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Partial external biliary diversion in bile salt export pump deficiency: Association between outcome and mutation
Philipp Ellinger1, Jan Stindt1, Carola Dröge1
1Philipp Ellinger, Jan Stindt, Sander H J Smits, Lutz Schmitt, Institute of Biochemistry, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany.
Residual bile salt export pump (BSEP) function and substrate specificity impact the effectiveness of partial external biliary diversion (PEBD) for progressive familial intrahepatic cholestasis type 2 (PFIC-2). This highlights the importance of BSEP mutations in treatment outcomes.
Area of Science:
- Hepatology and Gastroenterology
- Genetics and Molecular Biology
- Pediatric Liver Disease
Background:
- Severe bile salt export pump (BSEP) deficiency, often caused by mutations in the ABCB11 gene, leads to progressive familial intrahepatic cholestasis type 2 (PFIC-2).
- BSEP is crucial for excreting bile acids from hepatocytes into bile, and its dysfunction causes cholestasis and liver damage.
- Partial external biliary diversion (PEBD) is a surgical option to reduce bile acid load in severe cases, but its efficacy varies.
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