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Basketball exercise and secretory immunoglobulin A.

G D Tharp1

  • 1School of Biological Sciences, University of Nebraska-Lincoln 68588.

European Journal of Applied Physiology and Occupational Physiology
|January 1, 1991
PubMed
Summary

Basketball exercise boosts saliva immunoglobulin A (IgA) levels in young athletes. Chronic training throughout the season may enhance resting IgA, potentially increasing protection against infections.

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Area of Science:

  • Sports Medicine
  • Immunology
  • Pediatric Exercise Science

Background:

  • Salivary immunoglobulin A (IgA) is crucial for mucosal immunity.
  • Exercise can impact immune responses, but data on adolescent athletes is limited.
  • Understanding IgA changes in response to basketball training is important for athlete health.

Purpose of the Study:

  • To investigate the effects of basketball games and practices on saliva IgA levels in adolescent athletes.
  • To determine if chronic exercise over a season influences resting saliva IgA concentrations.
  • To assess the potential role of saliva IgA changes in protecting athletes from respiratory infections.

Main Methods:

  • Saliva samples were collected from prepubescent and postpubescent male basketball players before and after exercise.
  • Enzyme-linked immunosorbent assay (ELISA) was used to quantify saliva IgA concentrations.
  • Data were analyzed to compare IgA levels across games, practices, and over the 2-month season.

Main Results:

  • Saliva IgA levels significantly increased immediately after games 1 and 3 for both age groups.
  • High school athletes showed increased IgA after practice 3.
  • Resting saliva IgA levels increased significantly over the 2-month season, with later games and practices showing higher levels.

Conclusions:

  • Basketball exercise acutely elevates saliva IgA levels in adolescent athletes.
  • Sustained training during the basketball season appears to enhance baseline saliva IgA.
  • Increased saliva IgA may offer improved defense against respiratory pathogens for athletes.

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