The Effect of Supplementary Selenium on Leukocytes and HSP70 Expression after Half-Body Immersion

Title
The Effect of Supplementary Selenium on Leukocytes and HSP70 Expression after Half-Body Immersion
Authors
신영오한민규이정범엄병헌
Keywords
스포츠천연물; 반신욕; 셀레늄; half-body immersion; selenium; serum; HSP70; leukocytes
Issue Date
2011-11
Publisher
한국영양학회지
Citation
VOL 44, NO 5, 378-383
Abstract
This study examined the effect of supplementary selenium on leukocytes and heat shock protein (HSP) 70 expression in serum during half-body immersion. The subjects were male college tennis athletes. All subjects participated in two repeated experiments with a 1 week interval. During the 30 min intermittent half-body immersion, subjects were given 500 mL of water with or without selenium (100 μg). Blood samples were taken from the antecubital vein, and differential counts were made. Serum HSP70 protein was analyzed using a commercial ELISA kit. After half-body immersion, leukocytes and lymphocytes increased significantly but neutrophils decreased significantly in both trials (with or without selenium). Selenium supplementation, compared with placebo, decreased levels of leukocytes, neutrophils, and monocytes, but not lymphocytes, to the resting level or below 60 min after immersion. Only lymphocytes continued to increase in both trials during the recovery period. Serum HSP70 protein level did not change after immersion, but it decreased 60 min after immersion with the administration of selenium. In conclusion, supplementary selenium reduced the systemic immune response and serum HSP70 protein accumulation after half-body immersion.
URI
http://pubs.kist.re.kr/handle/201004/41273
ISSN
0367-6463
Appears in Collections:
KIST Publication > Article
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