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Multidrug efflux pumps and their role in antibiotic and antiseptic resistance: a pharmacodynamic perspective

Abstract : Introduction: Worrying levels of bacterial resistance have been reported worldwide involving the failure of many available antibiotic treatments. Multidrug resistance (MDR) in Gram-negative bacteria is often ascribed to the presence of multiple and different resistance mechanisms in the same strain. RND efflux pumps play a major role and are an attractive target to discover new antibacterial drugs. Areas covered: This review discusses the prevalence of efflux pumps, their overexpression in clinical scenarios, their polyselectivity, their effect on the intracellular concentrations of various antibiotics associated with the alteration of the membrane permeability and their involvement in pathogenicity are discussed. Expert opinion: Efflux pumps are new targets for the development of adjuvant in antibiotic treatments by of efflux pump inhibition. They may allow us to rejuvenate old antibiotics acting on their concentration inside the bacteria and thus potentiating their activity while blocking the release of virulence factors. It is a pharmacodynamic challenge to finalize new combined therapy. ARTICLE HISTORY
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Sandrine Alibert, Joannah N 'Gompaza Diarra, Jessica Hernandez, Aurélien Stutzmann, Marwa Fouad, et al.. Multidrug efflux pumps and their role in antibiotic and antiseptic resistance: a pharmacodynamic perspective. Expert Opinion on Drug Metabolism and Toxicology, Taylor & Francis, 2016, 13 (3), pp.301-309. ⟨10.1080/17425255.2017.1251581⟩. ⟨hal-01425015⟩

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