Objective:To assess the hepatoprotective effects of flavone on nicotine-induced liver damage.Methods:Thirty-six rats were allocated into six groups:the control group,the nicotine group,the flavone alone groups(10 and ...Objective:To assess the hepatoprotective effects of flavone on nicotine-induced liver damage.Methods:Thirty-six rats were allocated into six groups:the control group,the nicotine group,the flavone alone groups(10 and 25 mg/kg/body weight),and the nicotine groups treated with flavone(10 and 25 mg/kg/body weight).Liver function,oxidative stress,Nrf2 pathway(HO-1,Nrf2,and Keap-1),and inflammatory markers(IL-17,TNF-α,and NF-κB)were evaluated.Additionally,a histopathological examination of liver tissues was performed.Results:Nicotine increased liver damage,inflammation,and oxidative stress.However,flavone suppressed nicotine-induced liver enzymes,oxidative stress,and inflammation,as manifested by increased antioxidants and decreased malondialdehyde level,liver enzymatic activities,and inflammatory markers.Flavone(10 and 25 mg/kg/body weight)also reduced the level of Keap-1 and increased HO-1 and Nrf2 levels in the liver of nicotine-exposed rats.Conclusions:Flavone has hepatoprotective properties and may slow the progression of liver injury by reducing oxidative stress,liver enzymes,and inflammation possibly via the Nrf2 pathway.展开更多
文摘Objective:To assess the hepatoprotective effects of flavone on nicotine-induced liver damage.Methods:Thirty-six rats were allocated into six groups:the control group,the nicotine group,the flavone alone groups(10 and 25 mg/kg/body weight),and the nicotine groups treated with flavone(10 and 25 mg/kg/body weight).Liver function,oxidative stress,Nrf2 pathway(HO-1,Nrf2,and Keap-1),and inflammatory markers(IL-17,TNF-α,and NF-κB)were evaluated.Additionally,a histopathological examination of liver tissues was performed.Results:Nicotine increased liver damage,inflammation,and oxidative stress.However,flavone suppressed nicotine-induced liver enzymes,oxidative stress,and inflammation,as manifested by increased antioxidants and decreased malondialdehyde level,liver enzymatic activities,and inflammatory markers.Flavone(10 and 25 mg/kg/body weight)also reduced the level of Keap-1 and increased HO-1 and Nrf2 levels in the liver of nicotine-exposed rats.Conclusions:Flavone has hepatoprotective properties and may slow the progression of liver injury by reducing oxidative stress,liver enzymes,and inflammation possibly via the Nrf2 pathway.