Serine protease inhibitor AEBSF reduces dengue virus infection via decreased cholesterol synthesis

Virus Research
Liji SreelathaThawornchai Limjindaporn

Abstract

Dengue virus (DENV) infection has evolved into a major global health menace and economic burden due to its intensity and geographic distribution. DENV infection in humans can cause a wide range of symptoms including dengue fever (DF), dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). An antiviral agent that is effective against all four serotypes of DENV is urgently needed to prevent and to manage this condition. Reducing the viral load during the early phase of infection may minimize the chance of patients progressing to more severe DHF or DSS. In this study, we set forth to investigate the anti-viral effect of five commercially available protease inhibitors on DENV infection since both viral and host proteases can contribute to effective viral replication. Previously, the serine protease inhibitor AEBSF [4-(2-aminoethyl) benzene sulfonyl fluoride] has been shown to inhibit DENV NS3 protease activity. The results of the present study revealed that DENV genome replication and protein synthesis were significantly inhibited by AEBSF in a dose-dependent manner. AEBSF inhibited the expression of genes such as 3-hydroxy 3-methyl-glutaryl-CoA synthase (HMGCS), 3-hydroxy-3-methyl-glutaryl-CoA reductase (HMGCR), and low-d...Continue Reading

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Citations

Feb 29, 2020·Journal of Biomolecular Structure & Dynamics·Vivek Dhar DwivediSang Gu Kang

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