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| 1 | Metformin alleviates cholestasis-associated nephropathy through regulating oxidative stress and mitochondrial function显示文摘Background and aim:Cholestasis-associated renal injury or cholemic nephropathy(CN)is a serious clinical problem.Previous studies mentioned that oxidative stress and mitochondrial impairment play a role in CN.There is no specific pharmacological intervention for CN.Metformin is an anti-diabetic drug administered for decades.On the other hand,novel pharmacological properties have emerged for this drug.The effect of metformin on oxidative stress parameters has been well-recognized in different experimental models.It has also been found that metformin positively affected mitochondrial function.The current study aimed to evaluate the effects of metformin in an animal model of CN.Methods:Rats underwent bile duct ligation(BDL)and were treated with metformin(250 and 500 mg/kg)for 14 consecutive days.Two weeks after the BDL operations,urine,serum,and kidney samples were collected and analyzed.Results:Markers of oxidative stress,including reactive oxygen species(ROS)formation,lipid peroxida-tion,protein carbonylation,depleted antioxidant capacity,and decreased glutathione(GSH)levels were detected in BDL animals.Moreover,mitochondrial indices,including adenosine triphosphate(ATP)level,dehydrogenase activity,mitochondrial membrane potential,and mitochondrial permeability,were impaired in the kidney of cholestatic rats.Renal histopathological alterations in cholestatic animals included tubular degeneration and interstitial inflammation,cast formation,and fibrosis.It was found that metformin significantly alleviated oxidative stress and improved mitochondrial indices in the kidney of cholestatic rats.Tissue histopathological alterations were also mitigated in metformin-treated groups.Conclusions:Metformin could be a candidate for managing CN.The nephroprotective role of metformin is primarily associated with its effects on oxidative stress parameters and mitochondrial function. | Mohammad Mehdi Ommati Hamidreza Mohammadi Khadijeh Mousavi Negar Azarpira Omid Farshad Reyhaneh Dehghani Asma Najibi Sedigheh Kamran Hossein Niknahad Reza Heidari | 2021 | Liver Research2021，5，3： | 3 |
| 2 | Long-term complications of sul- phur mustard poisoning in intoxicated Iranian veterans 显示文摘 | Namazi S Niknahad H Razmkhah H | 2009 | J Med Tox- icol2009，5，4： | 1 |
| 3 | Factors affecting drug-induced liver injury:antithyroid drugs as instances显示文摘 | Heidari R Niknahad H Jamshidzadeh A | 2014 | Clin Mol Hepatol2014，20，3： | 1 |
| 4 | Antidotal effect of dihydroxyacetone against cyanide toxicity in vivo显示文摘 | NIKNAHAD H O'BRIEN P J | 1996 | Toxicol Appl Pharmacol1996，138，1： | 1 |
| 5 | Factors affecting drug-induced liver injury: antithyroid drugs as instances显示文摘 | Heidari R Niknahad H Jamshidzadeh A | 2014 | Clin Mol Hepatol2014，20，3： | 1 |
| 6 | Factors affecting drug-induced liver injury: antithyroid drugs as instances显示文摘 | Heidari R Niknahad H Jamshidzadeh A | 2014 | Clin Mol Hepatol2014，20，3： | 1 |
| 7 | Factors affecting drug-induced liver injury: antithyroid drugs as instances 显示文摘 | Heidari R Niknahad H Jamshidzadeh A | 2014 | Clin Mol Hepatol2014，20，3： | 1 |
| 8 | Cytoxicity of trazodone in isolated rat hepatocytes显示文摘 | Jamshidzadeh A Niknahad H Zarifi J | 2006 | Toxicol lett2006，，： | 1 |
| 9 | Antidotal effect of dihydroxyacetone against phosphine poisoning in vivo in mice显示文摘 | Hossein Niknahad Assieh Hashemi Akram Jamshidzadeh | 2012 | Toxicology Letters2012，，： | 1 |
| 10 | Long-term complications of sulphur mustard poisoning in intoxicated Iranian veterans显示文摘 | Namazi S Niknahad H Razmkhah H | | 0，，04： | 1 |
| 11 | Antagonism of cyanide poisoning by dihydroxyacetone显示文摘 | NIKNAHAD H GHELICHKHANI E | 2002 | Toxicol Lett2002，132，2： | 1 |
| 12 | Mechanism of sulfite cytotoxicity in isolated rat hepatocytes 显示文摘 | Niknahad H O'Brien PJ | 2008 | Chem Biol Interact2008，174，3： | 1 |
| 13 | Antagonism of cyanide poisoning by dihydroxyacetone显示文摘 | NIKNAHAD H GHELICHKHANI E | | 0，，02： | 1 |
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