Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/62207
標題: Beneficial effects of nicotinamide on alcohol-induced liver injury in senescence-accelerated mice
作者: Chen, Y.H.
胡淼琳
Wang, M.F.
Liao, J.W.
Chang, S.P.
Hu, M.L.
廖俊旺
關鍵字: Senescence-accelerate mice
oxidative stress
nicotinamide
alcohol-induced liver injury
induced oxidative stress
ethanol-consumption
protein oxidation
n-acetylcysteine
mouse-brain
rat-liver
antioxidant
acid
expression
damage
期刊/報告no:: Biofactors, Volume 34, Issue 2, Page(s) 97-107.
摘要: The deleterious effects of ethanol in senescence-accelerated prone 8 mice (SAMP8) and the protective role of nicotinamide (NAM) against ethanol-induced liver injury were examined. The mice were orally administered 2 g ethanol/kg BW and 200 mg or 500 mg NAM/kg BW three times/week for 10 weeks. Results showed that ethanol elevated activity of alanine aminotransferase (ALT) significantly. Ethanol also enhanced the formation of malondialdehyde (MDA) and protein carbonyls in the liver, whereas ethanol treatment resulted in significantly lower activity of hepatic glutathione peroxidase (GPx), catalase and superoxide dismutase (SOD). Hematoxylin and eosin staining indicated moderate to severe fatty infiltration but not fibrosis. Administration of high NAM (500 mg/kg BW) led to markedly decreased levels of hepatic MDA, protein carbonyls, fatty infiltration and the activity of ALT, and increased activity of GPx, catalase and SOD in the ethanol-fed group. Thus, using SAMP8 as animal model for ethanol-induced liver injury in the aged mice, this study demonstrates that NAM is effective in protecting such damage.
URI: http://hdl.handle.net/11455/62207
ISSN: 0951-6433
Appears in Collections:食品暨應用生物科技學系

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