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Pathomorphological changes in mouse liver and kidney during prolonged valproate administration
M Raza1, O A al-Shabanah, A M al-Bekairi
1Department of Pharmacology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia. mrsheikh@ksu.edu.sa
International Journal of Tissue Reactions
|August 11, 2000
Summary
Sodium valproate causes dose-dependent liver and kidney damage in mice. Prolonged exposure to this drug leads to severe histopathologic changes, necessitating careful assessment of its long-term use.
Area of Science:
- Toxicology
- Pathology
- Pharmacology
Background:
- Sodium valproate is an anticonvulsant and mood-stabilizing drug.
- Understanding its organ toxicity is crucial for patient safety.
Purpose of the Study:
- To investigate the dose-dependent pathomorphological effects of sodium valproate on mouse liver and kidney tissues.
- To establish a correlation between treatment duration and observed cellular and tissue alterations.
Main Methods:
- Mice were administered sodium valproate (0.71% w/v) in drinking water for 7, 14, and 21 days.
- Histopathological examination of liver and kidney tissues was performed at specified time points.
Main Results:
- Sodium valproate induced significant, duration-dependent alterations in liver and kidney morphology.
- Liver changes included fatty degeneration, Kupffer cell proliferation, inflammation, and precirrhotic/cirrhotic conditions.
- Kidney damage manifested as tubular necrosis, sloughing, cast formation, and inflammatory infiltrates.
Conclusions:
- Histopathological changes in the liver and kidney are directly proportional to the duration of sodium valproate exposure.
- Prolonged administration of sodium valproate warrants careful clinical evaluation due to its potential for severe organ toxicity.