Fishing for Genes that Cause Biliary Atresia

A study of zebrafish has helped identify a susceptibility gene for biliary atresia, as reported in the May issue of Gastroenterology. Biliary atresia is a progressive fibro-inflammatory disorder of infants that involves the extrahepatic and intrahepatic biliary tree and causes obliteration of the ducts, leading to cholestasis, fibrosis, and cirrhosis.

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