ABCMdb

PMID: 26115565

Mall MA, Galietta LJ
Targeting ion channels in cystic fibrosis.
J Cyst Fibros. 2015 Sep;14(5):561-70. doi: 10.1016/j.jcf.2015.06.002. Epub 2015 Jun 23., [PubMed]

Sentences

No. Mutations Sentence Comment

595 ABCC7 p.Gly551Asp Class III includes all those missense mutations (e.g. G551D) that severely reduce the time spent by the CFTR channel in the open state (gating defect). Login to comment 604 ABCC7 p.Gly551Asp ABCC7 p.Gly551Ser ABCC7 p.Gly1244Glu ABCC7 p.Gly1349Asp ABCC7 p.Ser1255Pro ABCC7 p.Ser1251Asn ABCC7 p.Ser549Arg ABCC7 p.Ser549Asn ABCC7 p.Gly178Arg When tested in clinical trials, the potentiator ivacaftor (also known as VX-770) showed a marked clinical benefit, with substantial improvement of lung function, reduction of pulmonary exacerbations, and increase in body weight in CF patients with G551D and 8 additional Class III mutations (G178R, S549N, S549R, G551S, G1244E, S1251N, S1255P and G1349D) [32-35]. Login to comment 607 ABCC7 p.Gly542* Class I mutations such as G542X can be targeted with so called read-through agents. Login to comment