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Review
. 2017 Mar;22(3):592-599.
doi: 10.1016/j.drudis.2017.01.002. Epub 2017 Jan 13.

Antituberculosis drugs: reducing efflux=increasing activity

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Review

Antituberculosis drugs: reducing efflux=increasing activity

Liliana Rodrigues et al. Drug Discov Today. 2017 Mar.

Abstract

In mycobacteria, it was assumed that efflux pumps only had a marginal role in drug resistance. In recent years, owing to the need to find novel drugs against multidrug-resistant tuberculosis, it has become clear that efflux should not be ignored. Although efflux inhibitors have been very useful for characterizing in vitro the properties of efflux pumps, their usefulness in vivo is limited because of their toxicity. Alternatively, programs aimed at discovering novel drugs for treating tuberculosis should implement strategies to characterize efflux liability of candidate drugs. Here, we present an experimental approach for studying efflux of compounds selected under the More Medicines for Tuberculosis research project, and a few examples of how, for tuberculosis drug discovery, efflux matters.

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