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Abstract Title:

Inhibition of Herpes Simplex Viruses, Types 1 and 2, by Ginsenoside 20(S)-Rg3.

Abstract Source:

J Microbiol Biotechnol. 2019 Nov 6. Epub 2019 Nov 6. PMID: 31693840

Abstract Author(s):

Stephen M Wright, Elliot Altman

Article Affiliation:

Stephen M Wright

Abstract:

Infections by herpes simplex viruses have an immense impact on humans, ranging from self-limiting, benign illness to serious, life-threatening diseases. While nucleoside analog drugs are available, resistance has been increasing and currently no vaccine exists. Ginsenosides derived fromhave been documented to inhibit several viruses and bolster immune defenses. This study evaluated 12 of the most relevant ginsenosides fromfor toxicities and inhibition of herpes simplex viruses types 1 and 2 in Vero cells. The effects of test compounds and virus infection were determined using a PrestoBlue cell viability assay. Time course studies were also conducted to better understand at what points the virus life cycle was affected. Non-toxic concentrations of the ginsenosides were determined and ranged from 12.5µM to greater than 100 µM. Ginsenoside 20(S)-Rg3 demonstrated the greatest inhibitory effect and was active against both HSV-1 and HSV-2 with an ICof approximately 35µM. The most dramatic inhibition-over 100% compared to controls-occurred when the virus was exposed to 20(S)-Rg3 for 4 hours prior to being added to cells. 20(S)-Rg3 holds promise as a potential chemotherapeutic agent against herpes simplex viruses and, when used together with valacyclovir, may prevent increased resistance to drugs.

Study Type : In Vitro Study

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