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The cytokine response to physical activity and training
A I Moldoveanu1, R J Shephard, P N Shek
1Program in Exercise Sciences, Graduate Department of Community Health, University of Toronto, Ontario, Canada.
Sports Medicine (Auckland, N.Z.)
|March 3, 2001
Summary
Physical activity influences inflammatory cytokine production, impacting immune responses similarly to trauma and infection. Understanding this balance is crucial for assessing exercise
Area of Science:
- Immunology
- Exercise Physiology
- Molecular Biology
Background:
- Cytokines are key signaling glycoproteins mediating cellular communication in immune and non-immune systems.
- Inflammatory cytokines (pro- and anti-inflammatory) are modulated by stimuli like physical activity, trauma, and infection.
- Physical activity shares similarities with trauma/infection responses in cytokine production.
Purpose of the Study:
- To review the cytokine response to short-term exercise stress.
- To examine the balance between pro- and anti-inflammatory cytokine mechanisms.
- To discuss the impact of exercise on innate and specific immune parameters via cytokine regulation.
Main Methods:
- Review of existing literature on short-term exercise stress and cytokine responses.
- Analysis of cross-sectional and longitudinal studies on long-term exercise training.
- Scrutiny of exercise as a model for trauma and sepsis, considering physiological changes and outcomes.
Main Results:
- Short-term exercise stress modulates both pro- and anti-inflammatory cytokines.
- Long-term exercise training affects various immune system facets through cytokine regulation.
- Exercise exhibits similarities but also limitations as a model for trauma and sepsis.
Conclusions:
- Physical activity significantly impacts systemic and local cytokine profiles.
- Further research is needed on novel cytokines and their regulation by physical activity.
- Clarifying exercise's role in immune function and infection resistance is essential.