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Updated: Apr 28, 2026
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Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
Published on: November 27, 2016
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Summary
Bile acid clearance is generally unimpaired in liver disease, even after meals. Increased post-meal bile acids may be shunted, not indicative of impaired removal in mild to moderate liver disease.
Area of Science:
- Hepatology
- Gastroenterology
- Bile Acid Metabolism
Background:
- Bile acids are crucial for digestion and absorption.
- Liver disease can affect bile acid homeostasis.
- Understanding bile acid clearance is vital for assessing liver function.
Purpose of the Study:
- To investigate the disappearance of cholylglycine-14C in fasting and postprandial states.
- To evaluate bile acid clearance in healthy individuals and patients with liver disease.
- To determine if oral loading affects bile acid disappearance.
Main Methods:
- Intravenous administration of cholylglycine-14C.
- Measurement of 14C disappearance in fasting and postprandial states.
- Oral cholylglycine loading in a subset of patients.
Main Results:
- No significant difference in 14C disappearance patterns between healthy subjects and liver disease patients.
- No significant change in 14C disappearance after oral cholylglycine loading.
- Bile acid clearance appears unimpaired except in severe liver disease.
Conclusions:
- Apparent postprandial decrease in bile acid removal may be due to increased circulating bile acids.
- Increased bile acids are available for portosystemic shunting, not necessarily impaired clearance.
- Bile acid clearance is largely preserved in mild to moderate liver disease.
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