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Curcumin ameliorates acute thioacetamide-induced hepatotoxicity
Haim Shapiro1, Michal Ashkenazi, Nir Weizman
1The Unit of Clinical Hypnosis, The E. Wolfson Medical Center, Holon and Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
Journal of Gastroenterology and Hepatology
|March 3, 2006
Summary
Curcumin supplementation improved survival and reduced liver damage in a rat model of fulminant hepatic failure. This natural antioxidant effectively mitigated thioacetamide-induced oxidative stress, inflammation, and injury.
Area of Science:
- Hepatology
- Pharmacology
- Toxicology
Background:
- Fulminant hepatic failure (FHF) involves oxidative stress and inflammation.
- Curcumin, a natural antioxidant, may counteract these processes.
- Its therapeutic potential in FHF requires investigation.
Purpose of the Study:
- To evaluate curcumin's efficacy in a rat model of acute thioacetamide (TAA)-induced hepatotoxicity.
- To assess curcumin's impact on oxidative stress, inflammation, and liver injury markers.
Main Methods:
- FHF was induced in rats using thioacetamide (TAA).
- Rats received low-dose (200 mg/kg) or high-dose (400 mg/kg) curcumin prior to TAA administration.
- Control groups received TAA only or no treatment.
Main Results:
- Curcumin treatment significantly increased survival rates compared to controls.
- Biochemical markers of liver injury, blood ammonia, and necroinflammation were reduced by curcumin.
- Curcumin inhibited elevated thiobarbituric acid-reactive substances (TBARS), nuclear factor kappa B (NFkappaB) binding, and inducible nitric oxide synthase (iNOS) expression.
Conclusions:
- Curcumin demonstrates significant hepato-protective effects in TAA-induced liver injury.
- It improves survival, reduces oxidative stress, hepatocellular injury, and inflammation.
- Findings support curcumin's therapeutic potential for FHF and highlight the roles of reactive oxygen species (ROS), NFkappaB, and iNOS in liver damage.