Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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The Mechanism of Hematoxylin on Glucose Metabolism Improvement in Sciatic Nerves from Streptozotocin-induced Diabetic Rats

Streptozotocin으로 유도한 당뇨쥐의 대퇴신경에서 Hematoxylin의 당대사 개선 메커니즘

  • Chung, Myung-Kiu (Department of Environmental Engineering, Sunmoon University) ;
  • Kang, Soon-Kook (Department of Environmental Engineering, Sunmoon University)
  • 정명규 (선문대학교 환경공학과) ;
  • 강순국 (선문대학교 환경공학과)
  • Received : 2011.04.05
  • Accepted : 2011.07.07
  • Published : 2011.07.31
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Abstract

Hematoxylin is the main component of Hematoxylon campechianum which has been utilized in the southern provinces of Korea as a folk remedy for diabetic complications. In the present study, to investigate the hypoglycemic mechanism of hematoxylin, the 2-deoxyglucose uptake and phospholipid metabolism were examined in sciatic nerves from three groups of rats : normal control, diabetic control, diabetic hematoxylin-treated group. Hematoxylin significantly reduced blood glucose levels in diabetic control rats. On a wet weight basis, the nerves from diabetic rats showed a 20% decrease in total phospholipid from that of controls and a relative decrease in phosphatidylinositide. Hematoxylin treatment increased the incorporation rate of 2-[3H] myo-inositol into total phosphoinositids in diabetic rat. The effectiveness were more potent in higher dose hematoxylin-treated rats than lower dose hematoxylin-treated rats. These results suggest that hematoxylin increases glucose transport and lipid metabolism by partially normalizing concerned with myo-inositol metabolism in diabetic rat. Therefore we propose that hematoxylin can be a promising candidate for diabetes medication.

Hematoxylin은 한국의 남부지방에서 당뇨합병증을 치료하기 위하여 사용해오던 민간약제인 Hematoxylon campechianum의 주성분이다. 본 논문에서는 hematoxylin의 혈당저하 메커니즘을 연구하기 위하여 3개 군의 흰쥐-정상군, 당뇨군, hematoxylin 처치군-에서 분리한 대퇴신경을 대상으로 2-deoxyglucose 수송능과 인지질 대사능을 조사였다. 실험결과 hematoxylin은 당뇨군에서 혈당치를 현저하게 감소시키는 것으로 나타났다. 또한 무게단위의 기준으로 당뇨군의 신경조직의 경우, 총 인지질의 양은 20% 감소하였으나 상대적으로 phosphatidylinositide의 감소는 작은 것으로 나타났다. 이 경우, hematoxylin을 처치하면 2-[3H] myo-inositol이 총 phosphoinositids로 대사되는 비율이 증가하는 것으로 밝혀졌다. 이러한 효과는 낮은 농도의 hematoxylin 처치군보다 높은 농도의 처치군에서 훨씬 큰 것으로 나타났다. 이상의 실험결과는 hematoxylin의 당뇨개선 메커니즘이 myo-inositol 대사를 증가시킴으로써 체내 당 수송과 인지질 대사를 정상화시킨다는 점을 제시하고 있다. 따라서 본 연구결과를 토대로 저자들은 hematoxylin은 향후 당뇨 치료제로서 후보 물질이 될 수 있음을 제시하고자 한다.

Keywords

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