ورزش و علوم زیست حرکتی

ورزش و علوم زیست حرکتی

اثر تمرینات هوازی بر سطوح پروتئین سیرتوئین-1 و شاخص مقاومت به انسولین در مردان چاق مبتلا به دیابت نوع دو

نوع مقاله : مقاله پژوهشی

نویسندگان
1 دانشجو
2 گروه تربیت بدنی، دانشکده علوم انسانی، واحد بجنورد، دانشگاه آزاد اسلامی، بجنورد، ایران
چکیده
مقدمه و هدف: چاقی با اختلال در عملکرد انسولین موجب افزایش گلوکز ناشتا در بیماران دیابتی می‌شود. بنابراین هدف از مطالعه حاضر بررسی تأثیر هشت هفته تمرین هوازی بر سیرتوئین-1 و مقاومت به انسولین (HOMA-IR) در مردان دارای اضافه‌وزن و چاق مبتلا به دیابت نوع دو بود.
مواد و روش ­ها: 22 مرد چاق مبتلا به دیابت نوع دو (سن: 4.9±35.7 سال؛ شاخص توده بدن (BMI): 30.45± 2.35 کیلوگرم/متر مربع) به‌طور داوطلبانه در این تحقیق شرکت نمودند و بر اساس سطح گلوکز خون به دو گروه تمرین و کنترل تقسیم شدند. آزمودنی ­ها در گروه تمرین در هشت هفته تمرینات هوازی با شدت 70 درصد ضربان قلب بیشینه، سه جلسه در هفته و 50-45 دقیقه در هر جلسه شرکت کردند. خون ­گیری جهت ارزیابی فاکتورهای خون (سیرتوئین-1، انسولین، گلوکز و شاخص مقاومت به انسولین) قبل از تمرین و 48 ساعت بعد از آخرین جلسه تمرین انجام شد. داده‌ها با استفاده از SPSS و روش آماری آنوا (2×2) برای بررسی تفاوت بین گروهی و تی وابسته برای تغییرات درون‌گروهی مورد آنالیز قرار گرفت.
یافته­ ها: یافته‌ها نشان داد که هشت هفته تمرین هوازی با افزایش معنی­ دار در سطح سرمی سیرتوئین-1، کاهش معنی­ دار انسولین، HOMA-IR، گلوکز، وزن بدن و BMI در پس­ آزمون در مقایسه با پیش‌آزمون همراه بود (0.05>P). همچنین، در مقایسه با گروه کنترل، هشت هفته تمرین هوازی موجب افزایش معنی دار در سطح سرمی سیرتوئین-1 و کاهش معنی‌دار در سطح انسولین، HOMA-IR، گلوکز، وزن بدن و BMI شد (0.05>P). همچنین ارتباط معنی‌داری بین تغییرات غلظت سیرتوئین-1 با گلوکز ناشتا، وزن بدن و BMI مشاهده شد (0.05>P).
بحث ونتیجه‌گیری: در کل نتایج تحقیق حاضر پیشنهاد می ­نماید که تمرین هوازی احتمالاً از طریق افزایش در سطح پروتئین سیرتوئین-1 موجب بهبود در مقاومت به انسولین در مردان چاق با دیابت نوع دو می­ شود.
کلیدواژه‌ها

عنوان مقاله English

Effect of Aerobic Training on Sirtuin 1 Protein Levels and Insulin Resistance in Obese Men with Type 2 Diabetes

نویسندگان English

ali kharghani 1
Najmeh Rezaeian 2
1 student
2 Assistant professor
چکیده English

Introduction and Purpose: Obesity by inducing insulin malfunction increases fasting glucose in diabetic patients. Thus, the aim of this study was to investigate the impact of eight weeks of aerobic training on sirtuin-1 and insulin resistance index (HOMA-IR) in overweight and obese men with type 2 diabetes.
Materials and   Methods:  Twenty-two obese men with type 2 diabetes (Age: 35.7± 4.9 years, body mass index (BMI): 30.45± 2.35 kg/m2) volunteered to participate in the study and divided into two groups of Training and control based on their fasting blood glucose levels. Subjects in training group participated in eight weeks of aerobic training at intensity of 70 percent of maximum heart rate, three sessions per week and 45-50 minutes per session. Blood samples were collected before training and 48 hours after the last training session to measure the investigating blood factors (Sirtuin-1, insulin, glucose and HOMA-IR). Data were analyzed by ANOVA repeated measure (2×2) for between groups and paired t-test for within each group.
Results: The results showed that eight weeks of aerobic training resulted in significant increase in the serum levels of sirtuin-1, and significant decrease in insulin, fasting blood glucose, and HOMA-IR, body weight and BMI as well in post-test compared to the pre-test (P<0.05). Moreover, compared to the control group, serum levels of sirtuin-1 increased and insulin, glucose and HOMA-IR, body weight, and BMI decreased significantly (P<0.05). Additionally, there were significant correlations between changes in serum levels of sirtuin-1 and fasting glucose, BMI, and body weight (P<0.05).
Discussion and Conclusion: It appears that aerobic training improves insulin resistance in obese men with type 2 diabetes through increasing protein levels of sirtuin-1.

کلیدواژه‌ها English

Key words: Aerobic Training
Metabolism
Insulin Resistance
Type 2 Diabetes
Obesity
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  • تاریخ دریافت 04 شهریور 1402
  • تاریخ بازنگری 13 آبان 1402
  • تاریخ پذیرش 18 آبان 1402