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中国临床药理学与治疗学 ›› 2003, Vol. 8 ›› Issue (5): 526-529.

• 研究原著 • 上一篇    下一篇

脂肪胺类新结构钾通道开放剂对大鼠血流动力学的影响

邱财荣, 龙超良, 汪海   

  1. 军事医学科学院毒物药物研究所,北京 100850
  • 收稿日期:2003-04-15 修回日期:2003-05-15 出版日期:2003-10-26 发布日期:2020-11-19
  • 通讯作者: 汪海,男,医学博士,研究员,博士生导师,主要研究方向:心血管药理和新药研究。Tel:010-66932651 Fax:010-68211656 E-mail:wh@nic.bmi.ac.cn
  • 基金资助:
    国家863 计划重大专项(No2002AA2Z3137);赛德维康医药研究院新药研究基金项目(No1999001)

Effects of novelPotassium channel openers aliphatic amines on hemodynamics in rats

QIU Cai-Rong, LONG Chao-LIang, WANG Hai   

  1. Institute ofPharmacology and Toxicology,Academy of Military Medical Sciences,Beijing 100850,China
  • Received:2003-04-15 Revised:2003-05-15 Online:2003-10-26 Published:2020-11-19

摘要: 目的 观察新结构类型钾通道开放剂脂肪胺类化合物对大鼠血流动力学的影响,并分析其构效关系。方法 麻醉正常血压大鼠,分别静脉注射15个脂肪胺类新型钾通道开放剂5 mg·kg-1,用八导生理记录仪记录大鼠股动脉血压,用SMUP-PC 计算机软件记录心脏功能参数,观察它们对大鼠血流动力学的影响。结果 在受试的15 个化合物中,有8 个化合物作用较强,1 个化合物作用较弱,6 个化合物无效,其心血管药理学特征以化合物4 、7 、10 为例,呈现出显著的降低血压、减慢心率、抑制心脏收缩和舒张功能的作用,但对左心室收缩压作用轻微。构效关系分析,认为脂肪胺类化合物分子结构中一侧取代基为1 ~ 4 个碳的烃链,且另一侧没有环类取代基时,才较强地影响血流动力学。结论 脂肪胺类化合物4 、7 、10 影响大鼠血流动力学的作用较强,是一类具有较强心血管活性的新结构类型的钾通道开放剂。

关键词: 药理学, 钾通道开放剂, 脂肪胺类化合物, 血流动力学, 心脏功能

Abstract: AIM: To study the effects of novelPotassium channel openers,aliphatic amines on hemodynamics in rats,and try to find out its structure-activity relationship.METHODS: After iv administration of 15 compounds at the dose of 5 mg·kg-1in anaesthetized rats,the bloodPressure was recorded byPolygraph with eight channels and the cardiac functionParameters by SMUPPC software to evaluate the effects of those compounds on hemodynamics.RESULTS: Among 15 compounds,the three compounds (No 4,No 7 and No 10)significantly decreased bloodPressure,slowed down heart rate,and inhibited the myocardial systolic and diastolic functions,butlowered theleft ventricular systolicPressure (lVSP)slightly.When the aliphatic amine has alkyl substituent with one to four carbons and has no cyclic substituent in its molecular structure,it showed strong effects on hemodynamics in rats.CONCLUSION: No 4,No 7 and No 10 of the compounds show strong effects on hemodynamics in anaesthetized normotensive rats,suggesting that those novelPotassium channel openers have strong cardiovascular effects.

Key words: pharmacology, potassium channel openers, aliphatic amines, hemodynamics, cardiac functions

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