Document Detail

Exercise in, and adaptations to a cold environment have no effect on SIgA.
MedLine Citation:
PMID:  19861939     Owner:  NLM     Status:  MEDLINE    
AIM: The authors hypothesized that inconsistent SIgA response to exercise is caused by the different adaptative status of subjects to a cold environment. The purposes of the study were to examine whether moderate-intense exercise in a cold environment decreases SIgA and whether adaptation to a cold environment has any effect on SIgA. METHODS: Young male skaters, short track (N=9) and inline (N=10), participated in this study. All subjects cycled for 60 min at 65% VO(2max) in cold (ambient temperature: 5 +or - 1 degrees Celsius, relative humidity 41 + or - 9%) and thermoneutral (ambient temperature: 21 + or - 1 degrees Celsius, relative humidity 35 + or - 5%) conditions. Saliva samples were collected as follows: before and after 1hour of environmental exposure; immediately, 30-min, 60-min and 120-min after the exercise. RESULTS AND CONCLUSIONS: Salivary SIgA and saliva flow rate decreased after the exercise in both groups only in thermoneutral conditions. The SIgA secretion rate did not decrease after moderate-high intensity exercise in a cold environment, and the SIgA response to exercise was not affected by the different adaptative status of subjects to the cold environment.
T Akimoto; K Kim; R Yamauchi; S Izawa; C Hong; K Aizawa; H Lee; K Suzuki
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of sports medicine and physical fitness     Volume:  49     ISSN:  0022-4707     ISO Abbreviation:  J Sports Med Phys Fitness     Publication Date:  2009 Sep 
Date Detail:
Created Date:  2009-10-28     Completed Date:  2010-03-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376337     Medline TA:  J Sports Med Phys Fitness     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  315-9     Citation Subset:  IM    
Laboratory of Regenerative Medical Engineering, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan.
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MeSH Terms
Adaptation, Physiological*
Analysis of Variance
Cold Temperature*
Enzyme-Linked Immunosorbent Assay
Exercise / physiology*
Immunoglobulin G / analysis*
Oxygen Consumption / physiology
Saliva / chemistry*
Skating / physiology*
Young Adult
Reg. No./Substance:
0/Immunoglobulin G

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