Article Publish Status: FREE
Abstract Title:

Curcumin is a promising inhibitor of genotype 2 porcine reproductive and respiratory syndrome virus infection.

Abstract Source:

BMC Vet Res. 2017 Oct 10 ;13(1):298. Epub 2017 Oct 10. PMID: 29017487

Abstract Author(s):

Taofeng Du, Yunpeng Shi, Shuqi Xiao, Na Li, Qin Zhao, Angke Zhang, Yuchen Nan, Yang Mu, Yani Sun, Chunyan Wu, Hongtao Zhang, En-Min Zhou

Article Affiliation:

Taofeng Du


BACKGROUND: Porcine reproductive and respiratory syndrome virus (PRRSV) could lead to pandemic diseases and huge financial losses to the swine industry worldwide. Curcumin, a natural compound, has been reported to serve as an entry inhibitor of hepatitis C virus, chikungunya virus and vesicular stomatitis virus. In this study, we investigated the potential effect of curcumin on early stages of PRRSV infection.

RESULTS: Curcumin inhibited infection of Marc-145 cells and porcine alveolar macrophages (PAMs) by four different genotype 2 PRRSV strains, but had no effect on the levels of major PRRSV receptor proteins on Marc-145 cells and PAMs or on PRRSV binding to Marc-145 cells. However, curcumin did block two steps of the PRRSV infection process: virus internalization and virus-mediated cell fusion.

CONCLUSIONS: Our results suggested that an inhibition of genotype 2 PRRSV infection by curcumin is virus strain-independent, and mainly inhibited by virus internalization and cell fusion mediated by virus. Collectively, these results demonstrate that curcumin holds promise as a new anti-PRRSV drug.

Study Type : In Vitro Study

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Sayer Ji
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