食品科学 ›› 2004, Vol. 25 ›› Issue (4): 155-157.

• 营养卫生 • 上一篇    下一篇

红曲对L-硝基精氨酸高血压大鼠降压作用初探

 唐粉芳, 张静, 邹洁, 孙伟, 焦晓慧, 金宗濂   

  1. 北京联合大学应用文理学院,首都医科大学临床检测中心
  • 出版日期:2004-04-15 发布日期:2011-10-24

Hypertension Lowering Study on L-nitro-arginine Hypertension Model Rats by Monascus Administration

 TANG  Fen-Fang, ZHANG  Jing, ZOU  Jie, SUN  Wei, JIAO  Xiao-Hui, JIN  Zong-Lian   

  1. 1.College of Arts and Sciences of Beijing Union University;2.Capital University of Medical Sciences
  • Online:2004-04-15 Published:2011-10-24

摘要: 在本实验室建立L-硝基-精氨酸(L-NNA)高血压大鼠模型,探讨红曲(monascus)对该类高血压模型大鼠的降压功效。并考察其血中内皮素(ET)和降钙素基因相关肽(CGRP)含量变化。雄性Wistar大鼠共20只正常对照组(C组)8只;L-NNA模型对照组(L组)6只;红曲组(L+M组)6只。使用放免法测定血浆ET和CGRP含量。L-NNA模型对照组与正常对照组相比,血浆ET明显升高(p<0.05);血浆CGRP略有下降但不具有统计学意义(p=0.8342);ET/CGRP比值明显升高(p<0.05)。红曲组血浆ET含量极显著低于L-NNA模型对照组(p<0.001)。实验结果提示血中ET的大幅度上升导致ET与CGRP之间平衡被打破,这一变化可能参与了L-NNA引起的大鼠高血压模型的产生;红曲有可能是通过降低L-NNA高血压模型大鼠血中ET水平而发挥降压作用的,但其作用机理有待进一步研究。

关键词: 红曲, 内皮素, 降钙素基因相关肽, 高血压, L-硝基-精氨酸

Abstract: The purpose of the Study was to investigate the effect of monascus on lowering hypertension and the changes ofplasma endothelin (ET) value and calcitonin gene-related peptide(CGRP)value in L-nitro-arginine(L-NNA)hypertension modelrats. There were 20 male Wistar rats divided into 3 groups:control group(group C)8 cases,L-NNA hypertension group(groupL)6 cases and L-NNA+monascus group(group L+M)6 cases. The results showed ET and ET/CGRP were increased markedlyin L-NNA hypertension model rats(p<0.05), while CGRP showed no significant difference between group C and group L(p=0.8342).ET was reduced remarkably in L+M group(p<0.001).Therefore,increasing ET and ET/CGRP might lead to thehypertension of rats. Monascus could lower hypertension by reducing blood ET value.

Key words: monascus, endothelin, calctionin gene-related peptide, hypertension, L-NNA