Life (Aug 2021)

Low-Temperature Gas Plasma Combined with Antibiotics for the Reduction of Methicillin-Resistant <i>Staphylococcus aureus</i> Biofilm Both In Vitro and In Vivo

  • Li Guo,
  • Lu Yang,
  • Yu Qi,
  • Gulimire Niyazi,
  • Jianbao Zheng,
  • Ruobing Xu,
  • Xusong Chen,
  • Jingye Zhang,
  • Wang Xi,
  • Dingxin Liu,
  • Xiaohua Wang,
  • Hailan Chen,
  • Michael G. Kong

DOI
https://doi.org/10.3390/life11080828
Journal volume & issue
Vol. 11, no. 8
p. 828

Abstract

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Biofilm infections in wounds seriously delay the healing process, and methicillin-resistant Staphylococcus aureus is a major cause of wound infections. In addition to inactivating micro-organisms, low-temperature gas plasma can restore the sensitivity of pathogenic microbes to antibiotics. However, the combined treatment has not been applied to infectious diseases. In this study, low-temperature gas plasma treatment promoted the effects of different antibiotics on the reduction of S. aureus biofilms in vitro. Low-temperature gas plasma combined with rifampicin also effectively reduced the S. aureus cells in biofilms in the murine wound infection model. The blood and histochemical analysis demonstrated the biosafety of the combined treatment. Our findings demonstrated that low-temperature gas plasma combined with antibiotics is a promising therapeutic strategy for wound infections.

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