The effect of regular swim training with two different time periods on serum levels of NO, VEGF, and TGF-β۱ in diabetic male rats

  • سال انتشار: 1396
  • محل انتشار: مجله تحقیقات پاتوبیولوژی، دوره: 20، شماره: 2
  • کد COI اختصاصی: JR_PRJMS-20-2_003
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 69
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نویسندگان

پروین فرزانگی

Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran

چکیده

Objective: Diabetes is known to accelerate endothelial cell dysfunction. Meanwhile, an adequate physical activity is recommended as a nonpharmacological treatment. Hence, the aim of the present study is to evaluate the effect of two different time periods of regular swimming exercise on serum levels of NO, VEGF, and TGF-β۱ in diabetic male rats. Methods: We randomly divided ۲۸ male Wistar rats into ۴ groups of ۷ rats per group - control, diabet, diabet-train ۳۰, and diabet-train ۶۰. Diabetes was induced using alloxan (۹۰ mg/kg, intraperitoneal injection) in rats. The animals performed swimming training for ۳۰ and ۶۰ min for ۵ weekly sessions, for a total of ۸ weeks. The rats were killed ۷۲ h after the last training session and was measured the levels of glucose, insulin, NO, VEGF, and TGF-β۱. One-way ANOVA was used for statistical analysis (p≤۰.۰۵). Results: Diabetes increased the levels of glucose, insulin and TGF-β۱, whereas it significantly reduced NO and VEGF levels. After ۸ weeks, ۳۰ min- swimming training, causing reverse of health changes compared to diabetes (p< ۰.۰۵). ۶۰ min- training did not make significant change (p> ۰.۰۵). But there were significant differences in the levels of glucose, NO, and TGF-β۱ between the two groups that trained for ۳۰ and ۶۰ min. Conclusion: It seems swimming training with enough time, which is sought for diabetic patients, can lead to a protective effect against cardiovascular disease by impacting the endothelial function factors in these patients.

کلیدواژه ها

Diabetes؛ NO؛ VEGF؛ TGF-β۱؛ Swimming, دیابت؛ نیتریک اکساید؛ عامل رشد اندوتلیوم عروقی؛ عامل تغییر دهنده رشد بتا؛ ۱؛ تمرین شنا

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