생명과학회지 (Journal of Life Science)

한국생명과학회 (Korean Society of Life Science)
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청각 추출물이 난소를 절제한 흰쥐의 collagen 함량 및 collagen 가교형성에 미치는 영향

Effect of Codium Fragile Extract on Collagen Content and Collagen Cross-link Formation in Ovariectomized Rats

  • 박미화 (신라대학교 의생명과학대학 식품영양학과) ;
  • 강성림 (신라대학교 의생명과학대학 식품영양학과) ;
  • 김미향 (신라대학교 의생명과학대학 식품영양학과)
  • 발행 : 2007.07.30
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초록

갱년기의 여성에는 여러 폐경 증후들이 나타나는데, 특히 에스트로겐의 감소로 인한 혈중의 지질 조성의 변화 등으로 인한 심혈관계 질환과 골 손실의 증가로 인한 골다공증의 위험성이 높아 이에 대한 예방 및 치료에 대한 연구가 활발히 이루어지고 있다. 따라서 본 연구에서는 쉽게 섭취 할 수 있으며,부작용이 없는 해조류인 청각 추출물을 난소제거술을 통한 갱년기 유도 흰쥐에 투여하여 결합조직 중의 collagen과 pyridinoline함량, 혈 중 ALP활성 변화를 통해 갱년기 장애 질환의 개선효과를 알아보았다. 청각 추출물이 골 노화에 미치는 영향을 실험 한 결과 난소 절제에 의한 골 손실에 의해 결합조직의 collagen 함량이 감소하였으나, 청각 추출물의 투여로 인해 증가하는 경향을 보였다. 따라서 청각 추출물이 에스트로겐 감소로 인해 저하되는 collagen 합성능을 회복 시켜 유익한 효과를 가지는 것으로 추측된다. 또한 골 및 연골조직에서 collagen 성숙가교인 pyridinoline 함량을 HPLC에 의해 측정한 결과, 연골 중 pyridinoline함량은 난소절제에 의해 감소되었으나 청각 추출물 투여로 인해 난소를 절제하지 않은 SHAM군과 비슷한 수준으로 증가하여 pyridinoline 생성에 유익한 효과를 나타내었다. 이상의 결과로부터 갱년기 장애 시 유발되는 골 노화에 청각 추출물이 유효한 효과를 나타낼 것으로 기대된다.

The aim of this study was to evaluate the effects of Codium Fragile(CF) extract on the collagen content and collagen cross-link content of the connective tissues, alkaline phosphatase activity and calcium levels of serum in ovariectomized estrogen-deficient rats. Three groups were surgically ovariectomized. The fourth group was sham operated. Sprague-Dawley female rats were randomly assigned to the following groups : sham-oper-ated rats(Sham), ovariectomized control rats (OVX-CON), ovariectomized rats supplemented with CF at 50 mg/kg body wt and 200 mg/kg body wt, respectively The CF were orally administrated at 1mLa day. The ovariectomy caused a decreasing in collagen content in bone, cartilage, skin and lung tissues. However CF groups, supplementation with Codium Fragile extract, increased in collagen contentin bone and cartilage tissues than OVX-CON group. Fyridinoline content in cartilage collagen was de-creased by ovariectomy but supplementation with the CF extracts was similarly increased to Sham. Alkaline phosphatase activity on serum of CF groups decreased than OVX-CON group. These results suggest that CF supplementation prevents post-menopausal bone loss, thus it may be used possibly to improve the quality of life in menopausal women.

키워드

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