Approved Drugs Containing Thiols as Inhibitors of Metallo-β-lactamases: Strategy To Combat Multidrug-Resistant Bacteria

Journal of Medicinal Chemistry
2015.0

Abstract

Resistance to β-lactam antibiotics can be mediated by metallo-β-lactamase enzymes (MBLs). An MBL inhibitor could restore the effectiveness of β-lactams. We report on the evaluation of approved thiol-containing drugs as inhibitors of NDM-1, VIM-1, and IMP-7. Drugs were assessed by a novel assay using a purchasable fluorescent substrate and thermal shift. Best compounds were tested in antimicrobial susceptibility assay. Using these orthogonal screening methods, we identified drugs that restored the activity of imipenem.

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