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  • Title: Teucrium polium reversed the MCD diet-induced liver injury in rats.
    Author: Amini R, Yazdanparast R, Aghazadeh S, Ghaffari SH.
    Journal: Hum Exp Toxicol; 2011 Sep; 30(9):1303-12. PubMed ID: 21056947.
    Abstract:
    In the present study, we evaluated the ability of Teucrium polium ethyl acetate fraction, with high antioxidant activity, in the treatment of nonalcoholic steatohepatitis (NASH) in rats and its possible effect on factors involved in pathogenesis of the disease. To induce NASH, a methionine and choline deficient (MCD) diet was given to N-Mary rats for 8 weeks. After NASH development, MCD-fed rats were divided into 2 groups: NASH group that received MCD diet and NASH + T group which was fed MCD diet plus ethyl acetate fraction of T. polium orally for 3 weeks. Histopathological evaluations revealed that treatment with the extract has abated the severity of NASH among the MCD-fed rats. In addition, the fraction reduced the elevated levels of hepatic tumor necrosis factor-alpha (TNF-α) and transforming growth factor-beta (TGF-β) gene expression and also the elevated level of malondialdehyde (MDA). In addition, the extract increased the activities of superoxide dismutase (SOD), glutathione peroxidase (GPx) and enhanced the level of hepatic glutathione (GSH). Moreover, the fraction treatments lowered caspase-3 level and the phosphorylated form of C-Jun N-terminal kinase (JNK) and augmented the phosphorylated level of extracellular regulated kinase1/2 (ERK1/2). These results indicate that the ethyl acetate fraction of T. poium effectively reversed NASH, mainly due to its strong antioxidant and anti-inflammatory properties.
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