Serum Interleukin-15 and its relationship with adiposity Indices before and after short-term endurance exercise
Objective: The myokine interleukin-15 (IL-15) is capable of modifying the metabolism of both skeletal and adipose tissue. This study compares the change in serum levels of IL-15 in obese and non-obese after a single session of submaximal exercise.
Methods: A cross-sectional study was carried out at Jinnah Medical and Dental College, Karachi, during Aug-Dec 2015, comprising of 133 medical students (aged 17-24 years). Cardiorespiratory fitness was evaluated by Queen’s College Step Test. Blood was obtained both before and just after exercise and serum levels of IL-15 determined by enzyme-linked immunosorbent assay.
Results: Mean serum level of IL-15 was 3.64±1.59 pg/mL. Higher levels of IL-15 were seen in lean subjects compared to overweight/obese, both before and after three minutes of exercise (all Ptrend<.001). The percent increase in IL-15 upon exercise was 12.7% higher in lean. Significant negative association was seen between interleukin-15 and adiposity, especially visceral fat (r = –.288, p=.001).
Conclusion: Interleukin-15 correlates negatively with adiposity indices, especially visceral fat. With the proven benefit of IL-15 in terms of adipose tissue stores and skeletal muscle mitochondrial biogenesis, endurance exercises, even of short duration, may possess therapeutic potential towards producing a healthier body.
How to cite this:Hingorjo MR, Zehra S, Saleem S, Qureshi MA. Serum Interleukin-15 and its relationship with adiposity Indices before and after short-term endurance exercise. Pak J Med Sci. 2018;34(5):1125-1131. doi: https://doi.org/10.12669/pjms.345.15516
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