Biocompatibility, cytotoxicity and antibacterial effects of meropenem-loaded mesoporous silica nanoparticles against carbapenem-resistant Enterobacteriaceae

Artificial Cells, Nanomedicine, and Biotechnology

Solmaz Maleki Dizaj¹  Mina Yekani¹  Shahriar Shahi¹  Hadi Ghanbari²  Simin Sharifi³  Mohammad Yousef Memar⁴ 

[1] ;Department of Microbiology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran;Department of Pharmacognosy, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran;Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;

关键词: Antibacterial effects;    Enterobacteriaceae;    mesoporous silica nanoparticles;    meropenem;   

DOI  :  10.1080/21691401.2020.1850466

来源: DOAJ

【 摘 要 】

Background The ever-increasing resistance to antimicrobial agents among bacteria associated with nosocomial infections indicate the necessity of new antimicrobial therapy. The nanoparticles are considered as new drug delivery systems to increase the efficiency and decrease the unfavourable effects of the antimicrobial agents.Methods Herein we report the preparation and characterization of mesoporous silica nanoparticles (MSNs) loaded with meropenem against carbapenem-resistant Enterobacteriaceae. The antimicrobial effect of meropenem-loaded MSNs was determined against Enterobacteriaceae using the minimum inhibitory (MIC) method. The biocompatibility of meropenem-loaded MSNs was studied by the impact on the haemolysis and sedimentation rates of human red blood cells (HRBCs). Cytotoxicity of the meropenem-loaded MSNs was studied by the MTT test (hBM-MSC cell viability).Results The meropenem-loaded MSNs have shown antibacterial activity on all isolates at different MIC values lower than MICs of meropenem. Free MSNs did not show any significant antibacterial effect. Meropenem-loaded MSNs have no significant effect on haemolysis and ESR of HRBCs. The viability of hBM-MSC cells treated with serial concentrations of meropenem-loaded MSNs was 92–100%.Conclusion Due to the desirable biocompatibility, low cytotoxicity and the improved antibacterial effect, MSNs can be considered as a promising drug delivery system for meropenem as a potential antimicrobial agent.

【 授权许可】

Unknown