Paper Information

Journal:   PARS JOURNAL OF MEDICAL SCIENCES (JAHROM MEDICAL JOURNAL)   SPRING 2010 , Volume 8 , Number 1; Page(s) 14 To 18.
 
Paper: 

THE EFFECT SWIMMING CHRONIC STRESS ON PLASMA LEPTIN CONCENTRATION IN ADULT MALE RATES

 
 
Author(s):  KARGAR JAHROMI H.*, ZAREIAN P., KARGAR JAHROMI Z., KOUSHA M.
 
* DEPARTMENT OF BIOLOGY, YOUNG RESEARCHERS CLUB, AZAD UNIVERSITY OF JAHROM, JAHROM, IRAN
 
Abstract: 
Introduction
Leptin is a peptide hormone which is primarily secreted by adipose tissue, regulating the body weight, metabolism and reproductive system functioning. Stress activates hypothalamic- pituitary adrenocortical (HPA) axis that is responsible for the maintenance of homeostasis during stress.
Recently, it ihas been known that leptin has an important role in these stress responses. Therefore, the purpose of the present investigation was to determine the effect of chronic swimming stress on plasma leptin concentratin and evaluate the role of adrenal glands in the level of leptin.
Material and methods
Sixty adult male rats were enrolled in this experimental study. The rats were randomly assigned to six groups. Adrenaletomy was done in the adrenalectomized groups. Chronic stress was administered by water immersion for seven days (10 min/day).
Results
Chronic stress increased and adrenalectomy decreased the plasma leptin level. Stress had no significant effect on the plasma leptin concentration. in the adrenalectomized rats.
Conclusion
Chronic swimming stress activates HPA axis and, in turn, HPA activity probably stimulates leptin secretion.
 
Keyword(s): SWIMMING STRESS, LEPTIN, ADRENALECTOMY
 
References: 
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