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Abstract Title:

Vitamin C alleviates alcoholic liver injury by suppressing neutrophil infiltration in senescence marker protein 30-knockout mice irrespective of its antioxidant effects.

Abstract Source:

Life Sci. 2021 Dec 15:120228. Epub 2021 Dec 15. PMID: 34921864

Abstract Author(s):

Su-Min Baek, Seoung-Woo Lee, Young-Jin Lee, Hee-Yeon Kim, Min-Soo Seo, Soo-Eun Sung, A-Rang Lee, Tae-Un Kim, Seong-Kyoon Choi, Sang-Joon Park, Tae-Hwan Kim, Kyu-Shik Jeong, Jin-Kyu Park

Article Affiliation:

Su-Min Baek

Abstract:

AIMS: Alcoholic liver disease (ALD) comprises an important component in chronic liver diseases, and its clinical significance has increased due to the high consumption of alcohol worldwide. Vitamin C is a potent antioxidant, and several previous studies have suggested that its therapeutic role in ALD is derived from its antioxidant role. However, the relationship between vitamin C and infiltration of neutrophils that mediate hepatocyte necrosis and apoptosis in ALD has not been discussed to date.

MAIN METHODS: In the present study, wild-type C57BL/6 and vitamin C-deficient senescence marker protein 30-knockout mice were pair-fed with a Lieber-DeCarli control or ethanol diet. Ethanol-fed groups were fed with increasing concentrations of EtOH (Lieber-DeCarli control diet for 5 days, 3% EtOH diet for a week, and 5% diet for 2 weeks) with or without vitamin C supplementation.

KEY FINDINGS: Vitamin C dramatically attenuated the ethanol-mediated liver injury in the vitamin C-deficient ethanol-fed mice group by suppressing the infiltration of neutrophils accompanied by less CD68-positive cell infiltration.

SIGNIFICANCE: This study provides a novel possibility of vitamin C to be used as an anti-inflammatory therapeutic agent associated with neutrophil infiltration in ALD, thereby helping to establish strategies for attenuating ALD.

Study Type : Animal Study

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