Diacylglycerols mimic phorbol diester induction of leukemic cell differentiation.

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Diacylglycerols mimic phorbol diester induction of leukemic cell differentiation.

Activation of cellular protein kinase C appears to be involved in the mechanism by which phorbol diesters induce differentiation of human myeloid leukemia cells (HL-60). Protein kinase C is thought to be physiologically activated by diacylglycerol derived from receptor-mediated phosphatidylinositol hydrolysis. sn-1,2-diacylglycerols with short saturated acyl side chains (C4-C10) were synthesize...

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Phorbol ester induction of leukemic cell differentiation is a membrane-mediated process.

Phorbol esters are potent inducers of macrophage-like differentiation in the HL-60 promyelocytic leukemia cell line. The sequence of events by which they bring about this transition is poorly understood. However, it is known that phorbol esters bind to the surface membrane of HL-60 cells and to various other cells as well. Our studies were directed toward determining the biologic importance of ...

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Tumor-promoting phorbol diester-induced specific changes in cell surface glycoprotein profile of K562 human leukemic cells.

The tumor-promoting phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), induced specific changes in the cell surface glycoprotein profile of K562 human leukemic cells. TPA-treated K562 cells were examined by cell surface labeling followed by immunoprecipitation with anti-glycophorin antiserum or anti-K562 antiserum. TPA-treated K562 cells lost glycophorin and glycoprotein with a molecula...

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Tumor-promoting Phorbol Diester-induced Specific Changes in Cell Surface Glycoprotein Profile of K562 Human Leukemic Cells1

The tumor-promoting phorbol ester, 12-O-tetradecanoylphorbol-13-acetate (TPA), induced specific changes in the cell surface glycoprotein profile of K562 human leukemic cells. TPA-treated K562 cells were examined by cell surface labeling followed by immunoprecipitation with anti-glycophorin antiserum or anti-K562 antiserum. TPA-treated K562 cells lost glycophorin and glycoprotein with a molecula...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 1985

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.82.3.815