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Related Experiment Videos

Immuno-modulation by exercise: review.

S K Singh1

  • 1Department of Physiology, P.S. Medical College, Karamsad, Gujarat.

Indian Journal of Medical Sciences
|May 1, 1992
PubMed
Summary

Intense exercise can weaken the immune system, reducing lymphocyte proliferation and potentially impairing cellular and humoral immunity. This immune suppression is often linked to stress hormones like glucocorticoids.

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Area of Science:

  • Immunology
  • Exercise Physiology
  • Endocrinology

Background:

  • Chronic and exhaustive exercise is known to impact immune function.
  • A decline in lymphocyte proliferation suggests a compromised immune response.
  • Existing research links exercise-induced immunosuppression to stress hormones.

Purpose of the Study:

  • To investigate the effects of chronic and exhaustive exercise on immune function.
  • To explore the relationship between exercise, stress, and immune suppression.
  • To understand the role of glucocorticoids in exercise-induced immunosuppression.

Main Methods:

  • In-vitro and in-vivo studies were conducted.
  • Lymphocyte proliferation assays were utilized.
  • Measurements of glucocorticoid levels in response to exercise stress were likely assessed (inferred).

Main Results:

  • Chronic and exhaustive exercise resulted in decreased mitogen-induced lymphocyte proliferation.
  • This decline indicates a reduction in both cellular and humoral immunity.
  • The findings support the hypothesis that glucocorticoid production contributes to exercise-induced immunosuppression.

Conclusions:

  • Exhaustive exercise negatively affects immune system components, specifically lymphocyte function.
  • Glucocorticoid production, stimulated by exercise stress, is a likely mechanism behind this immune suppression.
  • Further research may elucidate specific pathways and interventions.

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