期刊
NEUROPSYCHOPHARMACOLOGY
卷 22, 期 6, 页码 566-580出版社
NATURE PUBLISHING GROUP
DOI: 10.1016/S0893-133X(99)00166-9
关键词
cytokines; corticosterone; dopamine; monomines; neurochemical; norepinephrine; serotonin; synergism; IL-1; IL-6; TNF-alpha
The proinflammatory cytokines interleukin-1 beta (IL-1 beta), IL-6, and tumor necrosis factor-alpha (TNF-alpha) influence neurodoendocrine activity, promote central neurotransmitter alterations, and induce a constellation of symptoms collectively referred to as sickness behaviors. These cytokines may also elicit anxiety and disturbances in humans. In the present investigation, systemic IL-1 beta and TNF-alpha dose-dependently and syngergistically distributed consumption of highly palatable food source (chocolate milk), possibly reflecting anorexia or anhedonia endangered by the treatments. As well, these cytokines synergistically increased plasma corticosterone levels. Although IL-1 beta and TNF-alpha provoked variations of amine turnover in the hypothalanus, locus coeruleus, and central amygdala, synergistic effects were not evident in this respect. Nevertheless, in view of the central amine variations induced by the cytokines, it is suggested that immune activation may come to influence complex behavioral processes as well as affective state. (C) 2000 American College of Neuropsychopharmacology. Published by Elsevier Science Inc.
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