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Veterinary Research Forum، جلد ۷، شماره ۲، صفحات ۱۲۵-۱۳۲
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عنوان انگلیسی Protective effect of vitamin E on cypermethrin-induced follicular atresia in rats ovary: Evidence for energy dependent mechanism
چکیده انگلیسی مقاله It has been shown that chronic exposure to cypermethrin (CPM), a pyrethroid pesticide, results in follicular atresia via pathologically affecting angiogenesis, disrupting endocrine potential and enhancing oxidative stress. This study was aimed to uncover the CPM-exposed energy dependent follicular cells apoptosis and to estimate protective effect of vitamin E (VitE) as a potent antioxidant. Thirty six Wistar rats were divided into six groups (n = 6 rats for each group) including; control-sham, CPM-received (CPM, 75 mg kg-1, intraperitoneally), and CPM and VitE-treated (VitE, 150 mg kg-1, orally) for 14 and 24 days. The protein biosynthesis of glucose transporter-1 (GLUT-1) and caspase-3 in follicles were estimated by using immuno-histochemical staining at preantral and antral stages. Moreover, the periodic acid Schiff (PAS) staining was performed in order to evaluate the intracytoplasmic carbohydrate ratio in follicular cells and oocyte. Percentages of follicles with GLUT-1, Caspase-3 and PAS-positive cells were compared between groups. Immunohistochemical analyses showed that, VitE significantly up-regulated the GLUT-1 expression and improved the intracytoplasmic carbohydrate supplementation especially at preantral follicles. The cross sections from the CPM-exposed ovaries represented remarkable elevation in percentage of atretic preantral and antral follicles with caspase-3 biosynthesis, which was remarkably (p < 0.05) diminished in VitE co-treated groups. In conclusion, our data showed that VitE by up-regulating of the GLUT-1 biosynthesis improved glucose uptake at follicular cells and oocyte levels that in turn inhibited pro-apoptotic protein caspase-3 biosynthesis.
کلیدواژه‌های انگلیسی مقاله Apoptosis,Caspase-3,Cypermethrin,Follicular atresia,GLUT-1
نویسندگان مقاله مرتضی مولوی |
private veterinary practitioner, urmia, iran

مزدک رضی |
department of basic sciences, faculty of veterinary medicine, urmia university, urmia, iran
سازمان اصلی تایید شده: دانشگاه ارومیه (Urmia university)

هادی چراغی |
department of clinical pathology, faculty of veterinary medicine, university of tehran, tehran, iran
سازمان اصلی تایید شده: دانشگاه تهران (Tehran university)

مونا khorramjouy |
department of pharmacology and toxicology, faculty of pharmacy, shahid beheshti university of medical sciences, tehran, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (Shahid beheshti university of medical sciences)

آراز استادی |
department of basic sciences, faculty of veterinary medicine, urmia university, urmia, iran
سازمان اصلی تایید شده: دانشگاه ارومیه (Urmia university)

صفا gholirad |
department of basic sciences, faculty of veterinary medicine, urmia university, urmia, iran
سازمان اصلی تایید شده: دانشگاه ارومیه (Urmia university)

نشانی اینترنتی http://vrf.iranjournals.ir/article_19912_c98f653e228118383eac0c9ca64f9614.pdf
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