Salivary IgA is Not a Reliable Indicator of Upper Respiratory Infection in Collegiate Female Soccer Athletes

Vardiman, JP, Riggs, CE, Galloway, DL, Waxman, MB, Touchberry, CD, and Gallagher, PM. Salivary IgA is not a reliable indicator of upper respiratory infection in collegiate female soccer athletes. J Strength Cond Res 25(7)1937-1942, 2011—It has been shown that mucosal immunity measures such as saliva...

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Published in:	Journal of strength and conditioning research Vol. 25; no. 7; pp. 1937 - 1942
Main Authors:	Vardiman, John P, Riggs, Charles E, Galloway, Doug L, Waxman, Mickey B, Touchberry, Chad D, Gallagher, Phillip M
Format:	Journal Article
Language:	English
Published:	United States National Strength and Conditioning Association 01-07-2011 Lippincott Williams & Wilkins Ovid Technologies
Subjects:	Adult Athletes Disease Susceptibility - immunology Female Females Humans Immunity, Mucosal Immunoglobulin A - metabolism Immunoglobulins Incidence Physical Education and Training Proteins - analysis Respiratory diseases Respiratory Tract Infections - diagnosis Respiratory Tract Infections - epidemiology Respiratory Tract Infections - immunology Saliva - chemistry Saliva - immunology Soccer - physiology Sports training Young Adult
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Summary:	Vardiman, JP, Riggs, CE, Galloway, DL, Waxman, MB, Touchberry, CD, and Gallagher, PM. Salivary IgA is not a reliable indicator of upper respiratory infection in collegiate female soccer athletes. J Strength Cond Res 25(7)1937-1942, 2011—It has been shown that mucosal immunity measures such as salivary immunoglobulin A (s-IgA) can be affected by sport activities and has resulted in an increased susceptibility to infection. However, there is limited research that has evaluated the change in s-IgA throughout a full sport training season. The purpose of the study was to evaluate the change in s-IgA levels and incidence of upper respiratory infection in the National Collegiate Athletic Association Division I level female soccer athletes compared to age matched controls over an entire sport training season. Saliva samples were collected from 12 randomly selected female collegiate soccer athletes and 8 age-matched controls. Samples were collected bimonthly from the athletesʼ pre-and post-sport training sessions and pre- and post-90-minute sedentary period for the controls. Analysis showed there was a significant (p < 0.05) group × time interaction in total protein (TP) for collections 1 and 4 and a significant (p < 0.05) group × time interaction in s-IgA/TP for collections 2 and 3. There was no significant difference (p > 0.05) between athletes and controls for s-IgA or total symptom days (TSDs). Furthermore, there was no significant correlation between absolute s-IgA and TSDs or s-IgA/TP and TSDs throughout the sport training season. The large range of measurable levels for s-IgA at the different time points for athletes and controls and the lack of relationship between s-IgA levels and TSDs indicate that s-IgA is not an appropriate measure to determine an athleteʼs susceptibility to during a training season.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1
ISSN:	1064-8011 1533-4287
DOI:	10.1519/JSC.0b013e3181e4f7e6