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Related Experiment Video

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Moderate regular exercises reduce inflammatory response for physical stress.

V Ambarish1, S Chandrashekara, K P Suresh

  • 1Department of Physiology, M.S. Ramaiah Medical College, Bangalore, India.

Indian Journal of Physiology and Pharmacology
|October 4, 2012
PubMed
Summary
This summary is machine-generated.

Acute exercise temporarily increases pro-inflammatory cytokines like Interleukin-6 (IL-6) and Tumour Necrosis Factor Alpha (TNF-alpha). Regular moderate exercise, however, shows beneficial effects by reducing these inflammatory markers below baseline levels.

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Area of Science:

  • Exercise Physiology
  • Immunology
  • Biochemistry

Background:

  • Exercise is known to induce inflammatory responses.
  • Pro-inflammatory cytokines, such as Interleukin-6 (IL-6) and Tumour Necrosis Factor Alpha (TNF-alpha), play a role in these responses.

Purpose of the Study:

  • To assess the impact of different exercise intensities and durations on inflammatory cytokine levels.
  • To investigate the acute and chronic effects of exercise on IL-6 and TNF-alpha.

Main Methods:

  • Twenty healthy volunteers (18-30 years) participated in the study.
  • Participants underwent a single bout of moderate exercise, a single bout of strenuous exercise, and one month of regular moderate exercise using the 10m Shuttle Walk Test.
  • Plasma levels of IL-6 and TNF-alpha were measured using Sandwich ELISA before and after each exercise regime.

Main Results:

  • Acute moderate exercise and acute strenuous exercise led to significant increases in plasma IL-6 and TNF-alpha levels.
  • IL-6 levels increased further with strenuous exercise compared to moderate exercise.
  • After one month of regular moderate exercise, both IL-6 and TNF-alpha levels decreased below baseline, though this reduction was not statistically significant.
  • Overall, significant differences in cytokine levels were observed across different exercise grades.

Conclusions:

  • Acute exercise, particularly strenuous activity, elevates pro-inflammatory cytokines IL-6 and TNF-alpha.
  • Regular moderate exercise demonstrates a beneficial effect by reducing these inflammatory markers.
  • Exercise intensity and regularity are key factors influencing the inflammatory cytokine response.