Cystic Fibrosis
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
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...liver disease, and diabetes. Diagnosis is confirmed by a sweat test or measurement of transmembrane potential. Treatment consists...human DNase, an enzyme that digests the sticky extracellular DNA that helps form these viscous secretions, was approved in 1993...normal CFTR genes. Identification of the genes has also made tests for genetic screening and diagnosis possible. Evolutionary...