Trichostatin A (58880-19-6) is a potent and selective histone deacetylase (HDAC) inhibitor (K_i = 3.4 nM). Induces reversion of ras transformed cells to normal morphology. Trichostatin A induces dedifferentiation of primordial germ cells into embryonic germ cells. Cell permeable and active in vivo.

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