T cell reactivity to MHC molecules: immunity versus tolerance.

  title={T cell reactivity to MHC molecules: immunity versus tolerance.},
  author={Jonathan Sprent and E K Gao and Susan R. Webb},
  volume={248 4961},
The specificity of mature CD8+ and CD4+ T lymphocytes is controlled by major histocompatibility complex (MHC) class I and class II molecules, respectively. The MHC class specificity of T cells is stringent in many assays, but is less evident when cells are supplemented with exogenous lymphokines. The repertoire of T cells is shaped through contact with MHC molecules in the thymus and involves a complex process of positive selection and negative selection (tolerance). Tolerance of immature T… CONTINUE READING
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