Interferon-y-olike molecule induces Ia antigens on cultured mast cell progenitors ( P cells / lymphokines / antigen-specific T-cell clone / major histocompatibility antigens )

Abstract

Persisting (P) cells (murine cells that resemble mast cells and grow continuously in vitro for prolonged periods in the presence ofa specific growth factor) did not express detectable levels of Ia antigens (murine class II major histocompatibility antigens) when their growth was supported by partially purified P cell-stimulating factor. However, when these… (More)

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