TIP30 Inhibits Oligodendrocyte PrecursorCell Differentiation via CytoplasmicSequestration of Olig1

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  Differentiation of oligodendrocyte precursor cells (OPCs) is a prerequisite for both developmental myelination and adult remyelination in the central nervous system.The molecular mechanisms underlying OPC differentiation remain largelyunknown.Here,we show that the thirty-kDa HIV-1 Tat interacting protein (TIP30) is a negative regulator in oligodendrocyte development.The TIP302/2 mice displayed an increased myelin protein level at postnatal day 14 and 21.
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