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悪性リンパ腫の免疫組織化学 各種リンパ腫マーカーと抗原賦活処理
悪性リンパ腫の免疫組織化学染色 悪性リンパ腫の免疫組織化学 各種リンパ球マーカーと抗原賦活処理 DakoCyotmation, CO, LTD BioMedical Science Department 谷 洋一 悪性リンパ腫の免疫組織化学染色 Lymphoma ? LCA Cytokeratin S100 protein Lymphoma +* - - Carcinoma - + -/+ Melanoma - - + Sarcoma - - -/+ LCA-negative lymphoma: Anaplastic large cell lymphoma and lymphoblastic lymphoma 悪性リンパ腫の免疫組織化学染色 Pre pre B cell Pre B cell Precursor cells; antigen independent TdT CD79a CD19 CD20, CD22 Cytoplasmic CD22 CD10 Bcl-6 CD138 Immature B cell Mature B cell Virgin B cells; antigen independent Activate d B cell Plasma cell Germinal center & post GC cells; antigen dependent 悪性リンパ腫の免疫組織化学染色 B Cell lineage markers CD20 ( L26) - Positive in B cell lymphomas - Negative in plasmacytomas and plasmablastic lymphomas - B cell lymphoblastic lymphoma may be negative - Heat-induced epitope retrieval causes undesirable nuclear staining. CD79a (JCB117) - Positive in B cell lymphomas (97%) - Positive in plasmacytomas (50%) - Positive in B cell lymphoblastic lymphomas - May be positive in some T cell lymphoblastic lymphoma/ leukemias (6%) 悪性リンパ腫の免疫組織化学染色 Prothymocyte Subcapsular thymocyte Cortical thymocyte Medullary thymocyte Precursor cells Peripheral T cell Mature T cells TdT CD7 CD2 CD3 Cytoplasmic Surface CD4 CD4, CD8 CD1 CD8 悪性リンパ腫の免疫組織化学染色 T Cell lineage markers CD3 (Cytoplasmic) (Polyclonal Ab against CD3ε,monoclonal Ab, PS1, F7.2.38) -Highly sensitive and specific for T lineage -Positive in T / NK cell lymphomas (90% >) CD45RO (UCHL1) -Some T cell lymphomas are CD3 -/CD45RO+ - May be positive in myeloid cells and their tumors - Heat-induced epitope retrieval causes undesirable nuclear staining 悪性リンパ腫の免疫組織化学染色 Immunophenotyping of B or T cell lymphomas Antibody Precursor B cell Mature B cell Precursor T cell Mature T cell CD20 CD79a -(-+) + + + -(-+) - CD3 CD45RO CD7 CD1a -(-+) - - + -(-+) + + + + + - + - + - TdT Target Retrieval Methods for Major Primary Antibodies 悪性リンパ腫の免疫組織化学染色 CD20 CD79a bcl-2 Cyclin D1 min) CD5 (L26) ( JCB117) (124) (DCS-6) no treatment CB or TE buffer TE buffer TE buffer (4C7) TE buffer (95℃, 20 min) CD3 CD3 (Polyclonal) (PC3/188A) TE buffer (95℃, 20 min) CD45RO (UCHL1) CD7 (CBC.37) CD4 (IF6) CD8 (C8/144B) CD56 (1B6) Granzyme B (GrB-7) no treatment S1700 TE buffer TE buffer TE buffer TE buffer (95℃, (95℃, (95℃, (95℃, (95℃, CD15 CD30 Fascin min) ALK-1 (C3D-1) (Ber-H2) (55K-2) no treatment TE buffer CB or TE buffer (95℃, 20 min) (95℃, 20 – 40 (ALK1) TE buffer (95℃, 20 min) (95℃, 20 min) (95℃, 20 – 40 20 20 20 20 20 min) min) min) min) min) (95℃, 20 – 40 min) CB: Citrate Buffer(pH6.0) TE: Tris-EDTA(pH9.0) S1700: DAKO S1700 悪性リンパ腫の免疫組織化学染色 CD20(L26) and CD45RO(UCHL1) Heat-induced epitope retrieval causes undesirable nuclear staining CD20 CD45RO CD20 CD45RO 悪性リンパ腫の免疫組織化学染色 Mantle Cell lymphoma Cyclin D1 TRIS-EDTA (pH9.0) , 95℃ 20 min 悪性リンパ腫の免疫組織化学染色 NK/T cell lymphoma, cytotoxic phenotype CD8 CD56 TRIS-EDTA (pH9.0) , 95℃ 20 min Granzyme B 悪性リンパ腫の免疫組織化学染色 Anaplastic Large Cell Lymphoma (ALCL) ALK1 TRIS-EDTA (pH9.0) , 95℃ 20 min 悪性リンパ腫の免疫組織化学染色 Hodgkin lymphoma CD30 Fascin TRIS-EDTA (pH9.0) , 95℃ 20 min