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- _4 value "Mafb is specifically expressed in myelomonocytic cells and binds to the DNA-binding domain of Ets-1 via its basic region or leucine-zipper domain. Furthermore, it represses Ets-1 transactivation of synthetic promoters containing Ets binding sites and inhibits Ets-1-mediated transactivation of the transferrin receptor, which is known to be essential for erythroid differentiation. Accordingly, overexpression of MafB in an erythroblast cell line down-regulates the endogenous transferrin receptor gene and inhibits differentiation without affecting cell proliferation" provenance.
- _4 wasQuotedFrom 8620536 provenance.