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中国临床药理学与治疗学 ›› 1998, Vol. 3 ›› Issue (1): 5-8.

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眼镜蛇毒因子对实验性家犬呼吸窘迫综合征的保护作用

任先达, 黄守坚2, 孙家钧2, 朱正光3   

  1. 暨南大学医学院药理教研室, 广州510632;
    2中山医科大学药理教研室;
    3第一军医大学药理教研室
  • 收稿日期:1997-12-16 出版日期:1998-03-26 发布日期:2020-12-04
  • 作者简介:任先达, 男, 51 岁, 副教授, 国际心脏病学会会员, 中国药理学会抗炎免疫药理学专业委员会委员, 主要研究天然药物的有效成分。孙家钧, 男, 71 岁, 博士研究生导师, 主要研究心血管系统药物和蛇毒。
  • 基金资助:
    本课题由中华医学基金会(CMB) 及国家自然科学基金(No.39270782)资助。

Protective effect of cobra venom factor on experimental respiratory distress syndrome in dogs

REN Xian-Da, HUANG Shou-Jian1, SUN Jia-Jun1, ZHU Zheng-Guang2   

  1. Dempartment of Pharmacology, Medical College of Jinan University, Guangzhou 510632;
    1Department of Pharmacology, Sun Yet-Sen University of Medical Sciences;
    2Department of Pharmacology, First Military Medical University
  • Received:1997-12-16 Online:1998-03-26 Published:2020-12-04

摘要: 目的 观察从中华眼镜蛇(Najanajaatra)蛇毒中分离纯化的眼镜蛇因子对油酸型呼吸窘迫综合征的保护作用。方法 利用质谱仪、呼吸流量计和压力换能器分别连续监测麻醉狗的主要呼吸功能参数, 实验后取肺组织作病理学检查。结果 预先用足量眼镜蛇毒因子使体内补体耗竭95%以上, 可显著减轻油酸引起的肺功能障碍, 组织学检查发现在透明膜形成、肺泡内出血及肺小动脉栓塞等方面均有显著改善。结论 活化的补体在油酸引起的肺损伤的发展过程中发挥着重要作用, 眼镜蛇毒因子通过耗竭血清补体可抑制呼吸窘迫综合征的发展。

关键词: 蛇毒因子, 眼镜蛇, 油酸, 呼吸窘迫综合征, 补体

Abstract: Aim To study the protective effect of cobra venom factor (CVF), separated from the venom of Najanaja atra, on respiratory dist ress syndrome (RDS)induced by oleic acid.Methods The main parameters of respira to ry function in anaesthet ized dogs were co ntinually mo ni to red by mass spect rometer, pneumo-tachog raph and pressure transduce rs.The lung tissues were taken immediately after the experiment for histolo gical examination.Results CVF, given 20 h before the do sage depleting more than 95% of the complements, significantly at tenuated oleic acid-induced pulmonary dy sfunction.Histo logical examination showed improvement of hyaline membrane formation, alveolar haemo rrhag e and pulmonary arte riolar thrombosis.Conclusion Complement plays an important role in the development of lung injury induced by oleic acid.The depletion of serum complements by CVF inhibits the development of RDS

Key words: cobra venom factor, Najanaja atra, oleic acid, respiratory distress syndrome, complement

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