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首页> 外文期刊>World Journal of Gastroenterology >Steatosis recovery after treatment with a balanced sunflower or olive oil-based diet: involvement of perisinusoidal stellate cells.
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Steatosis recovery after treatment with a balanced sunflower or olive oil-based diet: involvement of perisinusoidal stellate cells.

机译:用均衡的向日葵或橄榄油为基础的饮食治疗后脂肪变性得以恢复:累及了窦窦周围星状细胞。

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AIM: To analyze the relationship between perisinusoidal stellate cell (PSC) activation and the dietary fat quantity and composition in the treatment of hepatic steatosis. METHODS: Using an experimental rat model of steatosis based on the intake of a hyperlipidic diet (14% fat as olive oil or sunflower oil, HL-O and HL-S, respectively), we analyzed the liver's capability of recovery after the treatment with a normal-lipidic diet (5% fat as olive oil or sunflower oil, NL-O and NL-S, respectively) by immunocytochemical and Western blot analysis of glial fibrillary acidic protein (GFAP) expression in PSCs, collagen quantification and serum aminotransferase determination. RESULTS: The fatty infiltration in the steatotic livers decreased after the treatment with both NL diets, indicating liver recovery. This decrease was accompanied with a lower collagen deposition and aminotransferase level as well as changes in the PSC population that increased the GFAP expression. The above-mentioned effects were more pronounced in animals fed on NL-O based diet. CONCLUSION: Treatment with a balanced diet enriched in olive oil contributes to the liver recovery from a steatotic process. The PSC phenotype is a marker of this hepatic-recovery model.
机译:目的:分析肝窦周围星状细胞(PSC)活化与饮食脂肪量和脂肪组成之间的关系。方法:使用基于高脂饮食(分别为14%的脂肪的橄榄油或葵花籽油,HL-O和HL-S的脂肪)摄入的脂肪变性的实验性大鼠模型,我们分析了经肝素治疗后的肝脏恢复能力通过免疫细胞化学和蛋白质印迹分析PSC中神经胶质纤维酸性蛋白(GFAP)的表达,胶原蛋白定量和血清氨基转移酶测定来确定正常的脂质饮食(分别为5%的脂肪,如橄榄油或葵花籽油为5%的橄榄油) 。结果:两种NL饮食治疗后,脂肪变性肝脏中的脂肪浸润减少,表明肝脏恢复。这种减少伴随着较低的胶原蛋白沉积和氨基转移酶水平以及增加GFAP表达的PSC群体的变化。在以NL-O为基础的饮食喂养的动物中,上述效果更为明显。结论:均衡饮食富含橄榄油的治疗有助于脂肪变性过程中肝脏的恢复。 PSC表型是该肝恢复模型的标志。

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