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Green tea modulates reserpine toxicity in animal models
Shaima Al-Bloushi1, Abdel-Majeed Safer, Mohammed Afzal
1Department of Biological Sciences, Faculty of Science, Kuwait University, P.O. Box 5969- SAFAT- State of Kuwait.
The Journal of Toxicological Sciences
|February 3, 2009
Summary
Green tea catechins may protect the liver from reserpine-induced oxidative damage. This study found that green tea extract administration helped revive liver cells in rats treated with reserpine, a drug known for its side effects.
Area of Science:
- Pharmacology
- Hepatology
- Natural Products Chemistry
Background:
- Reserpine, a dopamine-depleting drug, is used clinically but causes liver oxidative damage.
- Green tea catechins possess potent antioxidant properties that may counteract drug-induced oxidative stress.
Purpose of the Study:
- To investigate the protective effects of green tea extract against reserpine-induced hepatic damage in Sprague-Dawely rats.
- To evaluate the impact of concurrent green tea administration on reserpine's side effects.
Main Methods:
- Administration of reserpine and green tea extract to Sprague-Dawely rats.
- Measurement of oxidative stress markers (TBARS, transaminases, cholesterol) in liver tissue.
- Electron microscopy to assess hepatic ultra-structural changes.
Main Results:
- Reserpine induced significant hepatic damage, evidenced by elevated oxidative stress markers.
- Ultra-structural analysis revealed damage to cellular components including membranes, endoplasmic reticulum, and mitochondria.
- Green tea extract administration demonstrated a protective effect, leading to the revival of liver cells.
Conclusions:
- Green tea catechins can mitigate reserpine-induced oxidative hepatic damage.
- Concurrent administration of green tea may be a viable strategy to reduce the hepatotoxicity of reserpine.
