In order to investigate the potential of human ERMAP gene in erythroid cell differentiation, K562 cells were induced to erythroid lineage by Ara-C and to macrophage lineage by TPA, human ERMAP mRNA was detected by fluorescent quantitative PCR. The results showed that human ERMAP mRNA increased while K562 cells were induced to erythroid lineage after treatment with Ara-C at 2.5 x 10(-6) mmol/L/L and 1.0 x 10(-6) mmol/L/L. Human ERMAP mRNA not changed while K562 cells were induced to macrophage lineage after treatment with TPA at 2.0 x 10(-6) mmol/L/L and 1.0 x 10(-6) mmol/L/L. It is concluded that human ERMAP gene plays an important role in differentiation and proliferation of erythroid cells.
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