Tue, 21 Nov 2017

Hybrid Triazoles: Molecular Manipulation As Potential Dual Inhibitor Of Growth And Efflux Inhibition In Methicillin Resistant Staphylococcus Aureus

Prasad P. Dixit1, Prashant P. Dixit2, Shivajirao N. Thore*1

1.Department of chemistry, Vinayakrao Patil Mahavidyalaya, Vaijapur- 423701 Dist Aurangabad, Maharashtra, India,

2.Department of microbiology, Dr. Babasaheb Ambedkar Marathwada University, Sub-center, Osmanabad- 413501, Dist. Osmanabad, Maharashtra, India.


ABSTRACT

Efflux inhibition is proven bacterial machinery responsible for removal of bacterial wastage including antibiotics. Recently, efflux inhibitors (EI) have been tested with encouraging results as an adjuvant therapy for treatment of various bacterial invasions especially methicilline-resistant Staphylococcus aureus (MRSA). Although, EI have emerged as innovative approach of treatment for several multi drug resistant bacterial infections including tuberculosis, toxicity profile limits their wider use. To address this issue, we have attempted synthesizing hybrid molecules those results by combining known EI and triazole. This synthesis was aimed to arrive at structure that possesses pharmacophore from known EI. Synthesized molecules were evaluated as growth inhibitors (GI) and Efflux inhibitor of S. aureus. Pharmacologically active compounds were then tested for their cytotoxicity to further narrow down search. Most active compounds 177, 178, 187 and 196 were then tested for their GEI action against MRSA. We arrived at compound 145 as most potent dual inhibitor.

Keywords: MRSA, triazole, resistance, PDST178, dual inhibition.


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