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Related Experiment Videos

Immunomodulation by histamine.

L Stanciu

    Annales De Biologie Clinique
    |January 1, 1990
    PubMed
    Summary
    This summary is machine-generated.

    Blood histamine is vital for immune balance, regulating responses via H-2 receptors. Lower histamine levels correlate with immune deficiencies like cancer and AIDS, suggesting histamine-based therapies.

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    Area of Science:

    • Immunology
    • Histamine Biology

    Background:

    • Blood histamine plays a crucial role in maintaining immune homeostasis.
    • Histamine, acting directly or via H-2 receptors, modulates excessive immune responses.
    • Altered histamine levels and H-2 receptor numbers are observed in various immune-compromised conditions.

    Purpose of the Study:

    • To investigate the role of blood histamine in immune homeostasis.
    • To explore the relationship between histamine levels, H-2 receptors, and immune function in conditions like atopy, cancer, hypogammaglobulinemia, and AIDS.
    • To evaluate the potential of histamine and H-2 antagonists as therapeutic agents.

    Main Methods:

    • Review of recent studies on cell-mediated immunity.
    • Analysis of blood histamine levels and H-2 receptor status in different patient groups.

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  • Examination of therapeutic approaches using H-2 antagonists and histamine.

    • Main Results:

    • Increased histaminemia in atopic subjects correlates with enhanced cancer protection.
    • Decreased blood histamine and altered H-2 receptor numbers are linked to immune depression in cancer, hypogammaglobulinemia, and AIDS.
    • These findings suggest a protective role for histamine in immune function.

    Conclusions:

    • Blood histamine is a key regulator of immune responses and homeostasis.
    • Histamine deficiency contributes to immune suppression in certain diseases.
    • Therapeutic strategies involving histamine or H-2 antagonists show promise for treating immune disorders.