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1.
World Science and Technology-Modernization of Traditional Chinese Medicine ; (12): 2217-2223, 2018.
Article in Chinese | WPRIM | ID: wpr-752189

ABSTRACT

Objective: To study the changes of the sensitivity of the methicillin-resistant Staphylococcus aureus (MRSA) to oxacillin after Chinese herbs. effects, so as to find Chinese medicine that can enhance the sensitivity of MRSA to antibiotics and provide new ideas for the clinical treatment of MRSA infection. Methods: A total of 33 commonly used antibacterial herbs were selected to prepare extracts, which act on clinically isolated MRSA. The broth micro dilution method was used to determine the minimal inhibitory concentration (MIC) of oxacillin on MRSA before and after the action of Chinese medicine. If there is a statistically significant difference (P < 0.05), the medicine is effective. Results:The MIC of oxacillin on MRSA were 128-512 μg·ml-1, after the effect of Bletilla extracts, the change of MIC showed a statistically significant difference (P < 0.05), which could increase the sensitivity of MRSA (271) to oxacillin. Conclusion:Bletilla extracts can enhance the sensitivity of MRSA (271) to oxacillin and the compatibility with antibiotics is expected to restore the efficacy of antibiotic.

2.
International Journal of Traditional Chinese Medicine ; (6): 996-999, 2018.
Article in Chinese | WPRIM | ID: wpr-693707

ABSTRACT

Methicillin-resistant staphylococcus aureus (MRSA) has become the main pathogen for hospital and community acquired infections. Based on the resistance mechanism of MRSA, this article reviews the reducing and eliminating effect of Chinese herb extracts on bacterial drug resistance, by means of PBP2a protein binding, γ-lactamase, plasmid, efflux system, cell structure and biofilmdamage.

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