Histone Deacetylase Inhibitory and Cytotoxic Activities of the Constituents from the Roots of Sophora Pachycarpa

Document Type : Research article

Authors

1 Department of Pharmacognosy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.

2 Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran, Iran.

4 Department of Pharmacognosy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran

5 Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.

Abstract

Four prenylated flavonoids including isosophoranone, sophoraflavanone G, alopecurone J, alopecurone P and a resveratrol derivative HPD (2-(4-hydroxyphenyl)-2,3-dihydrobenzo[b] furan-3,4,6-triol), were isolated from the roots of Sophora pachycarpa. The cytotoxic activity of obtained compounds was evaluated against A2780, A549, HeLa, and HCT116 human cancer cell lines. We also evaluated their histone deacetylase (HDAC) inhibitory activities. Of all compounds tested, alopecurone J was the most active with IC50 values in the range of 9.97−30.91 μM against four cancer cell lines with potent pan-HDAC inhibitory activity (IC50=0.08−3.85 μM). Molecular docking experiments of these compounds with HDAC8 displayed potential selective HDAC inhibitory. Molecular docking data showed consistent results to the in vitro experiments with the high selectivity towards HDAC8. Resveratrol group plays an important role in HDAC inhibition.

Graphical Abstract

Histone Deacetylase Inhibitory and Cytotoxic Activities of the Constituents from the Roots of  Sophora Pachycarpa

Keywords


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