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2006, Cilt 4, Sayı 3, Sayfa(lar) 115-120
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Effects of Long Term Exercise on Leptin Levels in Professional Athletes
Emine Sütken1, Neval Balköse1, Filiz Özdemir2, Özkan Alataş1, Neşe Tunalı1, Ömer Çolak1, Sema Uslu1, Setenay Öner3
1Osmangazi Üniversitesi Tıp Fakültesi Biyokimya Anabilim Dalı, Eskişehir
2Anadolu Üniversitesi Eczacılık Fakültesi Biyokimya Anabilim Dalı, Eskişehir
3Osmangazi Üniversitesi Biyoistatistik Anabilim Dalı, Eskişehir
Keywords: Exercise, leptin, HDL-C, LDL-C, body mass index

Our aim was to investigate the role of serum leptin levels in the control of fat mass in Professional athletes. 7 female and 7 male athletes were included in this study. Test subjects have been active in sports life for 2 years. First blood samples were taken at the period when athletes prior began exercise after a 2 month break. The second and third sampling time were at the end of 2nd month and 4th month of exercise period. When we examined the blood samples taken 3 times in a 4 months period with intervals of 2 months, we did not determine a significant change in serum glucose and leptin levels in pre-exercise and post-exercise periods, whereas serum insulin levels after exercise period were found significantly lower than pre-exercise period. When males and females were compared separately with their own groups, in males and females of control group, serum low density lipoprotein (LDL-C) ( p<0.01; p<0.01 respectively) and leptin (p<0.01; p<0.05 respectively) levels before exercise period were found significantly higher than the post-exercise period in 4 th mounth, whereas high density lipoprotein (HDL-C) levels were found significantly lower (p<0.01; p<0.001 respectively).

As a result we observed that medium level exercise exceeding has a suppressor effect on serum leptin levels connected with reduction of body fat ratio.


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