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Non-antibiotic agent ginsenoside 20(S)-Rh2 enhanced the antibacterial effects of ciprofloxacin in vitro and in vivo as a potential NorA inhibitor
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2014 (English)In: European Journal of Pharmacology, ISSN 0014-2999, E-ISSN 1879-0712, Vol. 740, 277-284 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study is to explore the potential enhancing effect of ginsenoside 20(s)-Rh2 (Rh2) towards ciprofloxacin (CIP) against Staphylococcus aureus (S. aureus) infection in vitro and in vivo, and analyze the possible mechanisms through NorA inhibition from a target cellular pharmacokinetic view. In combination with non-toxic dosage of Rh2, the susceptibilities of S. (wrens strains to CIP were significantly augmented, and the antibacterial kinetics of CIP in the S. aurora strains were markedly promoted. This enhancing effect of Rh2 towards CIP was also observed in S. aureus infected peritonitis mice, with elevated survival rate and reduced bacteria counts in blood. However, Rh2 did not influence the plasma concentrations of OP. Further analysis indicated that Rh2 significantly promoted the accumulations of ClP in S. aureus, and inhibited the NorA mediated efflux of pyronin Y. The expressions of NorA gene on S. aureus were positively correlated with the enhancing effect of Rh2 with OP. This is the first report of the enhancing effect of Rh2 with ClP for S. aureits infection in vitro and in vivo, of which it is probably that Rh2 inhibited NorA-mediaLed efflux and promoted the accumulation of ClP in the bacteria.

Place, publisher, year, edition, pages
2014. Vol. 740, 277-284 p.
Keyword [en]
Ginsenoside 20(S)-Rh2, Bacteria resistance, Ciprofloxacin, Staphylococcus aureus, NorA efflux pump
National Category
Pharmacology and Toxicology
Identifiers
URN: urn:nbn:se:kth:diva-153242DOI: 10.1016/j.ejphar.2014.07.020ISI: 000341163700035Scopus ID: 2-s2.0-84905496176OAI: oai:DiVA.org:kth-153242DiVA: diva2:756114
Note

QC 20141016

Available from: 2014-10-16 Created: 2014-10-03 Last updated: 2017-12-05Bibliographically approved

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Sun, Xianqiang

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