首页> 外文期刊>The Journal of Nutritional Biochemistry >Effects of soy protein on alcoholic liver disease in rats undergoing ethanol withdrawal.
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Effects of soy protein on alcoholic liver disease in rats undergoing ethanol withdrawal.

机译:大豆蛋白对戒断乙醇大鼠酒精性肝病的影响。

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OBJECTIVE: This investigation attempted to clarify the effects of soy protein on alcoholic liver disease (ALD) in rats undergoing ethanol withdrawal. METHODS: Alcoholic liver disease was induced in rats by administration of a low-carbohydrate ethanol liquid diet for 12 weeks, after which the ethanol was withdrawn and the rats were divided into two experimental groups: a control group (EC group) and a soy protein group (EP group) for 4 weeks. RESULTS: After the 12-week ALD-inducing period, the ethanol group had significantly higher hepatic lipid accumulation, oxidative stress and inflammation. We found that the EP group had significantly lower hepatic lipids, malondialdehyde, tumor necrosis factor-alpha, interleukin (IL)-1beta, IL-6, hydroxyproline levels and myeloperoxidase activity compared to the EC group. Moreover, the fecal total cholesterol and total lipids were higher in the EP group. Expression of the hepatic cytochrome P450 2E1 (CYP2E1) protein in the EP group was significantly lower than that in the EC group, and the hepatic peroxisome proliferator-activated receptor (PPAR) alpha and cytochrome P450 4A (CYP4A) protein expressions in the EP group were significantly higher than those in the EC group. In the histopathological analysis, we also found that soy protein ameliorated fat accumulation in the liver. CONCLUSION: These results suggest that soy protein may improve alcohol-induced lipid accumulation, oxidative stress and inflammation by decreasing proinflammatory cytokines and CYP2E1 protein expression and by increasing PPARalpha and CYP4A protein expressions and fecal lipid excretion, thereby producing beneficial effects on ALD during ethanol withdrawal
机译:目的:本研究试图阐明大豆蛋白对戒断乙醇大鼠酒精性肝病(ALD)的影响。方法:低碳水化合物乙醇流质饮食持续12周可诱发大鼠酒精性肝病,然后撤除乙醇并将大鼠分为两个实验组:对照组(EC组)和大豆蛋白组(EP组)持续4周。结果:在ALD诱导12周后,乙醇组的肝脂质蓄积,氧化应激和炎症明显升高。我们发现,与EC组相比,EP组的肝脏脂质,丙二醛,肿瘤坏死因子-α,白介素(IL)-1beta,IL-6,羟脯氨酸水平和髓过氧化物酶活性明显降低。此外,EP组的粪便总胆固醇和总脂质较高。 EP组肝细胞色素P450 2E1(CYP2E1)蛋白的表达明显低于EC组,EP组肝过氧化物酶体增殖物激活受体(PPAR)α和细胞色素P450 4A(CYP4A)蛋白的表达明显高于EC组。在组织病理学分析中,我们还发现大豆蛋白改善了肝脏中的脂肪堆积。结论:这些结果表明大豆蛋白可以通过减少促炎细胞因子和CYP2E1蛋白的表达以及增加PPARalpha和CYP4A蛋白的表达和粪便脂质的排泄来改善酒精诱导的脂质蓄积,氧化应激和炎症,从而在乙醇戒断期间对ALD产生有益作用

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