The effect of aerobic training and curcumin supplementation on the expression of IGF-1 gene in muscle rat
Subject Areas : Sport Nutrition
Masoumeh Hosseini
1
(Department of Physical Education and Sport Sciences, East Tehran Branch, Islamic Azad University, Tehran, Iran.)
Hamid Vakilian
2
(Department of Physical Education and Sport Sciences, East Tehran Branch, Islamic Azad University, Tehran, Iran.)
Keywords: IGF-1R, IGF-1, curcumin,
Abstract :
Background: The purpose of this research was to investigate the effect of four weeks of moderate aerobic training and nanocurcumin supplementation on IGF-1 gene expression and its receptor in the soleus muscle of rats. Materials and Methods: 32 male Wistar rats, approximately eight weeks old, with a weight range of 200±10 grams, were prepared and kept for one week under standard conditions of light, temperature, and humidity. Rats were randomly divided into 4 groups of 8 series: healthy control group, aerobic training group, nanocurcumin group and aerobic training + nanocurcumin group. The training protocol was for 4 weeks, 5 days a week, in the first week, 20 minutes of activity with a speed of 18 meters per minute, and finally in the 4th week, it reached 35 minutes of activity with a speed of 20 meters per minute. Nanocurcumin supplement was also used for each animal at 80 mg / kilogram of body weight. One-way analysis of variance and Bonferroni's post hoc test was used at the significance level (P<0.05). Results: The results showed an increase in IGF-1 and IGF-1R gene expression levels in the soleus muscle in all groups compared to the control group. Conclusion: The combination of training and nanocurcumin supplementation probably increases the antioxidant capacity of the body and causes a greater increase in the expression of the IGF-1 gene and IGF-1R in skeletal muscles, which indicates more anabolic effects.
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