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Molecular Mechanisms In Cftr-F508del Degradation And The Functional Defect Of Cftr Absence In Rabbits, Carthic Rajagopalan
Molecular Mechanisms In Cftr-F508del Degradation And The Functional Defect Of Cftr Absence In Rabbits, Carthic Rajagopalan
Wayne State University Dissertations
Cystic Fibrosis (CF) is the most common, lethal autosomal recessive disorder, and is caused by mutations in the cystic fibrosis transmembrane conductance regulator protein (CFTR), an anion channel that is found in most epithelial cells lining the airway and gut. The most common mutation of CFTR is deletion of phenylalanine at position 508 (CFTR-F508del), which produces a misfolded protein. Through the ubiquitin proteasome system (UPS), this misfolded protein is ubiquitinated and signaled for degradation via the cytosolic proteasome. Previous studies demonstrating experimental restoration of F508DEL-CFTR trafficking to the plasma membrane showed partial function of the chloride channel, raising therapeutic speculations. …