European Journal of Applied Physiology

, Volume 87, Issue 2, pp 153–158

Effect of moderate exercise on salivary immunoglobulin A and infection risk in humans

Authors

  • Panagiota Klentrou
    • Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
  • Thomas Cieslak
    • Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
  • Melanie MacNeil
    • Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
  • Angela Vintinner
    • Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
  • Michael Plyley
    • Faculty of Applied Health Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
Original Article

DOI: 10.1007/s00421-002-0609-1

Cite this article as:
Klentrou, P., Cieslak, T., MacNeil, M. et al. Eur J Appl Physiol (2002) 87: 153. doi:10.1007/s00421-002-0609-1

Abstract.

The incidence of upper respiratory tract infections (URTI) and salivary immunoglobulin A concentrations [IgAs] of nine individuals were examined during 12 weeks of moderate exercise training, and compared to ten sedentary controls. Changes in maximal oxygen uptake were assessed at initial, mid-point and final evaluations (T1–3), while changes in [IgAs] and salivary immunoglobulin concentration-salivary albumin concentration ratio ([IgAs]:[Albs]) were monitored at T1 and T3. During the 12 week period, symptoms of URTI were self-recorded daily. During the period of training the level of fitness significantly increased (P<0.05) in the exercise group. The number of days recording symptoms of influenza, but not of cold, and total light URTI symptoms was significantly reduced in the exercise group during the last weeks of training. A significant increase in [IgAs] and in [IgAs]:[Albs] was found in the exercise group after training. Both [IgAs] and [IgAs]:[Albs] were significantly related to the number of days showing symptoms of influenza (P<0.01) and the total number of days of sickness (P<0.05). These data provide quantitative support for the belief that regular, moderate exercise results in an increased [IgAs] at rest and [IgAs]:[Albs], which may contribute to a decreased risk of infection.

Salivary immunoglobulin A:albumin ratio Upper respiratory tract infection Immunosurveillance Aerobic training

Copyright information

© Springer-Verlag 2002