Functional and phenotypic properties of subpopulations of murine thymocytes.I. The bulk of peanut agglutinin‐positive Lyt‐1,2,3 thymocytes lacks precursors of cytotoxic T lymphocytes responsive to interleukin 2 (T cell growth factor)

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Abstract
Thymocytes were separated according to their surface phenotype and tested for cytotoxic T lymphocyte (CTL) precursor function by stimulation with allogeneic or hapten-coupled cells, with or without addition of T cell growth factor (interleukin 2). The data show that only a minor subpopulation of thymocytes agglutinated by peanut agglutinin, expressing relatively high amounts of H-2K antigen, contained CTL precursors. The remaining population, approximately 80%, could not be induced to generate CTL, even in the presence of interleukin 2.