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Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Gen+Virol 2020 ; 101 (10): 1079-1084 Nephropedia Template TP
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Antiviral and virucidal effects of curcumin on transmissible gastroenteritis virus in vitro #MMPMID32677610
Li Y; Wang J; Liu Y; Luo X; Lei W; Xie L
J Gen Virol 2020[Oct]; 101 (10): 1079-1084 PMID32677610show ga
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 microM resulted in a reduction in viral titres of 3.55 log TCID(50) ml(-1), 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.
|Animals[MESH]
|Antiviral Agents/*pharmacology[MESH]
|Cell Line[MESH]
|Curcumin/*pharmacology[MESH]
|Gastroenteritis, Transmissible, of Swine/*drug therapy[MESH]