Human P40 T-cell growth factor (interleukin-9) supports erythroid colony formation.


Because human P40 T-cell growth factor, tentatively designated interleukin-9 (IL-9), was isolated through its ability to stimulate a human IL-3-dependent leukemic cell line (M-O7E), we tested the ability of IL-9 to support the growth and differentiation of normal hematopoietic progenitor cells from peripheral blood and bone marrow. Although the M-O7E cell… (More)

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