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Serum Interleukin-18 Levels Are Associated with Physical Activity in Japanese Men

Author

Listed:
  • Kanae Oda
  • Nobuyuki Miyatake
  • Noriko Sakano
  • Takeshi Saito
  • Motohiko Miyachi
  • Izumi Tabata
  • Takeyuki Numata

Abstract

Objective: To investigate the link between serum interleukin-18 (IL-18) levels and physical activity in Japanese men. Methods: A total of 81 men (45.7±17.6 years old) was enrolled in this cross-sectional investigation study. We assessed anthropometric and body composition parameters. Serum IL-18 levels, physical activity by uniaxial accelerometers, peak oxygen uptake and metabolic risk parameters were also evaluated. Results: Serum IL-18 levels were 179.4±84.7 pg/mL. Physical activity evaluated by Σ[metabolic equivalents × h per week (METs⋅h/w)]was significantly and negatively correlated with serum IL-18 levels (r = −0.252, p = 0.0235). These associations remained even after adjusting for age, peak oxygen uptake and other confounding factors. Conclusion: Serum IL-18 levels were closely associated with physical activity independent of peak oxygen uptake in Japanese men.

Suggested Citation

  • Kanae Oda & Nobuyuki Miyatake & Noriko Sakano & Takeshi Saito & Motohiko Miyachi & Izumi Tabata & Takeyuki Numata, 2013. "Serum Interleukin-18 Levels Are Associated with Physical Activity in Japanese Men," PLOS ONE, Public Library of Science, vol. 8(12), pages 1-5, December.
    • Handle: RePEc:plo:pone00:0081497
    DOI: 10.1371/journal.pone.0081497
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