Document Detail


Mucosal IgA response to repeated wingate tests in females.
MedLine Citation:
PMID:  11281615     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this study was to examine the effect of repeated bouts of brief, intermittent, maximal effort exercise on the concentration of secretory IgA (S-IgA) and incidence of upper respiratory tract infection (URTI) in females. Twenty-six non-smoking, active, adult females participated in this study. The exercise intervention consisted of three consecutive, all-out 30-second Wingate leg cycling tests (0.075 kg/kg body mass), which were separated by three minutes of recovery. Unstimulated saliva was collected prior to (PRE) and five minutes after completion (POST) of the exercise testing protocol. IgA, protein and osmolality were measured, and secretory IgA (SIgA), IgA:Protein, and IgA: Osmolality were calculated. In addition, subjects completed standard logs indicating signs and symptoms of upper respiratory tract infection (URTI) for three weeks following the test. Saliva flow rates (478.5 +/- 50; 345.4 +/- 50 microl/min), S-IgA (55.8 +/- 4.7; 35.4 +/- 3.6 microg/min), and IgA: Protein ratio (30.7 +/- 3.0; 17.5 +/- 1.8 microg IgA/mg protein) were significantly lower POST compared to PRE (P < 0.05). No significant differences were observed for raw IgA, protein, osmolality, and IgA: osmolality. The results of this study show that brief, intermittent, maximal effort exercise results in an acute decrease in S-IgA in healthy adult females in less than eight minutes. However, this exercise induced transient decrease did not appear to be associated with an increase in clinical symptoms of URTI in the weeks following the exercise test intervention.
Authors:
M M Fahlman; H J Engels; A L Morgan; I Kolokouri
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of sports medicine     Volume:  22     ISSN:  0172-4622     ISO Abbreviation:  Int J Sports Med     Publication Date:  2001 Feb 
Date Detail:
Created Date:  2001-04-02     Completed Date:  2001-05-31     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8008349     Medline TA:  Int J Sports Med     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  127-31     Citation Subset:  IM    
Affiliation:
Wayne State University, Detroit, MI 48202, USA. m.fahlman@wayne.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Exercise / physiology*
Exercise Test
Female
Humans
Immunoglobulin A / analysis*
Mucous Membrane / immunology
Respiratory Tract Infections / etiology,  immunology*
Chemical
Reg. No./Substance:
0/Immunoglobulin A
Comments/Corrections
Erratum In:
Int J Sports Med 2001 May;22(4):284

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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