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  • Title: [Involvement of endoplasmic reticulum stress in development of fatty liver fibrosis induced by methionine-choline-deficient diet in rats].
    Author: Mu YP, Kwada N, Ogawa T, Xi XH, Chen XR.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2010 Feb; 18(2):124-30. PubMed ID: 20196952.
    Abstract:
    OBJECTIVE: To study role of endoplasmic reticulum stress in the development of fatty liver fibrosis induced by methionine-choline-deficient diet in rats. METHODS: Non-alcoholic steatohepatitis was induced by 10 weeks- methionine-choline-deficient diet (MCDD), Markers of endoplasmic reticulum stress were determined by immunoblotting and real-time PCR. RESULTS: The number of apoptotic hepatocytes, The expression levels of endoplasmic reticulum stress markers were increased significantly in MCDD group compared to control group (probability value less than 0.05 or probability value less than 0.01), while ratio of hepatocyte proliferation/apoptosis was decreased in MCDD group (probability value less than 0.01). The number of hepatocytes apoptosis, and the expression levels of endoplasmic reticulum stress markers were decreased significantly 2 weeks after the feeding with normal diet in MCDD group (probability value less than 0.05 or probability value less than 0.01). CONCLUSION: MCDD induces endoplasmic reticulum stress and fibrosis in rats.
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