Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Trauner, M; Boyer, JL.
Bile salt transporters: molecular characterization, function, and regulation.
Physiol Rev. 2003; 83(2):633-671
Doi: 10.1152/physrev.00027.2002
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- Führende Autor*innen der Med Uni Graz
- Trauner Michael
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- Abstract:
- Molecular medicine has led to rapid advances in the characterization of hepatobiliary transport systems that determine the uptake and excretion of bile salts and other biliary constituents in the liver and extrahepatic tissues. The bile salt pool undergoes an enterohepatic circulation that is regulated by distinct bile salt transport proteins, including the canalicular bile salt export pump BSEP (ABCB11), the ileal Na(+)-dependent bile salt transporter ISBT (SLC10A2), and the hepatic sinusoidal Na(+)- taurocholate cotransporting polypeptide NTCP (SLC10A1). Other bile salt transporters include the organic anion transporting polypeptides OATPs (SLC21A) and the multidrug resistance-associated proteins 2 and 3 MRP2,3 (ABCC2,3). Bile salt transporters are also present in cholangiocytes, the renal proximal tubule, and the placenta. Expression of these transport proteins is regulated by both transcriptional and posttranscriptional events, with the former involving nuclear hormone receptors where bile salts function as specific ligands. During bile secretory failure (cholestasis), bile salt transport proteins undergo adaptive responses that serve to protect the liver from bile salt retention and which facilitate extrahepatic routes of bile salt excretion. This review is a comprehensive summary of current knowledge of the molecular characterization, function, and regulation of bile salt transporters in normal physiology and in cholestatic liver disease and liver regeneration.
- Find related publications in this database (using NLM MeSH Indexing)
- ATP-Binding Cassette Transporters - genetics ATP-Binding Cassette Transporters - metabolism
- Animals -
- Bile Acids and Salts - metabolism Bile Acids and Salts - secretion
- Biological Transport -
- Cholestasis - genetics Cholestasis - metabolism
- Gene Expression Regulation -
- Humans -
- Liver Regeneration -