The effect of six weeks high intensity interval training on protein expression of Melanocortin 1 Receptor of monocytes and plasma levels of Alpha melanocyte stimulating hormone in overweight men
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Objectives
The purpose of this study is to investigate the effect of six weeks high intensity interval training (HIT) on protein expression of Melanocortin 1 Receptor (MC1R) of monocytes and plasma levels of melanocyte stimulating hormone alpha (∝-MSH) in overweight men.
Methodology
Twenty sedentary overweight students with average age of 25.2 ± 1.88 years, Vo2max 41.9 ± 4.28 ml.kg-1.min-1, Body fat 25.6±3.1 percent and BMI 27.3± 1.63 kg/m² were randomly assigned to HIT (n=10) and control (n=11) group. Fasting blood samples, body fat percentage and BMI measurement were taken before and after 6 weeks of training. HIT group complete 8 intervals (300 meter with %100-110 vVO2max and rest interval ratio 2-1) on the treadmill for 3 d/wk and for 6 weeks that every two week one interval and five percent adds to training intensity and the control group had no activity during the test. Diet of subject was control before begin the study.
Results
ANOVA with repeated measures indicated body fat percentage (P=0.001), body weight (P=0.002), and BMI (P=0.005) significantly decreased and protein expression of MC1R of monocytes increased significantly (P=0.001) in the HIT group after 6 weeks of training. Although increment in ∝-MSH was non-significant in the experimental group after 6 weeks of training.
Conclusions
HIT training increased protein expression of MC1R of monocytes significantly in overweight individuals and may be important in the prevention and control of inflammation and chronic diseases in overweight men by development of anti-inflammatory effects by MC1R. We suggest further research into the effect of HIT by overweight individuals on ∝-MSH and MC1R levels are conducted with large population samples and the protocols outlined in the current study.Keywords:
Language:
Persian
Published:
Journal of Sport and Exercise Physiology, Volume:5 Issue: 1, 2012
Pages:
702 to 712
https://magiran.com/p1967009
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