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ID: ALA4052683
Journal: Bioorg Med Chem Lett
Title: The discovery of benzoxazine sulfonamide inhibitors of NaV1.7: Tools that bridge efficacy and target engagement.
Authors: La DS, Peterson EA, Bode C, Boezio AA, Bregman H, Chu-Moyer MY, Coats J, DiMauro EF, Dineen TA, Du B, Gao H, Graceffa R, Gunaydin H, Guzman-Perez A, Fremeau R, Huang X, Ilch C, Kornecook TJ, Kreiman C, Ligutti J, Jasmine Lin MH, McDermott JS, Marx I, Matson DJ, McDonough SI, Moyer BD, Nho Nguyen H, Taborn K, Yu V, Weiss MM.
Abstract: The voltage-gated sodium channel NaV1.7 has received much attention from the scientific community due to compelling human genetic data linking gain- and loss-of-function mutations to pain phenotypes. Despite this genetic validation of NaV1.7 as a target for pain, high quality pharmacological tools facilitate further understanding of target biology, establishment of target coverage requirements and subsequent progression into the clinic. Within the sulfonamide class of inhibitors, reduced potency on rat NaV1.7 versus human NaV1.7 was observed, rendering in vivo rat pharmacology studies challenging. Herein, we report the discovery and optimization of novel benzoxazine sulfonamide inhibitors of human, rat and mouse NaV1.7 which enabled pharmacological assessment in traditional behavioral rodent models of pain and in turn, established a connection between formalin-induced pain and histamine-induced pruritus in mice. The latter represents a simple and efficient means of measuring target engagement.
CiteXplore: 28629594