생명과학회지 (Journal of Life Science)

  • 제22권5호
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  • Pages.569-574
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  • 2012
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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운동 트레이닝이 비만 어린이의 neurotrophins, HGF (hepatocyte growth factor)와 산화스트레스에 미치는 영향

The Effects of Exercise on Neurotrophins, Hepatocyte Growth Factor (HGF), and Oxidative Stress in Obese Children

  • Woo, Jin-Hee (Department of Physical Education, College of Sports Science, Dong-A University)
  • 투고 : 2012.03.23
  • 심사 : 2012.05.03
  • 발행 : 2012.05.30
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초록

본 연구는 운동 트레이닝이 비만 어린이의 산화적 스트레스, 신경성장 및 간 세포성장 인자에 미치는 영향을 알아보기 위하여 12주간 유산소 운동을 실시한 후 트레이닝 전과 후의 농도 수준을 비교하였다. 연구결과, NGF와 BDNF는 트레이닝 전과 후 모두 OT군이 NT군 보다 낮았으며, NGF는 트레이닝에 따라 두 그룹 모두 증가되었다. HGF는 트레이닝 전 OT군이 NT군 보다 높게 나타났지만, 트레이닝 후 차이는 없었다. MDA, ox-LDL, 8-OHdG 모두 OT군이 NT군 보다 높은 수치를 나타냈고, 트레이닝에 따른 차이는 ox-LDL에서만 발견되었다. 이상의 결과, 비만은 성장기 어린이에게 산화적 스트레스를 유발하고, 신경과 간 성장인자의 분비 이상을 초래한다는 것을 알 수 있었고, 12주 유산소 운동은 이들 인자들의 개선에 긍정적인 영향을 주고 인지기능 향상에도 도움을 줄 수 있을 것으로 본다.

This study was conducted to investigate the effect of exercise on oxidative stress, nerve growth, and hepatocyte growth factors in obese children. After 12 weeks of aerobic exercise training, the aforementioned parameters before and after the training were compared. As a result, the nerve growth factor (NGF) and brain-derived neurotrophic factor (BDNF) were shown to be lower in the OT than in the NT before and after the training, respectively ($p$ <0.05). The NGF was shown to have increased in both groups after the training ($p$ <0.05). The hepatocyte growth factor (HGF) was shown to be higher in the OT than in the NT before the training ($p$ <0.05), with no difference found afterwards. The malondialdehyde (MDA), ox-LDL, and 8-OHdG (Oxo-2'-deoxyguanosine) were shown to be higher in the OT than in the NT ($p$ <0.05). For ox-LDL, a difference was found between before and after the training ($p$ <0.05). The results of this study showed that obesity induced oxidative stress and caused the abnormalities of nerve and HGF secretion in obese children, and that the 12 weeks of aerobic exercise increased NGF levels, thereby promoting the development of neurogenesis in children.

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