Monoclonal antibodies specific for H-2K and H-2D antigens on cytotoxic T cells can inhibit their function

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Antibodies specific for murine major histocompatibility gene complex (MHC) class I H-2K and H-2D molecules present on cytotoxic T (Tc) cells have been shown to inhibit their function of target cell lysis. This could only be demonstrated by using a more sensitive assay for T-cell-mediated lysis, and many monoclonal antibodies of different Ig class, origin, and specificity can be shown to inhibit alloreactive as well as MHC-restricted Tc cells. These antibodies inhibit different activated T-cell populations to varying extents, and anti-H-2K but not anti-H-2D antibodies show a synergistic effect with anti-Lyt-2 antibodies. Data here suggest that MHC molecules may be located in or near the T-cell receptor complex on these cells.

Original languageEnglish
Pages (from-to)1443-1447
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number5
Publication statusPublished - Mar 1986
Externally publishedYes


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