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Updated: Jul 13, 2026
08:42
Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
Published on: November 27, 2016
Inborn errors of bile acid metabolism
James E Heubi1, Kenneth D R Setchell, Kevin E Bove
1Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio 45229-3039, USA.
Seminars in Liver Disease
|August 9, 2007
Summary
Disorders in bile acid synthesis disrupt liver function, leading to toxic metabolite buildup and impaired fat absorption. Early diagnosis and treatment are crucial for managing these inborn errors and preventing severe health consequences.
Area of Science:
- Biochemistry
- Hepatology
- Genetics
Background:
- Bile acids, synthesized from cholesterol in the liver via complex enzymatic pathways, are essential for fat digestion and absorption.
- Defects in bile acid synthesis can lead to the accumulation of abnormal bile acids and toxic intermediates, potentially harming liver cells (hepatocytes).
- Nine distinct inborn errors of bile acid metabolism are known, impacting individuals from infancy through adulthood.
Purpose of the Study:
- To review disorders of bile acid synthesis stemming from single defects in the metabolic pathway.
- To describe the proposed pathogenesis, clinical presentations, and management strategies for these conditions.
- To outline the prognosis associated with untreated or treated bile acid synthesis disorders.
Main Methods:
- Literature review of inborn errors of bile acid metabolism.
- Analysis of proposed pathogenetic mechanisms for enzyme deficiencies.
- Compilation of clinical presentations, treatment options, and prognostic outcomes.
Main Results:
- Impaired bile acid synthesis results in reduced bile flow and malabsorption of fats and fat-soluble vitamins.
- Accumulated metabolic intermediates can be hepatotoxic, contributing to liver disease progression.
- Clinical manifestations include neonatal cholestasis, neurological issues, and malabsorption, with potential for severe morbidity or mortality if untreated.
Conclusions:
- Inborn errors of bile acid synthesis represent a spectrum of genetic disorders with significant clinical implications.
- Prompt diagnosis and therapeutic intervention are vital to mitigate liver damage and improve patient outcomes.
- Understanding the specific metabolic defects is key to tailoring treatment and predicting prognosis.
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