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Related Experiment Videos

Depressed lymphocyte function after bereavement.

R W Bartrop, E Luckhurst, L Lazarus

    Lancet (London, England)
    |April 16, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    Severe stress from bereavement can impair immune function, specifically T-cell responses, in spouses. This study shows measurable immune abnormalities linked to psychological stress, independent of hormonal changes.

    Area of Science:

    • Psychoneuroimmunology
    • Immunology
    • Stress Research

    Background:

    • Bereavement represents a significant life stressor with potential health implications.
    • The impact of severe psychological stress on the human immune system requires further elucidation.
    • Previous research has not definitively linked psychological stress to specific immune function deficits.

    Purpose of the Study:

    • To prospectively investigate the effects of severe psychological stress (bereavement) on immune system parameters.
    • To assess changes in T and B lymphocyte function and numbers following bereavement.
    • To determine if observed immune changes correlate with hormonal alterations.

    Main Methods:

    • Prospective study involving 26 bereaved spouses.
    • Assessment of T and B cell numbers and function at 2 weeks and 6 weeks post-bereavement.

    Related Experiment Videos

  • Measurement of hormone concentrations (cortisol, prolactin, growth hormone, thyroid hormones) and immune assays (phytohaemagglutinin, concanavalin A).

    • Main Results:

    • A significant depression in the response to phytohaemagglutinin and concanavalin A was observed in bereaved spouses at 6 weeks.
    • No significant differences were found in T and B cell numbers between bereaved individuals and controls.
    • Hormone levels, autoantibodies, and delayed hypersensitivity responses did not differ significantly between groups.

    Conclusions:

    • Severe psychological stress associated with bereavement can lead to measurable abnormalities in immune function.
    • The observed immune dysfunction appears independent of significant hormonal changes.
    • This study provides evidence for a direct link between psychological stress and immune system impairment.