Design, Synthesis and Biological Evaluation of Novel Galloyl Derivatives as HIV-1 RNase H Inhibitors

Ping Gao, Xueshun Wang, Lin Sun, Xiqiang Cheng, Vasanthanathan Poongavanam, Jacob Kongsted, Mar Álvarez, Joanna Luczkowiak, Christophe Pannecouque, Erik De Clercq, Kuo-Hsiung Lee, Chin-Ho Chen, Huiqing Liu, Luis Menéndez-Arias, Xinyong Liu, Peng Zhan

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Abstrakt

Human immunodeficiency virus (HIV) reverse transcriptase (RT)-associated ribonuclease H (RNase H) remains as the only enzyme encoded within the viral genome not targeted by current antiviral drugs. In this work, we report the design, synthesis, and biologic evaluation of a novel series of galloyl derivatives with HIV-1 RNase H inhibitory activity. Most of them showed IC 50 s at sub- to low-micromolar concentrations in enzymatic assays. The most potent compound was II-25 that showed an IC 50 of 0.72 ± 0.07 μM in RNase H inhibition assays carried out with the HIV-1 BH 10 RT. II-25 was 2.8 times more potent than β-thujaplicinol in these assays. Interestingly, II-25 and other galloyl derivatives were also found to inhibit the HIV IN strand transfer activity in vitro. Structure–activity relationships (SAR) studies and molecular modeling analysis predict key interactions with RT residues His539 and Arg557, while providing helpful insight for further optimization of selected compounds.

OriginalsprogEngelsk
TidsskriftChemical Biology & Drug Design
Vol/bind93
Udgave nummer4
Sider (fra-til)582-589
ISSN1747-0277
DOI
StatusUdgivet - 1. apr. 2019

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