Platelet-activating factor (PAF) is a newly discovered lipid mediator of inflammation. When inhaled by normal volunteers, it induces bronchoconstriction associated with facial flushing and with a transient fall in circulating neutrophils. Of greater interest is its ability to induce prolonged increases in bronchial responsiveness to methacholine. These observations support an important role for PAF in asthama; the availability of specific PAF antagonists will allow us to test this hypothesis.
Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.
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