Histone Deacetylase Inhibitors: Overview and Perspectives

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Abstract
Histone deacetylase inhibitors (HDACi) comprise structurally diverse compounds that are a group of targeted anticancer agents. The first of these new HDACi, vorinostat (suberoylanilide hydroxamic acid), has received Food and Drug Administration approval for treating patients with cutaneous T-cell lymphoma. This review focuses on the activities of the 11 zinc-containing HDACs, their histone and nonhistone protein substrates, and the different pathways by which HDACi induce transformed cell death. A hypothesis is presented to explain the relative resistance of normal cells to HDACi-induced cell death. (Mol Cancer Res 2007;5(10):981–9)