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RNA Interference in Ticks
Published on: January 20, 2011
RNA interference against stromal interacting molecule-1 (STIM1) ameliorates ethanol-induced hepatotoxicity
Ruibing Cui1, Rong Li1, Xiaolan Guo1
1Department of Geriatric Hepatology and Gastroenterology, Qilu Hospital of Shandong University, Jinan, Shandong Province 250012, PR China.
Abstract:
Previously we have demonstrated that stromal interacting molecule-1 (STIM1) was involved in ethanol induced liver injury. However, the exact pathogenic mechanism of STIM1 in alcoholic liver disease (ALD) is still unknown. We constructed plasmid vectors encoding short-hairpin RNA against STIM1 to investigate its role in ALD in the rat liver cell line BRL and in Sprague-Dawley rats. The results showed that STIM1 targeted sh-RNA (Sh-STIM1) significantly ameliorated ethanol-induced BRL cells injury and liver injury in rats with 20 weeks-induced alcoholic liver disease. Inhibition of STIM1 also reduced intracellular calcium ion concentration, reactive oxygen species (ROS) production, lipid peroxidation, NF-kappa B activation and TNF-α production under ethanol exposure. STIM1 may play an important role in the pathogenesis of alcoholic liver disease. Silencing STIM1 may be effective in preventing alcoholic liver disease.
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