Modulation of pulmonary inflammation after endotoxin inhalation with a platelet-activating factor antagonist (48740 RP)

R. Rylander, L. Beijer, Robert Clark Lantz, R. Burrell, P. Sedivy

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Abstract

An acute pulmonary response was induced in guinea pigs and hamsters by inhalation of bacterial endotoxin in the form of a purified lipopolysaccharide (LPS). Pretreatment with the platelet-activating factor (PAF) antagonist, 48740 RP, inhibited damage to endothelial cells, decreased vascular permeability and the number of neutrophils in the airways 24 h after exposure to LPS. The increase in the number of platelets in the airways caused by endotoxin was not affected. The results suggest that PAF modulates early inflammation after endotoxin inhalation.

Original languageEnglish (US)
Pages (from-to)303-307
Number of pages5
JournalInternational Archives of Allergy and Applied Immunology
Volume86
Issue number3
Publication statusPublished - 1988
Externally publishedYes

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ASJC Scopus subject areas

  • Immunology and Allergy

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