Volume 16, Issue 1 (Jan-Feb 2022)
mljgoums 2022, 16(1): 40-47 |
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1- Department of Exercise Physiology, Aliabad Katul Branch, Islamic Azad University, Aliabad Katul, Iran
2- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran , parvin.farzanegi@gmail.com
2- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran , parvin.farzanegi@gmail.com
Abstract: (1231 Views)
Background and objectives: Programmed autophagy is a genetically and evolutionarily conserved process that destroys long-lived cellular proteins and organelles. This study aimed to investigate effects of continuous and interval exercise training with or without atorvastatin supplementation on Beclin1, LC3-I and LC3-П expression in old rats with type 2 diabetes.
Methods: Sixty three male Wistar rats were divided into eight groups. Continuous exercise was performed at a speed of 15-29 m/min for 5-22 minutes. Interval exercise program consisted of six 2.5-minute sets that included a four-minute rest period between each set. The rats in the supplementation groups also received 20 mg/kg body weight atorvastatin daily via intraperitoneal injection. At the end of the training period, the expression of Beclin1, LC3-I and LC3-П in soleus muscle was measured by RT-PCR. One-way ANOVA was used for data analysis at statistical significance of 0.05.
Results: The results showed that both exercise trainings with or without atorvastatin significantly reduced LC3I, LC3-II and Beclin1 compared with the diabetic control group (P<0.05). In addition, the effects of the trainings and atorvastatin supplement did not differ significantly (P>0.05).
Conclusion: The results indicate that continuous and interval exercise program alone and combined with atorvastatin supplementation could significantly reduce LC3-1, LC3-II and Beclin1 level in soleus muscle of old diabetic rats.
Methods: Sixty three male Wistar rats were divided into eight groups. Continuous exercise was performed at a speed of 15-29 m/min for 5-22 minutes. Interval exercise program consisted of six 2.5-minute sets that included a four-minute rest period between each set. The rats in the supplementation groups also received 20 mg/kg body weight atorvastatin daily via intraperitoneal injection. At the end of the training period, the expression of Beclin1, LC3-I and LC3-П in soleus muscle was measured by RT-PCR. One-way ANOVA was used for data analysis at statistical significance of 0.05.
Results: The results showed that both exercise trainings with or without atorvastatin significantly reduced LC3I, LC3-II and Beclin1 compared with the diabetic control group (P<0.05). In addition, the effects of the trainings and atorvastatin supplement did not differ significantly (P>0.05).
Conclusion: The results indicate that continuous and interval exercise program alone and combined with atorvastatin supplementation could significantly reduce LC3-1, LC3-II and Beclin1 level in soleus muscle of old diabetic rats.
Research Article: Original Paper |
Subject:
Sport Physiology
Received: 2019/12/17 | Accepted: 2020/01/15 | Published: 2021/12/29 | ePublished: 2021/12/29
Received: 2019/12/17 | Accepted: 2020/01/15 | Published: 2021/12/29 | ePublished: 2021/12/29
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