Acute phase response in exercise: Interaction of age and vitamin E on neutrophils and muscle enzyme release

Joseph Gerard Cannon, S. F. Orencole, R. A. Fielding, M. Meydani, S. N. Meydani, M. A. Fiatarone, J. B. Blumberg, W. J. Evans

Research output: Contribution to journalArticle

204 Citations (Scopus)

Abstract

Several host defense responses and metabolic reactions that occur during infection have been observed after exercise. We hypothesized that these reactions, known as the 'acute phase response', contribute to the breakdown and clearance of damaged tissue after exercise. This hypothesis was tested with 21 male volunteers representing two ranges of age (22-29 and 55-74 yr), who ran downhill on an inclined treadmill to accentuate damaging eccentric muscular contractions. The subject groups were further divided in a double-blind placebo-controlled protocol, which examined the of 48 days of dietary vitamin E supplementation before the exercise. All subjects were monitored for 12 days after exercise for changes in circulating leukocytes, superoxide release from neutrophils, lipid peroxidation, and efflux of the intramuscular enzyme creatine kinase (CK) into the circulation. Among those receiving placebo, the <30-yr-old subjects responded to exercise with a significantly greater neutrophilia and higher plasma CK concentrations than the >55-yr-old subjects. Dietary supplementation with vitamin E tended to eliminate the differences between the two age groups, primarily by increasing the responses of the >55-yr-old subjects. At the time of peak concentrations in the plasma, CK correlated significantly with superoxide release from neutrophils. The association of enzyme efflux with neutrophil mobilization and function supports the concept that neutrophils are involved in the delayed increase in muscle membrane permeability after damaging exercise.

Original languageEnglish (US)
JournalAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology
Volume259
Issue number6 28-6
StatePublished - Dec 1 1990

Fingerprint

Acute-Phase Reaction
Vitamin E
Neutrophils
Exercise
Muscles
Enzymes
Creatine Kinase
Superoxides
Placebos
Muscle Contraction
Dietary Supplements
Lipid Peroxidation
Volunteers
Permeability
Leukocytes
Age Groups
Membranes
Infection

Keywords

  • creatine kinase
  • lipid peroxides
  • muscle damage
  • superoxide

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Cannon, J. G., Orencole, S. F., Fielding, R. A., Meydani, M., Meydani, S. N., Fiatarone, M. A., ... Evans, W. J. (1990). Acute phase response in exercise: Interaction of age and vitamin E on neutrophils and muscle enzyme release. American Journal of Physiology - Regulatory Integrative and Comparative Physiology, 259(6 28-6).

Acute phase response in exercise : Interaction of age and vitamin E on neutrophils and muscle enzyme release. / Cannon, Joseph Gerard; Orencole, S. F.; Fielding, R. A.; Meydani, M.; Meydani, S. N.; Fiatarone, M. A.; Blumberg, J. B.; Evans, W. J.

In: American Journal of Physiology - Regulatory Integrative and Comparative Physiology, Vol. 259, No. 6 28-6, 01.12.1990.

Research output: Contribution to journalArticle

Cannon, JG, Orencole, SF, Fielding, RA, Meydani, M, Meydani, SN, Fiatarone, MA, Blumberg, JB & Evans, WJ 1990, 'Acute phase response in exercise: Interaction of age and vitamin E on neutrophils and muscle enzyme release', American Journal of Physiology - Regulatory Integrative and Comparative Physiology, vol. 259, no. 6 28-6.
Cannon, Joseph Gerard ; Orencole, S. F. ; Fielding, R. A. ; Meydani, M. ; Meydani, S. N. ; Fiatarone, M. A. ; Blumberg, J. B. ; Evans, W. J. / Acute phase response in exercise : Interaction of age and vitamin E on neutrophils and muscle enzyme release. In: American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 1990 ; Vol. 259, No. 6 28-6.
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