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Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
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Updated: Nov 1, 2025

Advanced Imaging of Lung Homing Human Lymphocytes in an Experimental In Vivo Model of Allergic Inflammation Based on Light-sheet Microscopy
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Immunosuppression in Chronic Asthma.

A G Alexander, C J Corrigan, N C Barnes

    International Archives of Allergy and Immunology
    |June 25, 2021
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    Summary
    This summary is machine-generated.

    T lymphocytes contribute to asthma pathogenesis. Inhibiting T lymphocyte activation with agents like Cyclosporin A (CsA) improved asthma control, suggesting inhaled therapies could offer new treatment options.

    Keywords:
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    Area of Science:

    • Immunology
    • Pulmonology
    • Pharmacology

    Background:

    • T lymphocytes are implicated in the development and progression of asthma.
    • Current oral immunosuppressive therapies for asthma carry significant toxicity risks.

    Purpose of the Study:

    • To evaluate the efficacy of T lymphocyte inhibition in managing asthma.
    • To explore novel inhaled therapeutic strategies for asthma treatment.

    Main Methods:

    • Utilized Cyclosporin A (CsA), an immunosuppressant targeting T lymphocyte activation.
    • Assessed improvements in lung function and reduction in asthma exacerbations.

    Main Results:

    • Cyclosporin A (CsA) demonstrated improved lung function in patients with steroid-dependent asthma.
    • CsA treatment led to a reduced frequency of disease exacerbations.

    Conclusions:

    • Inhibition of T lymphocyte activation is a viable therapeutic strategy for asthma.
    • Inhaled immunosuppressive agents targeting T lymphocytes present a promising new approach for both severe and milder forms of asthma.