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Microsomal function in biliary obstructed rats: effects of S-adenosylmethionine
A Pastor1, P S Collado, M Almar
1Department of Physiology, Pharmacology and Toxicology, University of León Spain.
Journal of Hepatology
|March 1, 1996
Summary
S-adenosylmethionine partially preserves microsomal function in rats with chronic liver disease. This treatment helps protect against liver damage by maintaining membrane function and reducing lipid peroxidation.
Area of Science:
- Biochemistry
- Hepatology
- Pharmacology
Background:
- Chronic liver diseases can impair microsomal function.
- Hepatotoxic agents and biliary obstruction negatively impact liver health.
- S-adenosylmethionine (SAMe) shows promise in treating liver conditions.
Purpose of the Study:
- To evaluate SAMe's effect on microsomal function in rats with biliary cirrhosis.
- To determine if SAMe can mitigate liver damage caused by bile duct obstruction.
Main Methods:
- Induced secondary biliary cirrhosis in rats via bile duct obstruction.
- Administered SAMe (10 mg/kg/day) to control and cirrhotic rats.
- Assessed lipid peroxidation, glutathione, membrane fluidity, and cytochrome P-450 activity.
Main Results:
- Bile duct obstruction increased lipid peroxidation and decreased microsomal function markers.
- SAMe did not restore glutathione or cytochrome P-450 levels.
- SAMe partially prevented lipid peroxidation, improved membrane fluidity, and preserved monooxygenase activities.
Conclusions:
- SAMe partially preserves microsomal function in chronic liver injury.
- This protective effect may stem from SAMe's role in restoring transmethylation and membrane function.