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Updated: May 17, 2026
08:42
Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
Published on: November 27, 2016
Measurement of hepatobiliary transport
1University of Rochester School of Medicine, Rochester, NY, USA.
Current Protocols in Toxicology
|October 10, 2012
Summary
Liver cells remove toxins from blood, with transport across membranes critical for metabolism and elimination. Studying bile excretion is challenging due to the small bile canaliculus, requiring specialized experimental models.
Area of Science:
- Hepatobiliary physiology
- Molecular transport mechanisms
- Xenobiotic metabolism
Background:
- Hepatic function includes xenobiotic removal, metabolism, and excretion via bile or bloodstream.
- Transport proteins mediate xenobiotic movement across liver cell membranes (basolateral and canalicular).
- Biliary excretion is a principal elimination pathway, but its study is limited by the inaccessible bile canaliculus.
Purpose of the Study:
- To describe methods for studying biliary excretion and liver cell transport.
- To provide techniques for collecting bile and isolating membrane vesicles.
- To advance understanding of hepatic transport and xenobiotic elimination.
Main Methods:
- Collection of bile from anesthetized rodents (mice and rats).
- Isolated perfused rat liver studies.
- Simultaneous isolation of basolateral and canalicular plasma membrane vesicles from rat liver.
Main Results:
- Established protocols for bile collection and liver perfusion.
- Developed methods for isolating distinct membrane domains (basolateral and canalicular).
- Provided a foundation for further research into hepatic transport regulation and integration.
Conclusions:
- Despite challenges, specialized models enable study of biliary excretion.
- Methodologies described facilitate investigation of liver cell membrane transport.
- Further research is needed to fully elucidate the regulation and physiological integration of these processes.
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