認め ζ応じて種々のも:肢の 1 入量l ζ 逸脱して化学的自己融解現象を招き,あるいは全身l くり,予後に l 拡がって,この疾病ζ特有の病像を形づ ・ i l o h p s o 附 ζ活性完遂せる ph ζ 際してj 以上,急性勝炎i ,あるいは 逸脱して肝に流入し l \が,門脈血中ζ e. s a p 、 重大な影響を及ぼすものと考えられているが,勝にイ eA 活性の高い疹出液が直接浸 s a p i l o h p s 後腹膜に pho ,豊富に存在 し.しかも強い毒性を有する ものであ jミ ζ 関しては, ζれ l λ e s a p i l o h p s o h るといわれながら p 潤すると,生体は重大な悪影響をこうむるものである i l o h p s o h と考えられる.また,勝炎発生機序の上でも p まで,あまりかえりみられていなかった.今回の実験 e s a ip l o h p s o 汁性の急性隣炎を作成して, ph ! E H では,犬! C P• "t' λ (工大き な役割を架しているものと考えられ る . ζ及 A活性の動態を検索 し,更にこの酵素の直接生体l . : t ! . i [ます影響についても検討を飢 え ,次の結'~'.;;;\;' λ e s a p i l o h p 陥 ζ極めて高い phos 1) 正常の犬でも, l られた. 今回の実験で明らかにされた如く ,急性肺炎の病因 ζ優 nl i s p y r eA は t s a p i ol h p s o h 及び病態生理の上で p 活性が認め られた. 急性勝炎を作成すると, ζ の脈内 ると も劣らぬ重要な役割を演じているものであ り,従 nを中心とせる概念のみにては説明し得なか i s r、p 米 t ζ,ある 限度の解明を与えるも つかの間題点l く ったい eA 活性は更に冗進した か. それと同時 s a p i l o h p s pho のといえよう.