Thermally unstable gating of the most common cystic fibrosis mutant channel (ΔF508): "rescue" by suppressor mutations in nucleotide binding domain 1 and by constitutive mutations in the cytosolic loops.

Abstract excerpt

Most cystic fibrosis (CF) cases are caused by the ΔF508 mutation in the CF transmembrane conductance regulator (CFTR), which disrupts both the processing and gating of this chloride channel. The cell surface expression of ΔF508-CFTR can be "rescued" by culturing cells at 26-28 °C and treating cells with small molecule correctors or intragenic suppressor mutations. Here, we determined whether these various rescue...

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