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Titolo:
Mucosal IgA response to repeated wingate tests in females
Autore:
Fahlman, MM; Engels, HJ; Morgan, AL; Kolokouri, I;
Indirizzi:
Wayne State Univ, HPR, Detroit, MI 48202 USA Wayne State Univ Detroit MI USA 48202 te Univ, HPR, Detroit, MI 48202 USA Univ Toledo, Toledo, OH 43606 USA Univ Toledo Toledo OH USA 43606Univ Toledo, Toledo, OH 43606 USA
Titolo Testata:
INTERNATIONAL JOURNAL OF SPORTS MEDICINE
fascicolo: 2, volume: 22, anno: 2001,
pagine: 127 - 131
SICI:
0172-4622(200102)22:2<127:MIRTRW>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
SALIVARY IMMUNOGLOBULIN-A; RESPIRATORY-TRACT INFECTIONS; MODERATE-INTENSITY EXERCISE; LYMPHOCYTE SUBPOPULATIONS; STRENUOUS EXERCISE; ELITE SWIMMERS; SECRETION RATE; EXHAUSTION; IMMUNITY; DURATION;
Keywords:
immune function; upper respiratory tract infection; maximal effort exercise; repeated exercise;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Fahlman, MM Wayne State Univ, HPR, Matthaei 262, Detroit, MI 48202 USA Wayne State Univ Matthaei 262 Detroit MI USA 48202 I 48202 USA
Citazione:
M.M. Fahlman et al., "Mucosal IgA response to repeated wingate tests in females", INT J SP M, 22(2), 2001, pp. 127-131

Abstract

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) infemales. 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 testingprotocol. IgA, protein and osmolality were measured, and secretory IgA (S-IgA), 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 mul/min), S-IgA (55.8 +/- 4.7; 35.4 +/- 3.6mug/min), and IgA:Protein ratio (30.7 +/- 3.0; 17.5 +/- 1.8 mug 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 femalesin 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.

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Documento generato il 12/07/20 alle ore 09:02:44