| 脉络宁注射液扩血管作用机制的研究 |
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| 引用本文： | 衣欣, 关利新, 杨履艳. 脉络宁注射液扩血管作用机制的研究[J]. 中国现代应用药学, 1995, (5): 6-8. |
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| 作者姓名： | 衣欣 关利新,杨履艳 |
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| 作者单位： | 牡丹江医学院附属医院临床药理室(衣欣)，牡丹江医学院药理教研室(关利新，杨履艳) |
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| 摘 要： | 用离体兔胸主动脉条为标本，以维拉帕米（Ｖｅｒ）为对照药，观察了脉络宁注射液对血管平滑肌的作用．结果，脉络宁注射液对ＮＥ、ＫＣＩ及ＣａＣＩ２收缩兔胸主动脉条的量效曲线呈非竟争性拮抗作用，并能明显抑制ＮＥ引起的主动脉条依赖于细胞内钙及细胞外钙的收缩，其作用性质与Ｖｅｒ相似。提示大剂量脉络宁注射液的扩血管作用机制可能与其对钙通道的阻滞作用有关．
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| 关 键 词： | 脉络宁 血管舒张 主动脉条 |
Study on Vasodilating Mechanism of Mailuoning Injection |
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| Yi Xin et al, . Study on Vasodilating Mechanism of Mailuoning Injection[J]. Chinese Journal of Modern Applied Pharmacy, 1995, (5): 6-8. |
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| Authors: | Yi Xin et al |
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| Abstract: | The effects of mailuoning injection (MLN) on vascular smooth muscle werestudipd and compared with verapamil (Ver). MLN could non-competitively antagonize the dose respouse curves of norepinephrine (NE),potassium chloride and calcium chloride on the isolatedaortic strips of rabbits, and obviously inhibited intracellular and extracellular Ca2 -dependentcontraction of the aortic strips induced by NE. These effects of MLN were similar to Vcr. Theresults suggested that the vasodilating mechanism of larg doses of MLN may selated to its effectof blocking calcium channels. |
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| Keywords: | mailuoning injection vasodilation aortic strip |
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