Journal of Nutrition and Health

  • 제41권3호
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  • Pages.199-205
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  • 2008
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  • 2288-3886(pISSN)
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  • 2288-3959(eISSN)
한국영양학회 (The Korean Nutrition Society)
권호 표지

이소플라본 섭취수준이 성장기 암컷 쥐의 골대사지표 및 골대사관련호르몬에 미치는 영향

The Effects of Isoflavones Intake Level on Bone Markers and Bone Related Hormones in Growing Female Rats

  • 최미자 (계명대학교 식품영양학과) ;
  • 정윤정 (계명대학교 식품영양학과)
  • Choi, Mi-Ja (Department of Food and Nutrition, Keimyung University) ;
  • Jung, Yun-Jung (Department of Food and Nutrition, Keimyung University)
  • 발행 : 2008.04.30
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초록

성장기 암컷 쥐를 대상으로 이소플라본 섭취수준에 따라 골대사 지표 및 골대사 관련 호르몬에 미치는 영향을 알아 보기 위해 실시한 연구 결과를 요약하면 다음과 같다. 1) 체중증가량과 식이섭취량, 식이효율은 이소플라본의 섭취수준에 따라 실험군간에 유의적인 차이가 없었다. 2) 골형성 지표인 혈청 ALP, osteocalcin은 이소플라본 섭취수준에 따라 실험군간에 유의적인 차이는 없었다. 3) 골흡수 지표인 DPD crosslink value도 이소플라본 섭취수준에 따라 실험군간에 유의적인 차이는 없었다. 4) 혈청 에스트로겐 농도, 부갑상선 호르몬과 인슐린유사 성장인자-I 농도는 이소플라본 섭취수준에 따라 유의적인 차이가 없었다. 5) 칼시토닌농도는 1IF군과 1/2IF군 보다 1IF군이 골형성과 골흡수에 유리한 경향을 나타내었고 칼시토닌과 성장호르몬이 유의적으로 증가하여 장기적으로는 골대사에 더 유리한 영향을 미칠 것으로 사료된다.

The overall purpose of this study was to investigate the effects of level of isoflavones supplementation on bone metabolism in growing female rats. Forty-five rats divided into three groups; Control, l/2IF, and lIF. Serum osteocalcin and alkaline phosphatase (ALP) activity, urinary deoxypyridinoline (DPD) crosslinks value were measured to monitor bone formation and resorption at the ninth week after feeding. Hormones related to bone metabolism were determined, included parathyroid hormone (PTH) , calcitonin, estradiol, growth hormone and insulin-like growth factor I (IGF-I). The results of this study were as follows: the isoflavones intake level did not affect weight gain, mean food intake and food efficiency ratio. The serum concentration of osteocalcin and the activity ofALP were not significantly different by different levels of isoflavones supplementation. The urinary DPD crosslinks value was not significantly different by different levels ofisoflavones supplementation. There were no significant differences in serum PTH, estradiol and IGFI among all groups. However, calcitonin was shown significantly higher in the groups of lIF and l/2IF than control group. And growth hormone was shown significantly higher in the groups of lIF than control group. (Korean J Nutr 2008; 41(3): 199~205)

키워드

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