Abstract
PURPOSE: The aim of the study was to evaluate the relationships of adipocytokines (visfatin, leptin, and adiponectin) with bone mineral density (BMD) and bone mineral content (BMC) in adolescence female athletes with different loading patterns. METHODS: The subjects were 170 healthy 13-15 year-old girls who comprised six groups: sport games (n=49), track sprint (n=24), rhythmic gymnastics (n=23), swimming (n=24), cross-country skiing (n=17), and sedentary controls (n=33). BMD and BMC at femoral neck and lumbar spine (L2-L4) were measured using DXA. Visfatin, leptin and adiponectin were measured using RIA kits. RESULTS: There were no relationships found between visfatin concentrations and bone parameters in athletes or control croups. Adiponectin was inversely correlated to BMD and BMC of femoral neck and lumbar spine (r= -0.47-0.62) in the swimmers group only, but after adjustments for age, height, and body mass the associations disappeared. Leptin concentrations correlated with bone mass parameters even after adjusting for age, height, and body mass (r= 0.42-0.63) in the rhythmic gymnast group only. CONCLUSIONS: We made conclude that after adjustment leptin is the only adipokine from those measured in which correlates to bone mass parameters in rhythmic gymnast group. Supported by Estonian Science Foundation Grant GKKSP 8068.
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