title: Influence of acute exercise on urinary protein, creatinine, insulin-like growth factor-I (IGF-I) and IGF binding protein-3 concentrations in children.
abstract: Insulin-like growth factor-I (IGF-I) is a polypeptide hormone and present in human urine. Insulin-like growth factor binding protein-3 (IGFBP-3) is the major form of binding protein in human circulation and functions as a carrier for IGF-I. Our goal was to determine the effects of volleyball exercise on the concentrations of urine protein, creatinine, IGF-I, and IGFBP-3 in children and to find out whether these effects differ between boys and girls. Volunteer children (13 females and 14 males), aged 10-13 years old were included in this work. Weight and height of the subjects were measured, and urine samples of their were collected before and after 2 hours of exercise. Urinary protein, creatinine, IGF-I and IGFBP-3 levels were analysed. Urinary protein, creatinine and IGF-I concentrations were increased after two hours of exercise wheres urinary IGFBP-3 concentrations did not change. In addition, no statistically significant difference in all parameters analysed was observed between boys and girls of similar age and body mass index.
authors.affiliation: Physiology Department, Medical Faculty, Pamukkale University, Denizli, Turkey. gturgut@pamukkale.edu.tr
authors.forename: Günfer
authors.initials: G
authors.lastname: Turgut
authors.forename: Bunyamin
authors.initials: B
authors.lastname: Kaptanoğlu
authors.forename: Sebahat
authors.initials: S
authors.lastname: Turgut
authors.forename: Osman
authors.initials: O
authors.lastname: Genç
authors.forename: Sezgin
authors.initials: S
authors.lastname: Tekintürk
mesh_terms: D000293:Adolescent; D002648:Child; D003404:Creatinine / Q000652:urine*; D015444:Exercise; D005260:Female; D006801:Humans; D018972:Insulin-Like Growth Factor Binding Protein 3 / Q000652:urine*; D007334:Insulin-Like Growth Factor I / Q000652:urine*; D008297:Male; D011485:Protein Binding; D013997:Time Factors
chemical_list: D018972:Insulin-Like Growth Factor Binding Protein 3; D007334:Insulin-Like Growth Factor I; D003404:Creatinine