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Mediators and non-specific bronchial hyperreactivity.

R Pauwels

    European Journal of Respiratory Diseases. Supplement
    |January 1, 1983
    PubMed
    Summary
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    Bronchial hyperreactivity and mediator release are key features of asthma pathogenesis. These factors appear to influence each other, suggesting potential therapeutic targets for asthma management.

    Area of Science:

    • Pulmonary Medicine
    • Immunology
    • Pathophysiology

    Background:

    • Bronchial hyperreactivity is a hallmark of bronchial asthma.
    • The relationship between inflammatory mediators and bronchial reactivity is central to asthma pathogenesis.
    • Understanding this interplay is crucial for developing effective asthma therapies.

    Purpose of the Study:

    • To explore the intricate relationship between mediators and non-specific bronchial reactivity in asthma.
    • To review evidence supporting the bidirectional influence of mediators and bronchial reactivity.
    • To discuss the potential therapeutic implications of this relationship.

    Main Methods:

    • Review of existing literature and hypotheses on asthma pathogenesis.
    • Analysis of observations linking mediator release to changes in bronchial reactivity.

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  • Examination of factors influencing non-specific bronchial reactivity, such as allergens, infections, and environmental exposures.

    • Main Results:

    • Bronchial reactivity is influenced by pre-existing non-specific reactivity and mediator release.
    • Mediators can modify non-specific bronchial reactivity through various mechanisms, including increased mucosal permeability and altered nerve pathways.
    • Factors like pollen season, allergic rhinitis, ozone exposure, viral infections, and allergen exposure can modulate bronchial reactivity, often involving mediator release.

    Conclusions:

    • Mediator release and non-specific bronchial reactivity are closely interrelated in bronchial asthma.
    • Individual variations in the interplay between mediators and reactivity may hold therapeutic significance.
    • Targeting mediator release or modulating bronchial reactivity could be key strategies in asthma management.