Title : Phorbol ester enhancement of IL-3-dependent proliferation of primitive hematopoietic progenitors of mice in culture.

Pub. Date : 1997 Jan

PMID : 8996200






4 Functional Relationships(s)
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1 Although TPA alone did not support colony formation, TPA in combination with IL-3 increased colony numbers from 1.5 to 2 times that formed with IL-3 and vehicle. Tetradecanoylphorbol Acetate interleukin 3 Mus musculus
2 Because TPA enhanced IL-3-dependent colony formation derived from lineage-negative marrow cells obtained from mice that received 5-FU 2 days before, it is possible that it might act directly on primitive progenitors. Tetradecanoylphorbol Acetate interleukin 3 Mus musculus
3 Calphostin C, a specific PKC inhibitor, and certain specific tyrosine kinase inhibitors, such as genistein and herbimycin A, abrogated the enhancing effects of TPA on IL-3-dependent colony formation. Tetradecanoylphorbol Acetate interleukin 3 Mus musculus
4 These data suggest that TPA had a direct effect on the primitive progenitors and enhanced IL-3-dependent colony formation via activation of PKC and certain tyrosine kinases. Tetradecanoylphorbol Acetate interleukin 3 Mus musculus