期刊
BIOMEDICAL REPORTS
卷 3, 期 3, 页码 425-429出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/br.2015.445
关键词
heat stress; hypothalamus-pituitary-adrenal axis; neuroendocrine; apoptosis
资金
- Ningxia Natural Science Foundation Key Project [NZ13055]
The aim of the present study was to investigate the effect of acute heat stress on the neuroendocrine and immunological function in rats. Male Sprague-Dawley rats were randomly divided into two groups and respectively exposed to heat (32 degrees C) or to room temperature (24 degrees C). After 7 days of heat exposure, the heat-stress rat model was established. The organ coefficients of the pituitary and adrenal glands were determined. The body temperature was measured by telemetry. The average contents of adrenocorticotropic hormone (ACTH), cortisol (Cor), interleukin-2 (IL-2) and IL-12 in serum were detected. The expression of apoptotic genes in the spleen was measured. The results showed that acute heat stress did not evidently affect the body temperature and body weight (P>0.05), but the exposure increased the organ coefficients of the pituitary and adrenal glands (P<0.05). Heat exposure significantly elevated the level of ACTH, Cor, IL-2 and IL-12 (P<0.05). The expression of caspase-3 and Bax were not changed significantly (P>0.05), while Bcl2 was reduced (P<0.05).
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