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Identification of T cell lymphoma tumor antigens on human T cell lines
Author(s) -
Kaplan Joseph,
Tilton Jerel,
Peterson Ward D.
Publication year - 1976
Publication title -
american journal of hematology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.456
H-Index - 105
eISSN - 1096-8652
pISSN - 0361-8609
DOI - 10.1002/ajh.2830010206
Subject(s) - cytotoxic t cell , antigen , cell culture , cytotoxicity , antiserum , lymphoblast , lymphoma , leukemia , microbiology and biotechnology , immunology , biology , in vitro , biochemistry , genetics
All human T lymphoblast cell lines have been derived from subjects with leukemia secondary to thymic lymphoblastic lymphoma, a T cell malignacy, suggesting that such lines represent established cultures of neoplastic T cells. Based on this observation, we prepared rabbit antisera to T cell line HSB‐2, removed reactivity for histocompatibility antigens and normal T cells by absorption with autocthonous B cell line CCRF‐SB and normal thymocytes, and tested the absorbed antisera by complement‐dependent cytotoxicity against a panel of normal and malignant cells. A representative antiserum reacted with all 4 T cell lines (mean cytotoxic index = 56) and with tumor cells from 4 patients with T cell lymphma (mean cytotoxic index = 50) but did not react with tumor cells from 6 patients with other types of leukemias (mean cytotoxic index = 2), with 3 B cell lines (mean cytotoxic index = 1), normal peripheral blood lymphocytes (mean cytotoxic index = 5), or normal thymocytes (mean cytotoxic index = 6). We conclude that appropriately absorbed antisera to human T cell lines detect T cell lymphoma tumor antigens.