Trichostatin A (TSA) hemmt die Histon-Deacetylase in Konzentrationen im Nanomolbereich; die resultierende Histon-Hyperacetylierung führt zu Chromatinrelaxierung und Modulation der Genexpression. Kann an der Zellzyklusprogression verschiedener Zelltypen beteiligt sein, induziert Zellwachstumsarrest sowohl in der G- als auch in der G/M-Phase; kann Apoptose induzieren. Verstärkt die Wirksamkeit von Antikrebsmitteln, die gegen die DNA gerichtet sind. Trichostatin A dient als epigenetischer Modifikator.
Trichostatin A hemmt die Histon-Deacetylase in Konzentrationen im Nanomolbereich; die resultierende Hyperacetylierung der Histone führt zu Chromatinrelaxierung und Modulation der Genexpression.
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