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자료유형
학술저널
저자정보
JIANG SONGLING (이화여자대학교) UDDIN MD JAMAL (이화여자대학교) Xiaoying Yu (Ewha Womans University) Lingjuan Piao (Ewha Womans University) Dorotea Debra (Ewha Womans University) Oh Goo Taeg (Ewha Womans University) Ha Hunjoo (Ewha Womans University)
저널정보
대한당뇨병학회 Diabetes and Metabolism Journal Diabetes and Metabolism Journal Vol.46 No.6
발행연도
2022.11
수록면
829 - 842 (14page)
DOI
10.4093/dmj.2021.0274

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Background: Non-alcoholic fatty liver disease (NAFLD) has been increasing in association with the epidemic of obesity and diabetes. Peroxisomes are single membrane-enclosed organelles that play a role in the metabolism of lipid and reactive oxygen species. The present study examined the role of peroxisomes in high-fat diet (HFD)-induced NAFLD using fenofibrate, a peroxisome proliferator-activated receptor α (PPARα) agonist.Methods: Eight-week-old male C57BL/6J mice were fed either a normal diet or HFD for 12 weeks, and fenofibrate (50 mg/kg/day) was orally administered along with the initiation of HFD.Results: HFD-induced liver injury as measured by increased alanine aminotransferase, inflammation, oxidative stress, and lipid accumulation was effectively prevented by fenofibrate. Fenofibrate significantly increased the expression of peroxisomal genes and proteins involved in peroxisomal biogenesis and function. HFD-induced attenuation of peroxisomal fatty acid oxidation was also significantly restored by fenofibrate, demonstrating the functional significance of peroxisomal fatty acid oxidation. In <i>Ppara</i> deficient mice, fenofibrate failed to maintain peroxisomal biogenesis and function in HFD-induced liver injury.Conclusion: The present data highlight the importance of PPARα-mediated peroxisomal fitness in the protective effect of fenofibrate against NAFLD.

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