Evidence for distinction of the differentiation-inducing activities and cytostatic properties of 9-(2-phosphonylmethoxyethyl)adenine and a variety of differentiation-inducing agents in human erythroleukemia K562 cells.

Abstract excerpt

The acyclic nucleoside phosphonate derivative 9-(2-phosphonylmethoxyethyl) adenine (PMEA) is a strong inducer of differentiation in several tumor cell lines, including human erythroleukemia K562 cells. A PMEA-resistant K562 cell line (designated K562/PMEA-1) was selected in the presence of escalating PMEA concentrations. This cell line proved to be insensitive to the induction of erythroid differentiation by...

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