Article Publish Status: FREE
Abstract Title:

Lutein prevents alcohol-induced liver disease in rats by modulating oxidative stress and inflammation.

Abstract Source:

Int J Clin Exp Med. 2015 ;8(6):8785-93. Epub 2015 Jun 15. PMID: 26309530

Abstract Author(s):

Shi-Yu Du, Yan-Li Zhang, Ru-Xue Bai, Zheng-Lin Ai, Bu-Shan Xie, Hua-Yuan Yang

Article Affiliation:

Shi-Yu Du

Abstract:

OBJECTIVE: Oxidative stress and inflammation play an important role in pathogenesis of alcohol-induced liver injury. The present study was designed to investigate the protective role of Lutein against alcohol-induced liver injury.

TREATMENT: Wistar rats weighing 150-200 g were divided into 3 groups, control, EtOH treatment, Lutein followed by EtOH treatment. Ethanol-treated rats received EtOH [5 g/kg body weight] by gavage every 12 hours for a total of 3 doses. For Lutein pre-treatment, Lutein at a dose of 40 mg/kg was dissolved in the EtOH and gavaged 30 mins before EtOH treatment.

METHODS: Oxidative stress markers-(reactive oxygen species, lipid peroxidation, protein carbonyls and sulfhydryls content), liver markers (ALT, AST, ALP and LDH) were determined. Antioxidant enzyme activities and its master regulator Nrf-2 expression were analyzed. Further, inflammatory proteins NF-κB, COX-2, iNOS and inflammatory cytokines (TNF-α, MCP-1, IL-1β, IL-6) were analyzed.

RESULTS: The results showed significant decrease in oxidative stress markers and liver markers in the lutein pre-treatment. Lutein treatment down regulated inflammatory proteins and cytokines with concomitant up regulation in Nrf-2 levels and antioxidant enzymic activities.

CONCLUSION: The present study showed that Lutein treatment exerted potent antioxidant and anti-inflammatory property and offered significant cytoprotection against alcohol-induced liver injury.

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