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Назив: Effects of atorvastatin and simvastatin on oxidative stress in diet-induced hyperhomocysteinemia in Wistar albino rats: a comparative study
Аутори: Nikolic Turnic T.
Zivkovic V.
Srejovic I.
Stojic, Isidora
Jeremić N.
Jeremic, Jovana
Radonjic K.
Sanja S.
Obrenović R.
Djuric, Dragan M.
Jakovljevic V.
Датум издавања: 2018
Сажетак: © 2017, Springer Science+Business Media, LLC. Considering the well-known antioxidant properties of statins, it seems important to assess their impact on major markers of oxidative stress (superoxide anion radical, nitric oxide, and index of lipid peroxidation) to compare the antioxidative potentials of atorvastatin and simvastatin during the different degrees of hyperhomocysteinemia (HHcy) in rats. This study was conducted on adult male Wistar albino rats (n = 90; 4 weeks old; 100 ± 15 g body mass) in which HHcy was achieved by dietary manipulation. For 4 weeks, the animals were fed with one of the following diets: standard rodent chow, diet enriched in methionine with no deficiency in B vitamins (folic acid, B6, and B12), or diet enriched in methionine and deficient in B vitamins (folic acid, B6, and B12). At the same time, animals were treated with atorvastatin at doses of 3 mg/kg/day i.p. or simvastatin at doses of 5 mg/kg/day i.p. Levels of superoxide anion radical and TBARS were significantly decreased by administration of simvastatin in normal and high-homocysteine (Hcy) groups (p < 0.05). At 4 weeks after feeding with purified diets, the concentrations of the GSH, CAT, and SOD antioxidants were significantly affected among all groups (p < 0.05). Our results indicated that statin therapy had variable effects on the redox status in hyperhomocysteinemic rats, and simvastatin demonstrated stronger antioxidant effects than did atorvastatin.
URI: https://scidar.kg.ac.rs/handle/123456789/11360
Тип: article
DOI: 10.1007/s11010-017-3099-5
ISSN: 0300-8177
SCOPUS: 2-s2.0-85020507224
Налази се у колекцијама:Faculty of Medical Sciences, Kragujevac

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