title: Serum vaspin levels are associated with physical activity or physical fitness in Japanese: a pilot study.
abstract: OBJECTIVE
  To investigate the link between serum vaspin levels and physical activity and/or physical fitness in Japanese.
  
  
  METHODS
  A total of 156 subjects (81 men and 75 women) was enrolled in this cross-sectional study. Serum vaspin levels, physical activity by uniaxial accelerometers, peak oxygen uptake, and metabolic risk parameters were evaluated. We also assessed anthropometric and body composition parameters.
  
  
  RESULTS
  Serum vaspin levels were over the level of 10 ng/mL in 15 subjects (9.6 %: Vaspin High group). In Vaspin Low group (<5 ng/mL: 74 men and 67 women), serum vaspin levels were 0.12 ± 0.18 ng/mL in men and 0.39 ± 0.70 ng/mL in women. Peak oxygen uptake was significantly and positively correlated with serum vaspin levels even after adjusting for age, physical activity evaluated by Σ[metabolic equivalents × h per week (METs[Symbol: see text]h/w)], BMI, and other confounding factors in men. In turn, physical activity was significantly and positively correlated with serum vaspin levels even after adjusting for confounding factors in women.
  
  
  CONCLUSIONS
  Serum vaspin levels were closely associated with physical fitness in men and physical activity in women independent of body composition in this Japanese cohort.
authors.affiliation: Department of Hygiene, Faculty of Medicine, Kagawa University, Kagawa, 761-0793, Japan, miyarin@med.kagawa-u.ac.jp.
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Miyatake
authors.forename: Jun
authors.initials: J
authors.lastname: Wada
authors.forename: Atsuko
authors.initials: A
authors.lastname: Nakatsuka
authors.forename: Noriko
authors.initials: N
authors.lastname: Sakano
authors.forename: Sanae
authors.initials: S
authors.lastname: Teshigawara
authors.forename: Motohiko
authors.initials: M
authors.lastname: Miyachi
authors.forename: Izumi
authors.initials: I
authors.lastname: Tabata
authors.forename: Takeyuki
authors.initials: T
authors.lastname: Numata
mesh_terms: D000328:Adult; D001823:Body Composition; D003430:Cross-Sectional Studies; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009043:Motor Activity; D010809:Physical Fitness; D010865:Pilot Projects; D015843:Serpins / Q000097:blood*
chemical_list: C507339:SERPINA12 protein, human; D015843:Serpins