期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 190, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2020.112116
关键词
CFTR; Modulator; Combinatorial therapies; 3D structure; Ussing chamber; Halide-sensitive fluorescence
资金
- GENCI[CINES] [2017-A0020707206, 2018-A0040707206, 2019A006707206]
- French Association Vaincre la Mucoviscidose (VLM)
- Association pour l'Aide a la Recherche contre la Mucoviscidose (AARM)
- Labex ARCANE
- CBH-EUR-GS [ANR-17-EURE-0003]
- CF Trust
Recent evidence shows that combination of correctors and potentiators, such as the drug ivacaftor (VX-770), can significantly restore the functional expression of mutated Cystic Fibrosis Transmembrane conductance Regulator (CFTR), an anion channel which is mutated in cystic fibrosis (CF). The success of these combinatorial therapies highlights the necessity of identifying a broad panel of specific binding mode modulators, occupying several distinct binding sites at structural level. Here, we identified two small molecules, SBC040 and SBC219, which are two efficient cAMP-independent potentiators, acting at low concentration of forskolin with EC50 close to 1 mu M and in a synergic way with the drug VX-770 on several CFTR mutants of classes II and III. Molecular dynamics simulations suggested potential SBC binding sites at the vicinity of ATP-binding sites, distinct from those currently proposed for VX-770, outlining SBC molecules as members of a new family of potentiators. (C) 2020 Elsevier Masson SAS. All rights reserved.
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