Zebrafish vps33b, an ortholog of the gene responsible for human arthrogryposis-renal dysfunction-cholestasis syndrome, regulates biliary development downstream of the onecut transcription factor hnf6.

Abstract excerpt

Arthrogryposis-renal dysfunction-cholestasis syndrome (ARC) is a rare cause of cholestasis in infants. Causative mutations in VPS33B, a gene that encodes a Class C vacuolar sorting protein, have recently been reported in individuals with ARC. We have identified a zebrafish vps33b-ortholog that is expressed in developing liver and intestine. Knockdown of vps33b causes bile duct paucity and impairs intestinal lipid...

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