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Review
. 2021 Mar 22;11(3):223.
doi: 10.3390/jpm11030223.

Histone Deacetylase Inhibitors in the Treatment of Hepatocellular Carcinoma: Current Evidence and Future Opportunities

Affiliations
Review

Histone Deacetylase Inhibitors in the Treatment of Hepatocellular Carcinoma: Current Evidence and Future Opportunities

Nikolaos Garmpis et al. J Pers Med. .

Abstract

Hepatocellular carcinoma (HCC) remains a major health problem worldwide with a continuous increasing prevalence. Despite the introduction of targeted therapies like the multi-kinase inhibitor sorafenib, treatment outcomes are not encouraging. The prognosis of advanced HCC is still dismal, underlying the need for novel effective treatments. Apart from the various risk factors that predispose to the development of HCC, epigenetic factors also play a functional role in tumor genesis. Histone deacetylases (HDACs) are enzymes that remove acetyl groups from histone lysine residues of proteins, such as the core nucleosome histones, in this way not permitting DNA to loosen from the histone octamer and consequently preventing its transcription. Considering that HDAC activity is reported to be up-regulated in HCC, treatment strategies with HDAC inhibitors (HDACIs) showed some promising results. This review focuses on the use of HDACIs as novel anticancer agents and explains the mechanisms of their therapeutic effects in HCC.

Keywords: HCC; HDAC; HDACI; anticancer; deacetylase; epigenetic; hepatocellular carcinoma; histone; inhibitors; targeted; therapeutics.

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Conflict of interest statement

All authors declare that there is no conflict of interest.

Figures

Figure 1
Figure 1
The structure of the nucleosome and the action of histone acetyltransferases and histone deacetylases.

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