نوع مقاله : مقاله پژوهشی Released under (CC BY-NC) license I Open Access I

نویسندگان

1 پردیس بین الملل کیش دانشگاه تهران

2 دانشگاه تهران

3 هیئت علمی

چکیده

مقدمه: هدف پژوهش حاضر مقایسه تاثیر چهار هفته تمرین ورزشی هوازی(شنا) و مقاومتی(بالا رفتن از نردبان) بر مقادیر پروتئین سیرتوئین-1(SIRT1) و نیکوتین آمید آدنین دی‌نوکلوتید (NAD+) مغز در دوره مزمن انسفالومیلیت خود ایمن تجربی(EAE)،بود. روش کار: این مطالعه به روش آزمایشگاهی انجام شد. 40 سر موش C57BL6 ماده 8 هفته ای با میانگین وزنی 2±18 گرم برای انجام آزمایش انتخاب شدند. برای اجرای فرایند آزمایش، اعضای گروه نمونه به چهار گروه کنترل سالم، EAE، EAE + شنا و EAE+ تمرین مقاومتی تقسیم شدند.پس از القای EAE با MOG35-33 گروه‌های تمرینات ورزشی، برنامه شنا و تمرین مقاومتی را 30 دقیقه، 5 روز در هفته به مدت 4 هفته انجام دادند. در روز سی‌ام پس از القا (دوره مزمن بیماری) موش‌ها با تزریق کتامین و زایلازین بیهوش شدند، سپس تشریح و بافت‌برداری مغز انجام شد. مقادیر پروتئین SIRT1 و NAD+ با روش ایمونوهیستوشیمی سنجیده شد. از آزمون تحلیل واریانس یکراهه (ANOVA) به‌منظور مقایسه گروه‌های تحقیق استفاده شد. آزمون تعقیبی توکی برای مقایسه تفاوت میان گروه‌ها مورد استفاده قرار گرفت. یافته‌ها: یافته‌های پژوهش حاضر نشان داد که تمرینات ورزشی شنا و مقاومتی -هر دو- در مقایسه با گروه EAE، مقادیر پروتئین NAD+ و SIRT1 را به طور معناداری افزایش دادند، هر چند تمرین ورزشی مقاومتی در مقایسه با شنا، روش مؤثرتری بوده است (05/0 ≥P).  نتیجه‌گیری: تمرینات ورزشی، به ویژه تمرین ورزشی مقاومتی، ممکن است با افزایش NAD+ و SIRT1، باعث کاهش پیشرفت بیماری در EAE شود.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Comparing the effect of resistance training and swimming on the levels of sirtuin-1 and nicotinamide dinucleotide in the brains of rats with experimental autoimmune encephalomyelitis.

نویسندگان [English]

  • fatemeh bozorgi 1
  • Siroos choobineh 3

1 Kish International Campus of Tehran University

2

3 Department of Exercise Physiology, Faculty of Sport Sciences and Health, University of Tehran, Tehran, Iran

چکیده [English]

Introduction: The aim of the present research was to compare the effects of four weeks of aerobic exercise (swimming) and resistance exercise (climbing stairs) on the levels of Sirtuin-1 protein (SIRT1) and Nicotinamide Adenine Dinucleotide (NAD+) in the brain in the chronic experimental autoimmune encephalomyelitis (EAE) period. Methodology: This study was conducted using a laboratory method. 40 female C57BL6 mice, 8 weeks old with an average weight of 18±2 grams, were selected for the experiment. For the experiment process, the sample group members were divided into four groups: healthy control, EAE, EAE + swimming, and EAE + resistance exercise. After inducing EAE with MOG35-33, the exercise groups performed swimming and resistance exercise programs for 30 minutes, 5 days a week for 4 weeks. On the 30th day post-induction (chronic disease period), the mice were anesthetized with ketamine and xylazine, followed by brain dissection and tissue sampling. The levels of SIRT1 and NAD+ proteins were measured using immunohistochemistry. One-way analysis of variance (ANOVA) was used to compare the research groups. Tukey's post hoc test was used to compare differences between groups. Results: The findings of the current research showed that both swimming and resistance exercises significantly increased the levels of NAD+ and SIRT1 proteins compared to the EAE group, although resistance exercise was more effective than swimming (P ≤ 0.05). Conclusion: Exercise, especially resistance exercise, may reduce disease progression in EAE by increasing NAD+ and SIRT1 levels.

کلیدواژه‌ها [English]

  • Multiple sclerosis
  • Experimental autoimmune encephalomyelitis
  • Sirtuin-1
  • Nicotinamide adenine dinucleotide
  • Exercise
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