H P Koeffler, M Bar-Eli, M Territo
J Clin Invest.
1980;
66(5):1101–1108
doi:10.1172/JCI109939
This article Copyright © 1980, The American Society for Clinical Investigation
Abstract
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P
horbol esters, including 12-O-tetradecanoylphorbol 13-acetate (TPA), induce terminal macrophagelike differentiation of cells from human acute myelogenous leukemia lines. We report that myelogenous leukemia cells obtained from patients undergo macrophagelike differentiation after exposure to TPA. The myeloid leukemic cell cultured with TPA became adherent to charged surfaces with long filamentous pseudopodia; developed positive staining for alpha-napthyl acetate esterase, increased lysozyme secretion, reduced nitroblue tetrazolium, and acquired the ability to phagocytose candida. Cells from patients with lymphocytic leukemia did not become macrophagelike when cultured with TPA.
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