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Stress-induced cytokine changes in rats

Citation

Himmerich, H and Fischer, J and Bauer, K and Kirkby, KC and Sack, U and Krugel, U, Stress-induced cytokine changes in rats, European Cytokine Network, 24, (2) pp. 97-103. ISSN 1952-4005 (2013) [Refereed Article]


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Copyright Statement

Copyright 2013 John Libbey Eurotext

DOI: doi:10.1684/ecn.2013.0338

Abstract

Stress-induced cytokine changes may be the link between stress and the pathogenesis of psychiatric disorders such as depression, and organic diseases such as infections, autoimmune diseases and cancer. We tested the effect of stress on interleukin (IL)-2, IL-4, IL-6, IL-10, IL-22, tumour necrosis factor (TNF)-α and interferon (IFN)-γ serum levels in male Wistar rats. Rats underwent either acute stress by forced swimming (N = 8), chronic restraint stress (N = 8), or were not subjected to any stress (N = 8). IL-2 serum levels were significantly higher in forced swimming, but not in restraint stress rats, compared to non-stressed rats. IL-4, IL-6, IL-10 and TNF-α levels were higher in both forced swimming and restraint stress compared to non-stressed rats. IFN-γ production was significantly decreased by restraint stress, but not by forced swimming. IL-22 was not affected significantly by either stress condition. Alterations in the pro-inflammatory cytokines IL-6 and TNF-α may indicate a pathophysiological pathway from acute and chronic stress to the development of depression. Changes in IL-4 and IL-10 may link acute and chronic stress to autoimmune disorders, allergies or cancer. The reported changes in IFN-γ could provide an explanation for the higher susceptibility to infection seen in life periods associated with sustained levels of stress.

Item Details

Item Type:Refereed Article
Keywords:stress, cytokines, rats, IL-2, IL-4, IL-6, IL-10, IL-22, TNF-alpha, IFN-gamma
Research Division:Medical and Health Sciences
Research Group:Clinical Sciences
Research Field:Psychiatry (incl. Psychotherapy)
Objective Division:Health
Objective Group:Public Health (excl. Specific Population Health)
Objective Field:Mental Health
Author:Kirkby, KC (Professor Kenneth Kirkby)
ID Code:87280
Year Published:2013
Web of Science® Times Cited:36
Deposited By:Medicine (Discipline)
Deposited On:2013-11-12
Last Modified:2017-11-06
Downloads:0

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