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Article Publish Status: FREE
Abstract Title:

Antiviral and virucidal effects of curcumin on transmissible gastroenteritis virus.

Abstract Source:

J Gen Virol. 2020 Jul 17. Epub 2020 Jul 17. PMID: 32677610

Abstract Author(s):

Yaoming Li, Jing Wang, Yinchuan Liu, Xiang Luo, Weiqiang Lei, Lilan Xie

Article Affiliation:

Yaoming Li

Abstract:

Emerging coronaviruses represent serious threats to human and animal health worldwide, and no approved therapeutics are currently available. Here, we used Transmissible gastroenteritis virus (TGEV) as the alpha-coronavirus model, and investigated the antiviral properties of curcumin against TGEV. Our results demonstrated that curcumin strongly inhibited TGEV proliferation and viral protein expression in a dose-dependent manner. We also observed that curcumin exhibited direct virucidal abilities in a dose-, temperature- and time-dependent manner. Furthermore, time-of-addition assays showed that curcumin mainly acted in the early phase of TGEV replication. Notably, in an adsorption assay, curcumin at 40 µM resulted in a reduction in viral titres of 3.55 log TCIDml, indicating that curcumin possesses excellent inhibitory effects on the adsorption of TGEV. Collectively, we demonstrate for the first time that curcumin has virucidal activity and virtual inhibition against TGEV, suggesting that curcumin might be a candidate drug for effective control of TGEV infection.

Study Type : In Vitro Study

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Sayer Ji
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