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Title: The beneficial effects of resveratrol on steatosis and mitochondrial oxidative stress in HepG2 cells. Author: Izdebska M, Piątkowska-Chmiel I, Korolczuk A, Herbet M, Gawrońska-Grzywacz M, Gieroba R, Sysa M, Czajkowska-Bania K, Cygal M, Korga A, Dudka J. Journal: Can J Physiol Pharmacol; 2017 Dec; 95(12):1442-1453. PubMed ID: 28759727. Abstract: Nonalcoholic fatty liver disease (NAFLD) is currently one of the most common chronic liver diseases, especially in developed countries. One group of substances with a potential use in the treatment of NAFLD are plant polyphenols, represented by resveratrol. The aim of this study was to evaluate the effect of resveratrol on steatosis and oxidative stress in HepG2 cells. The steatosis of cells was carried out using free fatty acids: oleic or palmitic acid and their mixtures. Steatosis was visualized using the intracellular lipid staining by Nile Red dye with a fluorescence microscope. This study also determined the viability of cells and mitochondrial membrane potential. The current study showed that fatty acids and their mixtures induced fat overloading in HepG2 cells. In the group of cells incubated with oleic acid (OA), observed changes were moderate with prevailing micro-vesicular steatosis. In case of cells incubated with palmitic acid (PA) and the mixtures of fatty acids, micro- and macro-vacuolar steatosis occurred in most of the cells. Resveratrol decreased steatosis in HepG2 cells induced by OA, PA, as well as their mixtures, and in most of experimental groups did not reduce cells viability. Resveratrol reduced the oxidative stress in HepG2 cells treated with fatty acids mixtures.[Abstract] [Full Text] [Related] [New Search]