ArticleIranian journal of basic medical sciences2026
Trigonelline protects against alcohol-induced brain damage by inhibition of oxidative stress, TLR4/NF-κB/proinflammatory cytokines pathway, and apoptosis.
Article in Iranian journal of basic medical sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: Brain injury is one of the most predominant complications following excessive alcohol consumption. Oxidative, inflammatory, and apoptotic processes are the essential mechanisms involved in alcohol-induced brain damage. Trigonelline is a natural compound that has a variety of pharmacologic activities. The present study investigated the protective effect of trigonelline in alcohol-induced brain injury and its underlying mechanisms. Materials and Methods: Adult male mice (C57BL/6) were exposed to binge ethanol (6 g/kg/day, by gavage) and treated with trigonelline (50 and 100 mg/kg/day, orally) for 6 days. Mice were sacrificed and the brain tissues were dissected for experimental assessments. Results: The results showed that trigonelline alleviated alcohol-induced locomotor impairment and brain oxidative damage by decreasing lipid peroxidation and protein oxidation. Trigonelline restored the levels of protective antioxidants (GSH, SOD, and HO-1) and reduced the levels of ICAM-1 and MPO in the brains of mice exposed to alcohol. Trigonelline significantly reduced alcohol-induced brain inflammation by the inhibition of iNOS/NO, TLR4, NF-κB, and proinflammatory cytokines (TNF-α, IL-6, IL-1β, and TGF-β1). Moreover, trigonelline treatment reduced the levels of caspase-3, cytochrome c, and TUNEL positive cells in the brains of alcohol-exposed mice. Conclusion: These findings suggest that trigonelline protects brain against alcohol intoxication by inhibition of oxidative and inflammatory and apoptotic responses. Therefore, trigonelline may serve as a potential therapeutic approach for the protection of brain damage associated with binge alcohol consumption.
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