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Related Experiment Videos

[Functional-morphological changes in the lungs in bronchial asthma].

I M Kodolova

    Arkhiv Patologii
    |January 1, 1976
    PubMed
    Summary

    During bronchial asthma attacks, immediate-type hypersensitivity causes allergic inflammation along the entire broncho-vascular barrier. This leads to airway obstruction due to edema, mucus hypersecretion, and epithelial damage.

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    [Primary malignant mesenchymoma of the lung].

    Arkhiv patologii·1988

    Area of Science:

    • Pulmonary Medicine
    • Immunology
    • Pathology

    Context:

    • Bronchial asthma attacks involve complex inflammatory processes affecting the respiratory system.
    • Understanding the cellular and molecular mechanisms of allergic inflammation is crucial for asthma management.

    Purpose:

    • To investigate the histological and immunohistochemical changes in bronchial mucosa during asthma attacks.
    • To elucidate the role of immunoglobulin E (IgE) and associated mediators in allergic airway inflammation.

    Summary:

    • Histological and immunohistochemical analysis of bronchial specimens revealed serous-desquamous allergic inflammation along the broncho-vascular barrier during asthma attacks.
    • This inflammation is mediated by immediate-type hypersensitivity, triggered by antigen-IgE reactions, leading to IgE deposition in various mucosal tissues and cells.
    • Key inflammatory markers include vasodilation, increased vascular permeability, edema, eosinophil migration, mast cell degranulation, smooth muscle spasm, and epithelial changes, ultimately causing bronchial obstruction.

    Impact:

    • Provides detailed insights into the pathobiology of acute asthma exacerbations.
    • Highlights the critical role of IgE-mediated immediate hypersensitivity in asthma pathogenesis.
    • Identifies key inflammatory mediators and cellular responses that contribute to airway dysfunction and obstruction.

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