教育医学
Online ISSN : 2434-9127
Print ISSN : 0285-0990
Beta3アドレナリン受容体と脱共役タンパク質-1の遺伝子多型が引退した日本人学生アスリートの体組成に及ぼす影響
上田 真也臼井 達矢池谷 茂隆
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ジャーナル オープンアクセス

2019 年 64 巻 4 号 p. 309-317

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Marked changes in lifestyle, such as those associated with the retirement of collegiate athletes, have been shown to increase the risk of obesity. Beta3-adrenergic receptor (ADRB3) and uncoupling protein 1 (UCP-1) polymorphisms have been implicated in the prevalence of obesity and being overweight. Therefore, the aim of the present study was to investigate whether body weight and fat in retired Japanese collegiate athletes are associated by ADRB3 and UCP-1 polymorphisms. Fifty male soccer players from the University Association Football Club participated in the present study. ADRB3 and UCP-1 polymorphisms were extracted from peripheral blood samples. The first body weight and fat measurements were performed immediately after the end of the competition period in the middle of October (Active athlete data). The second set of measurements were conducted in the middle of March (Retirement data). One-week diet records were also completed immediately before the end of each measurement. Significant increases were observed in body weight (from 63.0±6.2 to 65.1±9.5 kg, P < 0.01) and fat (from 15.2±3.4 to 17.3±3.3%, P < 0.001) during retirement despite significant (P < 0.001) reductions in dietary energy intake. Changes in (delta) body fat correlated ( r = 0.733, P < 0.001) with changes in dietary energy intake. However, ADRB3 and UCP-1 polymorphisms were not associated with increases in body weight and fat in retired Japanese collegiate athletes. In conclusion, ADRB3 and UCP-1 polymorphisms did not associate increases in body weight and fat in retired Japanese collegiate athletes.

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2019 日本教育医学会
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