期刊
FRONTIERS IN NEUROENDOCRINOLOGY
卷 30, 期 1, 页码 30-45出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2008.10.001
关键词
Interleukin-1; Stress; HPA axis; Glucocorticoids; Memory; Plasticity; Depression; Neurogenesis
资金
- Israel Science Foundation [295/07]
- Israel Ministry of Health [2985]
- Israel Foundations Trustees [27/34]
Ample evidence demonstrates that the pro-inflammatory cytokine interleukin-1 (IL-1), produced following exposure to immunological and psychological challenges, plays an important role in the neuroendocrine and behavioral stress responses. Specifically, production of brain IL-1 is an important link in stress-induced activation of the hypothalamus-pituitary-ad renal axis and secretion of glucocorticoids, which mediate the effects of stress on memory functioning and neural plasticity, exerting beneficial effects at low levels and detrimental effects at high levels. Furthermore, IL-1 signaling and the resultant glucocorticoid secretion mediate the development of depressive symptoms associated with exposure to acute and chronic stressors, at least partly via suppression of hippocampal neurogenesis. These findings indicate that whereas under some physiological conditions low levels of IL-1 promote the adaptive stress responses necessary for efficient coping, under severe and chronic stress conditions blockade of IL-1 signaling can be used as a preventive and therapeutic procedure for alleviating stress-associated neuropathology and psychopathology. (C) 2008 Elsevier Inc. All rights reserved.
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