N‐Phenylbenzamides as Potent Inhibitors of the Mitochondrial Permeability Transition Pore
Citations Over TimeTop 12% of 2015 papers
Abstract
Persistent opening of the mitochondrial permeability transition pore (PTP), an inner membrane channel, leads to mitochondrial dysfunction and renders the PTP a therapeutic target for a host of life-threatening diseases. Herein, we report our effort toward identifying small-molecule inhibitors of this target through structure-activity relationship optimization studies, which led to the identification of several potent analogues around the N-phenylbenzamide compound series identified by high-throughput screening. In particular, compound 4 (3-(benzyloxy)-5-chloro-N-(4-(piperidin-1-ylmethyl)phenyl)benzamide) displayed noteworthy inhibitory activity in the mitochondrial swelling assay (EC50 =280 nm), poor-to-very-good physicochemical as well as in vitro pharmacokinetic properties, and conferred very high calcium retention capacity to mitochondria. From the data, we believe compound 4 in this series represents a promising lead for the development of PTP inhibitors of pharmacological relevance.
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