The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa

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Ahmadi Roudbaraki Zahra; RANJI NAJMEH; MOHAMMADIPOUR AREF; GHASEM NEJAD ZAHRA

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Journal: JOURNAL OF MICROBIAL WORLD Year:2018 | Volume:11 | Issue:3 (36) Page(s): 269-277

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Title

The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa

Author(s)

Ahmadi Roudbaraki Zahra | RANJI NAJMEH | MOHAMMADIPOUR AREF | GHASEM NEJAD ZAHRA | Issue Writer Certificate

Keywords

CiprofloxacinQ1

NanoparticlesQ1

Pseudomonas aeruginosaQ1

SilybinQ1

mexY geneQ1

Abstract

Background & Objectives: Pseudomonas aeruginosa is a major nosocomial infection in immunocompromised patients. Silybin as an herbal drug has anti-inflammatory and anti-cancer effects and recently further studies have been focused on its antibacterial functions. The aim of this study was to investigate the antibacterial effect of Silybin on mexY gene expression in Ciprofloxacin (CP)-resistant isolates of P. aeruginosa. Materials & Methods: In this study, six Ciprofloxacin-resistant isolates of P. aeruginosa were both treated by Ciprofloxacin (1/2 MIC) only as a control sample and in combination with Silybinencapsulated micelles (Nanoparticles) as the test sample. MBC test was performed 24 h after culture in Mueller-Hinton agar. After RNA extraction and cDNA synthesis, mexY expression was quantitatively investigated in Silybin-treated and untreated cells. Results: Our findings showed that a combined Silybin-encapsulated micelles and Ciprofloxacin (1/2 MIC) treatment reduces the bacterial growth up to 50% after 24h. Also Q-RT-PCR analysis revealed that Silybin-encapsulated micelles decrease mexY expression. Conclusion: Our results suggest that Silybin could inhibit bacterial growth by decreasing mexXY-oprM efflux pump count on the cell surface.

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APA: Copy

Ahmadi Roudbaraki, Zahra, RANJI, NAJMEH, MOHAMMADIPOUR, AREF, & GHASEM NEJAD, ZAHRA. (2018). The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa. JOURNAL OF MICROBIAL WORLD, 11(3 (36) ), 269-277. SID. https://sid.ir/paper/189211/en

Vancouver: Copy

Ahmadi Roudbaraki Zahra, RANJI NAJMEH, MOHAMMADIPOUR AREF, GHASEM NEJAD ZAHRA. The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa. JOURNAL OF MICROBIAL WORLD[Internet]. 2018;11(3 (36) ):269-277. Available from: https://sid.ir/paper/189211/en

IEEE: Copy

Zahra Ahmadi Roudbaraki, NAJMEH RANJI, AREF MOHAMMADIPOUR, and ZAHRA GHASEM NEJAD, “The effect of silybin-encapsulated micelle nanoparticles on mexY expression in ciprofloxacin-resistant isolates of Pseudomonas aeruginosa,” JOURNAL OF MICROBIAL WORLD, vol. 11, no. 3 (36) , pp. 269–277, 2018, [Online]. Available: https://sid.ir/paper/189211/en

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