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:: Volume 22, Issue 4 (Bimonthly 2018) ::
Feyz 2018, 22(4): 387-393 Back to browse issues page
Comparison of serum apelin levels and maximal oxygen consumption in active and inactive obese men
Salar Abasi , Mahmoud Nikseresht *
Department of Exercise Physiology, Ilam Branch, Islamic Azad University, Ilam, I. R. Iran. , nikserasht@gmail.com
Abstract:   (403 Views)
Backgrounds: Apelin is an adipokine that may play a significant role in regulating energy metabolism. Obesity and physical activity are factors that affect the concentration of apelin, but it is not known which one is more prominent. Thus, the aim of this study was to compare the serum levels of apelin-13 and the maximal oxygen consumption (VO2max) in men who are inactive normal-weight, active and inactive obese.
Materials and Methods: Forty-five healthy men (age range, 34-46 years) were assigned to one of the following groups. 1) active-obese: body mass index (BMI)=28-33.9 kg/m2, 3-5 score in the physical activity rate questionnaire (PAR-Q) and n=16; 2) inactive-obese: BMI = 28-33.9 kg/m2, 1 in PAR-Q and n=18; 3) inactive normal-weight: BMI=18.5-24.9 kg/m2, 1 in PAR-Q and n=11. Blood samples were collected from the subjects in a fasting state; then, the serum level of apelin-13 was measured by the ELISA method. The VO2max was estimated by the non-exercise method and based on the PAR-Q.
Results: One-way ANOVA showed that there was no significant difference in the serum levels of apelin-13 between the groups (P=0.73). It was found that VO2max was significantly lower in the inactive-obese group compared to the other groups (P≤0.001); however, no significant difference was noted between the active-obese and inactive normal-weight groups (P=0.14).
Conclusion: Findings of this study show that the moderate physical activity and type 1 obesity could not be effective in apelin-13 concentration. In addition, it can be suggested that the obesity and physical activity indices have the same reciprocal effects in maximal oxygen consumption.
Keywords: Apelin-13 peptide, Body mass index, VO2max, Physical fitness
Full-Text [PDF 252 kb]   (119 Downloads)    
Type of Study: Research | Subject: General
Received: 2018/01/24 | Accepted: 2018/07/14 | Published: 2018/10/6
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Abasi S, Nikseresht M. Comparison of serum apelin levels and maximal oxygen consumption in active and inactive obese men. Feyz. 2018; 22 (4) :387-393
URL: http://feyz.kaums.ac.ir/article-1-3516-en.html

Volume 22, Issue 4 (Bimonthly 2018) Back to browse issues page
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