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Related Experiment Videos

Stress in autoimmune disease models.

M S Harbuz1, L J Richards, A J Chover-Gonzalez

  • 1HW LINE, Dorothy Hodgkin Building, Whitson Street, Bristol BS1 3NY, United Kingdom.

Annals of the New York Academy of Sciences
|July 21, 2006
PubMed
Summary

Acute stress exposure can protect against autoimmune disease by altering the body's response to inflammation. This suggests stress may not always be detrimental, offering potential therapeutic insights.

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The effect of hypothalamic lesions on hypothalamo-pituitary-adrenal axis activity and inflammation in adjuvant-induced arthritis.

Stress (Amsterdam, Netherlands)·2012

Area of Science:

  • Neuroimmunology
  • Endocrinology
  • Rheumatology

Background:

  • Endogenous glucocorticoids regulate inflammatory disease activity, including rheumatoid arthritis (RA).
  • Disrupting cortisol production or adrenal function exacerbates autoimmune conditions.
  • The hypothalamo-pituitary-adrenal (HPA) axis is activated during inflammation in rat models of RA.

Purpose of the Study:

  • To investigate the role of the HPA axis in regulating inflammation.
  • To explore the impact of acute stress on autoimmune disease susceptibility.
  • To challenge the notion that stress is universally detrimental.

Main Methods:

  • Utilized the adjuvant-induced arthritis (AA) rat model, a model for RA.
  • Examined changes in the paraventricular nucleus peptides regulating the HPA axis.

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  • Assessed the HPA axis response to acute stress in AA rats.

    • Main Results:

    • Activation of the HPA axis and changes in regulatory peptides were observed during inflammation in AA rats.
    • Acute stress exposure altered rat phenotype, shifting susceptibility to autoimmune disease.
    • This stress-induced resistance to autoimmune disease manifested over days and persisted for weeks.

    Conclusions:

    • The HPA axis plays a crucial role in modulating inflammatory responses.
    • Acute stress can confer resistance to autoimmune disease, indicating potential beneficial effects.
    • Understanding HPA axis regulation offers promise for targeted therapies for inflammatory conditions.