تاثیر تمرین هوازی به همراه مصرف ملاتونین بر بیان ژن GDNF و برخی شاخص های استرس اکسیداتیو در موش های صحرایی دارای درد نوروپاتی دیابت

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه فیزیولوژی ورزشی، دانشکده علوم انسانی، واحد اهواز، دانشگاه آزاد اسلامی، اهواز، ایران

چکیده

مقدمه و هدف: GDNF سلول های عصبی را در مقابل التهاب و استرس اکسیداتیو ناشی از هایپرگلیسمی محافظت می کند. هدف پژوهش حاضر تاثیر تمرین هوازی به همراه مصرف ملاتونین بر بیان ژن GDNF و برخی شاخص های استرس اکسیداتیو در موش های صحرایی دارای درد نوروپاتی دیابت می باشد.
مواد و روش ها: 40 سر موش صحرایی نر ویستار 8 هفته ای(محدوده وزنی3/11±204 گرم) به طور تصادفی در پنج گروه (8 = n) شامل: نوروپاتی دیابت(mg/kg50 استرپتوزوسین تزریق درون صفاقی)، نوروپاتی دیابت ملاتونین(mg/kg 10 ملاتونین روزانه به مدت 6 هفته)، نوروپاتی دیابت تمرین(30 دقیقه تمرین هوازی با شدت 15متر در دقیقه، 5 روز در هفته به مدت 6 هفته)، نوروپاتی دیابت ملاتونین و تمرین و کنترل سالم قرار گرفتند. پس از تایید ایجاد نوروپاتی دیابت توسط تست های رفتاری، پروتکل تمرین و مصرف مکمل اجرا گردید. میزان بیان ژن GDNF با تکنیک ریل تایم و شاخص های استرس اکسیداتیو در بافت نخاع با روش  اسپکتروفتومتر اندازه گیری شد. آزمون آنالیز واریانس یک راهه و آزمون تعقیبی توکی برای تحلیل آماری استفاده گردید.
نتایج: تمرین و ملاتونین موجب کاهش حساسیت سیستم عصبی به هایپرآلژزیا حرارتی و آلودینیای مکانیکی گردید. تمرین هوازی به همراه ملاتونین باعث افزایش معنی دار میزان بیان ژن GDNF و فعالیت آنزیم های SOD و CAT و کاهش غلظت MDA نسبت به گروه نوروپاتی دیابت شد(p <0.05).
نتیجه‌گیری: تمرین هوازی همراه با ملاتونین میزان بیان ژن GDNF را افزایش و حساسیت نوسیسپتورها به عوامل دردزا را بهبود بخشید. پیشنهاد می شود از تمرین هوازی به همراه مصرف ملاتونین برای بیماران دیابتی به منظور کاهش درد نوروپاتیک استفاده شود

کلیدواژه‌ها

عنوان مقاله [English]

The effect of aerobic exercise with melatonin on GDNF gene expression and some indicators of oxidative stress in male rats with diabetic neuropathic pain

نویسندگان [English]

  • Ahmad Kaki
  • Marzieh Karimi
Department of Sports Physiology, Faculty of Humanities, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
چکیده [English]

Background and Objective: GDNF protects nerve cells against inflammation and oxidative stress caused by hyperglycemia. The aim of this study was to evaluate the effect of aerobic exercise with melatonin on GDNF gene expression and some indicators of oxidative stress in rats with diabetic neuropathic pain.
Materials and Methods: Forty 8-week-old male Wistar rats (weight range 204 ± 11.3 g) were randomly divided into five groups (n = 8) including: diabetic neuropathy (50 mg/ kg streptozotocin intraperitoneal injection), diabetic melatonin neuropathy (mg/kg 10 melatonin daily for 6 weeks), diabetic neuropathy exercise (30 minutes of aerobic exercise at 15 meters per minute, 5 days a week for 6 weeks), diabetes melatonin neuropathy and healthy exercise and control. After confirmation of diabetic neuropathy by behavioral tests, exercise protocol and supplementation were performed. GDNF gene expression was measured by real-time technique and oxidative stress indices in spinal cord tissue by spectrophotometer. One-way analysis of variance and Tukey's post hoc test were used for statistical analysis.
Results: Exercise and melatonin reduced the sensitivity of the nervous system to thermal hyperalgesia and mechanical allodynia. Aerobic exercise with melatonin significantly increased GDNF gene expression and SOD and CAT enzyme activity and decreased MDA concentration compared to diabetic neuropathy group (P <0.05).
Conclusion: Aerobic exercise with melatonin modulates the expression of GDNF gene and oxidative stress indices and improves the sensitivity of nociceptors to pain factors. It is recommended to use aerobic exercise with melatonin for diabetics to reduce neuropathic pain.

کلیدواژه‌ها [English]

  • Aerobic exercise
  • Melatonin
  • GDNF
  • Oxidative stress
  • Diabetic neuropathic pain

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دانشور پزشکی
دوره 29، شماره 3 - شماره پیاپی 154
مرداد و شهریور 1400
صفحه 132-146

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