The different effect of salbutamol and aminophylline on platelet activating factor-induced plasma exudation into guinea pig tracheal wall and lumen

C. Y. Liu, H. P. Kuo

Research output: Contribution to journalArticle

Abstract

We examined the effects of salbutamol, aminophylline and verapamil on plasma exudation into airway wall and lumen in guinea pig trachea isolated in situ. Platelet-activating factor (PAF) (50 ng/kg) induced plasma exudation into both the tissue and lumen. Aminophylline (25 mg/kg) eliminated PAF-induced plasma leakage in the tissue and lumen. Verapamil (500 μg/kg) had neither effect. Salbutamol (160 μg/kg) significantly reduced PAF-induced plasma exudation in the tissue and enhanced plasma recovery in the airway lumen. We conclude that aminophylline inhibited microvascular leakage whereas salbutamol facilitates exudated plasma across epithelium and reduced its accumulation in the tissue.

Original languageEnglish
Pages (from-to)211-216
Number of pages6
JournalChang Gung Medical Journal
Volume19
Issue number3
Publication statusPublished - Nov 14 1996
Externally publishedYes

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Aminophylline
Albuterol
Platelet Activating Factor
Guinea Pigs
Verapamil
Trachea
Epithelium

Keywords

  • anti-asthma drugs
  • asthma
  • microvascular leakage
  • plasma exudation
  • platelet-activating factor

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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abstract = "We examined the effects of salbutamol, aminophylline and verapamil on plasma exudation into airway wall and lumen in guinea pig trachea isolated in situ. Platelet-activating factor (PAF) (50 ng/kg) induced plasma exudation into both the tissue and lumen. Aminophylline (25 mg/kg) eliminated PAF-induced plasma leakage in the tissue and lumen. Verapamil (500 μg/kg) had neither effect. Salbutamol (160 μg/kg) significantly reduced PAF-induced plasma exudation in the tissue and enhanced plasma recovery in the airway lumen. We conclude that aminophylline inhibited microvascular leakage whereas salbutamol facilitates exudated plasma across epithelium and reduced its accumulation in the tissue.",
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N2 - We examined the effects of salbutamol, aminophylline and verapamil on plasma exudation into airway wall and lumen in guinea pig trachea isolated in situ. Platelet-activating factor (PAF) (50 ng/kg) induced plasma exudation into both the tissue and lumen. Aminophylline (25 mg/kg) eliminated PAF-induced plasma leakage in the tissue and lumen. Verapamil (500 μg/kg) had neither effect. Salbutamol (160 μg/kg) significantly reduced PAF-induced plasma exudation in the tissue and enhanced plasma recovery in the airway lumen. We conclude that aminophylline inhibited microvascular leakage whereas salbutamol facilitates exudated plasma across epithelium and reduced its accumulation in the tissue.

AB - We examined the effects of salbutamol, aminophylline and verapamil on plasma exudation into airway wall and lumen in guinea pig trachea isolated in situ. Platelet-activating factor (PAF) (50 ng/kg) induced plasma exudation into both the tissue and lumen. Aminophylline (25 mg/kg) eliminated PAF-induced plasma leakage in the tissue and lumen. Verapamil (500 μg/kg) had neither effect. Salbutamol (160 μg/kg) significantly reduced PAF-induced plasma exudation in the tissue and enhanced plasma recovery in the airway lumen. We conclude that aminophylline inhibited microvascular leakage whereas salbutamol facilitates exudated plasma across epithelium and reduced its accumulation in the tissue.

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