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The sodium bile salt cotransport family SLC10
1Division of Clinical Pharmacology and Toxicology, Department of Medicine, University Hospital, 8091, Zurich, Switzerland. Bruno.Hagenbuch@access.unizh.ch
Abstract:
The SLC10 family of sodium/bile salt cotransporters contains over 50 members in animal, plant and bacterial species. In man, two well-characterized members and three orphan transporters are known. The Na(+)/taurocholate cotransporting polypeptide (NTCP; SLC10A1) and the apical sodium-dependent bile salt transporter (ASBT; SLC10A2) are critical components of the enterohepatic circulation of bile salts. NTCP and ASBT are cotransporters that mediate sodium-dependent, electrogenic uptake of mainly bile salts into hepatocytes (NTCP), biliary epithelial cells, ileal enterocytes and renal proximal tubular cells (ASBT).