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中国临床药理学与治疗学 ›› 2008, Vol. 13 ›› Issue (5): 494-498.

• 基础研究 • 上一篇    下一篇

鲨鱼肝活性肽S-8300 的降血糖作用机制初探

黄凤杰, 吴梧桐   

  1. 中国药科大学生命科学与技术学院, 南京210009, 江苏
  • 收稿日期:2007-10-08 修回日期:2008-04-03 发布日期:2020-11-09
  • 通讯作者: 吴梧桐, 男, 教授, 博导, 研究方向:生物制药与新药研发。Tel:025-83220372 E-mail:wuwutongmailbox @163. com
  • 作者简介:黄凤杰, 女, 博士, 讲师, 主要研究方向为生物新药开发和糖尿病药理及机制研究。Tel:025-83271247 E-mail:hfengjie@163. com
  • 基金资助:
    国家海洋“ 863” 资助项目(2003A624090);国家自然科学资助项目(30701036);中国药科大学引进人才启动基金(211032)

Study on hypoglycemic mechanism of S-8300 in alloxan-diabetes

HUANG Feng-jie, WU Wu-tong   

  1. School of Life Science and Technology, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
  • Received:2007-10-08 Revised:2008-04-03 Published:2020-11-09

摘要: 目的:探讨鲨肝活性肽S-8300 的降血糖作用机制。方法:观察S-8300 对四氧嘧啶糖尿病小鼠的血浆总胆固醇(CHOL), 血浆甘油三酯(TG), 血浆游离脂肪酸(NEFA), 肝、肾组织中超氧化物歧化酶(SOD)活力, 肝、肾组织中丙二醛(MDA)含量, 心肌ATP 酶活力的影响及红细胞在体外所发生的自氧化溶血和H2O2 在体外对红细胞膜的损伤的影响。结果:S-8300 显著降低四氧嘧啶糖尿病小鼠的血浆CHOL、 TG、 NEFA 水平及肝、肾组织中MDA 含量, 提高肝、肾组织中SOD活力和心肌ATP 酶活力, 显著抵抗红细胞在体外所发生的自氧化溶血及H2O2 在体外对红细胞膜的损伤。结论:降低糖尿病小鼠血浆中脂质, 减轻自由基的氧化损伤可能是S-8300 降血糖作用的机制之一。

关键词: S-8300, 作用机制, 糖尿病, 脂质过氧化

Abstract: AIM:To evaluate the hypoglycemic mechanism of S-8300 in alloxan diabetic mice. METHODS:The effects of S-8300 on diabetic mice were investigated by observing the change of cholesterol, triglyceride, free fatty acid, superoxide dismutase, malondialdehyde, ATPase activity and the hemolysis of red blood cells. RESULTS: The levels of cholesterol, triglycerides, free fatty acid in plasma and malondialdehyde in tissues were significantly decreased and the activities of superoxide dismutase and ATPase in the liver and kidney were significantly increased in diabetic mice treated with S-8300. S-8300 exhibited a significant potency in inhibiting autoxidation haemolysis and the red cellular membrane injury by H2O2 in vitro. CONCLUSION:The hypoglycemic mechanism of S-8300 is relate to its decreasing plasma lipid of alloxandiabetic mice and alleviating the harm of free radicals.

Key words: S-8300, mechanism, diabetes, lipid peroxidation

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