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中国临床药理学与治疗学 ›› 2007, Vol. 12 ›› Issue (1): 23-27.

• 基础研究 • 上一篇    下一篇

CPU-86017及其手性衍生物对麻醉小鼠血压和大鼠血管活性作用的比较

冯瑜1, 杨麟1, 戴德哉1, 张灿2, 戴茵1   

  1. 1浙中国药科大学药理研究室, 南京 210009, 江苏;
    2中国药科大学药物化学研究室, 南京 210009, 江苏
  • 收稿日期:2006-07-12 修回日期:2006-11-25 出版日期:2007-01-26 发布日期:2020-10-26
  • 通讯作者: 戴德哉,, 男, 教授, 博士生导师, 研究方向:心血管药理、临床药理。Tel:025-83271270 E-mail:dezaidai@vip.sina.com
  • 作者简介:冯瑜, 女, 博士生在读, 研究方向:心血管药理。Tel:025-83271270  E-mail:fenyuu@tom.com
  • 基金资助:
    国家自然科学基金资助( 30572193); 江苏省自然科学基金资助(BK2002120)

Comparison of inhibitory effects of CPU-86017 and its optical derivates on mouse blood pressure and rat aortic contraction

FENG Yu1, YANG Lin1, DAI De-zai1, ZHANG Can2, DAI Yin1   

  1. 1Research Division of Pharmacology, China Pharmaceutical University, Nanjing 210009, Jiangsu, China;
    2Research Division of pharmacochemistry, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
  • Received:2006-07-12 Revised:2006-11-25 Online:2007-01-26 Published:2020-10-26

摘要: 目的: 研究Ⅲ类抗心律失常药对氯苄基四氢小檗碱( CPU-86017) 及其12 个手性衍生物, 分别观察其对麻醉小鼠血压及大鼠血管活性的作用。方法: zh-005~zh-008 为对硝基苄基四氢小檗碱溴化物的4 个立体异构体, zh-009 ~ zh-012 为N-苄基四氢小檗碱氯化物的4 个立体异构体。通过对麻醉小鼠i.v.3 mg/kg CPU-86017 或zh-005~zh-012 并连续观察3 h, 研究其对小鼠血压的影响;通过对大鼠离体主动脉梯度给予CPU-86017 或zh-009~zh-012, 研究其对去氧肾上腺素(Phe) 或KCl 引发的血管收缩活性的影响。结果: CPU-86017 在改变对氯苄基为对硝基苄基或N-苄基后, 只有zh-006 对血压的影响最小, 提示其i.v.毒性亦最小。CPU-86017 的4 个立体异构体, 对α1A 效应( ROC) 呈现立体选择性抑制,而对电压依赖钙通道(VOC) 抑制的立体选择性不明显。结论: 对氯苄基四氢小檗碱类化合物与血管α1A受体的结合能力, 可能取决于结构式中C-13a 的构型。

关键词: CPU-86017, 手性衍生物, 血压, 血管活性

Abstract: AIM: To compare the effects of III Class antiarrhythmic CPU-86017 ( p-chlorobenzyl-tetrahydroberberine) and its 12 optical derivates on mouse blood pressure and rat aortic contractile activity. METHODS: Zh-005 to zh-008 are 4 stereoisomers of p-nitrobenzyl-tetrahydroberberine, and zh-009 to zh-012 are 4 stereoisomers of N-benzyl-tetrohydroberberine.In this study, CPU-86017 or zh-005-zh-012 at dose of 3 mg/kg were i.v.in anaesthetized mice, and the blood pressure was monitored by arterial cannulation for 3 hours.CPU86017 or zh-001 to zh-004 (the 4 stereoisomers of CPU-86017) was administered in gradient dosage to rat aorta in vitro for evaluation the effects on aortic contraction induced by Phe and KCl. RESULTS: The least potency on blood pressure of CPU-86017 and zh-005-zh-012 was found by iv zh-006, which suggested the least side effect. By study of the inhibitory effects on rat aortic contraction of CPU86017 and zh-001 to zh-004, we found that the stereoisomers showed a stereoselectivity on suppressing the receptor related Ca2+ channel ( ROC), but not the voltage dependent Ca2+ channel (VOC). CONCLUSION: The configuration of C-13a in the structural formula of p-chlorobenzyl-tetrahydroberberine might be dominant to its affinity to α1A receptor.

Key words: CPU-86017, optical derivate, blood pressure, aortic contractile activity

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