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Avicenna Journal of Phytomedicine، جلد ۸، شماره ۱، صفحات ۶۳-۷۲
عنوان فارسی
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عنوان انگلیسی Salix alba attenuated oxidative stress in the heart and kidney of hypercholesterolemic rabbits
چکیده انگلیسی مقاله Objective: Oxidative stress plays a critical role in the development of hypercholesterolemia-induced complications. This study evaluated the effects of aspirin and Salix alba hydroethanolic extract on oxidative stress in the heart and kidney of hypercholesterolemic rabbits. Materials and Methods: The antioxidant activity, as well as total phenolic and salicin content of S. alba (Sa) extract were assessed by DPPH radical scavenging activity, Folin-Ciocalteu and HPLC methods, respectively. Animals were divided into two groups of control (fed with normal chow), and HD (fed with high cholesterol diet for 6 weeks). Then, hypercholesterolemic animals allocated to the following treatment groups: CHO (received HD), Sa extract (HD plus extract 60 and 120 mg/kg), and aspirin (HD plus aspirin 120 mg/kg) and received the treatments on a daily basis for 6 weeks. MDA, GSH, and nitrite concentrations as well as the activities of SOD and CAT were evaluated in cardiac and kidney tissues. Results: The scavenging activity, total phenolic content and salicin were 19.1 µg/ml (IC50), 153.75 ± 3.6 mg of gallic acid/g, and 18.03 µg/mg, respectively. In comparison to CHO group, MDA levels were diminished in Sa and ASA groups but GSH levels were improved. NO metabolites increased in the heart of Sa 120 mg/kg group and in the kidney of all Sa and ASA treated groups. SOD activity increased only in the heart of Sa groups and in the kidney of Sa and ASA groups. CAT activity increased in the heart and kidney tissues of all Sa and ASA treated groups. Conclusion: The results showed S. alba extract improved redox homeostasis in heart and kidney tissues of hypercholesterolemic rabbits. The extract antioxidant property may be related to its phenolic content.
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نویسندگان مقاله نرگس عامل ذبیحی | narges amel zabihi
department of physiology, faculty of medicine, mashhad university of medical sciences

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

مریم محمودآبادی | maryam mahmoudabady
department of physiology and applied physiology research centre, school of medicine


محمد سوختانلو | mohammad soukhtanloo
department of clinical biochemistry, school of medicine, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

پریچهر hayatdavoudi | parichehr hayatdavoudi
department of physiology, faculty of medicine, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

فریماه بهشتی | farimah beheshti
department of physiology, faculty of medicine, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

سعید نیازمند | saeed niazmand
department of physiology and cardiovascular research center, school of medicine mashhad university of medical sciences mashhad, i. r. iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

نشانی اینترنتی http://ajp.mums.ac.ir/article_9486.html
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Research Article
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