• Patchliner

    兼顾科研与工业的全自动膜片钳系统
  • Patchliner

    自主生产与质量控制的耗材
  • Patchliner

    拥有超过10年实验设计与支持的经验
  • Dynamite8

    Automated Dynamic Clamp
  • Patchliner

    拥有所有手动膜片钳的特征与优点

2020 - Targeting different binding sites in the CFTR structures allows to synergistically potentiate channel activity

icon pl  Patchliner publication in European Journal of Medicinal Chemistry (2020)

Authors: 
Froux L., Elbahnsi A., Boucherle B., Billet A., Baatallah N., Hoffmann B., Alliot J., Zelli R., Zeinyeh W., Haudecoeur R., Chevalier B., Fortuné A., Mirval S., Simard C., Lehn P., Mornon J-P., Hinzpeter A., Becq F., Callebaut I., Décout J-L.

 Journal: 

European Journal of Medicinal Chemistry (2020) doi: 10.1016/j.ejmech.2020.112116


Highlights

  • Various types of defects in the CFTR protein cause Cystic Fibrosis.
  • These defects may be addressed by targeting different sites on the protein structure.
  • Occupying different sites by small molecules synergistically restores CFTR function.

Abstract:

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 μM 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.


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