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丁苯酞对豚鼠平喘作用的初步药效学观察     被引量:2

Preliminary pharmacodynamics study on antiasthmatic action of butylphthalide in guinea pig

文献类型:期刊文献

中文题名:丁苯酞对豚鼠平喘作用的初步药效学观察

英文题名:Preliminary pharmacodynamics study on antiasthmatic action of butylphthalide in guinea pig

作者:王志旺[1,2];王永辉[3];任远[1,2];王瑞琼[1];蔺兴遥[1];段海婧[1]

第一作者:王志旺

机构:[1]甘肃中医药大学;[2]甘肃省中药药理与毒理学重点实验室;[3]山西中医学院

第一机构:甘肃中医药大学

年份:2017

卷号:33

期号:2

起止页码:136

中文期刊名:中国应用生理学杂志

外文期刊名:Chinese Journal of Applied Physiology

收录:CSTPCD;;Scopus;CSCD:【CSCD2017_2018】;PubMed;

基金:国家自然科学基金项目(81460668);甘肃省自然科学基金项目(1310RJZA086;1606RJZA011);甘肃省中药药理与毒理学重点实验室开放基金项目(ZDSYS-KJ-2015-002;ZDSYS-KJ-2016-004)

语种:中文

中文关键词:丁苯酞;平喘;豚鼠;一氧化氮;内皮素-1

外文关键词:butylphthalide (BPL) ; antiasthma; guinea pig; nitric oxide (NO) ; endothelin-1 (ET-1)

摘要:目的:初步探讨丁苯酞对豚鼠的平喘作用及机制。方法:本次研究分为离体气管平滑肌实验与动物整体实验两部分。在离体实验中制备豚鼠离体气管片,使用Ach、Hist使气管平滑肌收缩达到最大值后,按累积加药法加入丁苯酞,记录1、10、100 mg/L丁苯酞对痉挛气管平滑肌的解痉作用(n=10)。在整体实验中,取经筛选的豚鼠分为正常对照组、模型对照组、地塞米松组及丁苯酞高、低剂量组(n=8),在吸入低浓度激发液(1%ACh:0.05%Hist=1:1)激发6次(每次10 s)的基础上,第7次吸入高浓度激发液(2%ACh:0.1%Hist=1:1)10 s,观测90 mg/kg、30 mg/kg丁苯酞对哮喘豚鼠行为学以及血清NO、支气管肺泡灌洗液(BALF)中ET-1的影响。结果:1、10、100mg/L的丁苯酞对ACh、Hist引起的离体痉挛状态的豚鼠气管平滑肌有显著的解痉作用(对Ach的解痉率为15.08±7.68、42.41±13.54、77.56±24.82;对Hist的解痉率为19.40±7.60、56.84±11.72、76.35±19.40)且呈一定的量效关系(P<0.05,0.01);在乙酰胆碱与组胺的引喘下,90 mg/kg、30 mg/kg丁苯酞能明显延长豚鼠的哮喘潜伏期(53.3±13.2、33.1±13.0),改善哮喘行为学,降低血清NO(78.71±19.40、84.75±20.97)、支气管肺泡灌洗液(BALF)中ET-1(24.30±5.80、28.50±6.31)的含量(P<0.05,0.01)。结论:丁苯酞具有一定的平喘作用,而缓解NO、ET-1异常升高是其作用机制之一。
Objective: To study the anti-asthmatic effects of butylphthalide in guinea pig. Methods: Tiffs research included isolated tra- cheal smooth muscle and in vivo animal experiments. Antispasmodic effects of butylphthalide at the concentrations of 1, 10, 100 mg/L were observed through spasmodical tracheal smooth muscle of guinea pig induced by acetylcholine or histamine ( n = 10). After screened, the guinea pigs were divided into control group, model group, dexamethasone(DXM) group, high and low dose butylphthalide groups. The effects of butylphthalide on nitric oxide (NO), endothelin-1 (ET-1 ) and asthmatic behaviors were observed on the asthmatic guinea pigs that were stimulated six times by the excitation fluid ( 1% ACh:0.05% Hist = 1 : 1). Results: Butylphthalide at the concentrations of 1,10,100 mg/L had anti-spasmodic effects on spasmodical tracheal smooth muscle of guinea pig (15.08 ±7.68,42.41 ± 13.54,77.56 ± 24.82 to aeetylcholine, 19. 40 ± 7.60,56.84 ± 11.72,76.35 ± 19.40 to histamine), which showed a certain dose-effect relationship. Butylphthalide could prolong asthmatic incubation period (53.3 ± 13.2,33.1± 13.0), improve asthmatic behaviors, reduce NO in serum (78.71± 19.40,84.75 ± 20.97) and ET-1 in bmnchoalveolar lavage fluid (24.30 ± 5.80,28.50 ±6.31) ( P 〈 0.05, 0.01). Conclusion: Butylphthalide has some effects of anti-asthma and one of the mechanisms is to relieve abnormal increase of NO and ET-1.

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