Disruption of the CFTR Gene Produces a Model of Cystic Fibrosis in Newborn Pigs

By C. Rogers, D. Stoltz, D. Meyerholz, L. Ostedgaard, T. Rokhlina, Peter J. Taft, M. Rogan, Alejandro Antonio Pezzulo, Philip H. Karp, O. Itani and 18 more. Science, 2008

787 citations recorded by the source corpus.

Almost two decades after CFTR was identified as the gene responsible for cystic fibrosis (CF), we still lack answers to many questions about the pathogenesis of the disease, and it remains incurable. Mice with a disrupted CFTR gene have greatly facilitated CF studies, but the mutant mice do not develop the characteristic manifestations of human CF, including abnormalities of the pancreas, lung, intestine, liver, and other organs. Because pigs share many anatomical and physiological features with humans, we generated pigs with a targeted disruption of both CFTR alleles. Newborn pigs lacking CFTR exhibited defective chloride transport and developed meconium ileus, exocrine pancreatic destruction, and focal biliary cirrhosis, replicating abnormalities seen in newborn humans with CF. The pig model may provide opportunities to address persistent questions about CF pathogenesis and accelerate discovery of strategies for prevention and treatment.

Subfields: Nutrition and Dietetics, Pulmonary and Respiratory Medicine

View Paper: https://www.semanticscholar.org/paper/18ade4bb38f8db118fd03a54af8c2e78eef1dcdd

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Citations in the corpus

• Efficient TALEN-mediated gene knockout in livestock (2012, methodology): “For livestock, gene-KO strategies enable refinement of traits for xenotransplantation and biomedical products (1) and have been used to produce valuable models of human disease (2).”