Title
Increased serum interleukin-1-receptor-antagonist concentrations in major depression Increased serum interleukin-1-receptor-antagonist concentrations in major depression
Author
Publication type
article
Publication
Amsterdam ,
Subject
Human medicine
Source (journal)
Journal of affective disorders. - Amsterdam
Volume/pages
36() :1-2 , p. 29-36
ISSN
0165-0327
ISI
A1995TP96000004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Recently, it has been shown that major depression may be accompanied by an increased production of interleukin-lp (IL-1 beta), an acute phase (AP) response and simultaneous signs of activation and suppression of cell-mediated immunity. The interleukin-1-receptor antagonist (IL-1-rA) is released in vivo during an AP response and serum levels are increased in many immune disorders. The release of IL-1-rA may limit the pro-inflammatory effects of IL-1. This study has been carried out to examine serum IL-1-Ra in 68 depressed subjects (21 minor, 25 simple major and 22 melancholic subjects) vs. 22 normal controls. Depressed subjects showed significantly higher serum IL-1-rA concentrations than healthy controls. 29% of all depressed subjects had serum IL-1-rA levels higher than the mean value +2 standard deviations of normal controls; 44% depressed subjects had IL-1-rA values greater than 0.215 ng/ml with a specificity of 90%. In depressed subjects, there was a significant and positive relationship between serum IL-1-rA and severity of illness. In depression, there were no significant relationships between serum IL-1-rA concentrations and indicants of hypothalamic-pituitary-adrenal (HPA)-axis activity, such as 24-h urinary cortisol and postdexamethasone cortisol values. Women had significantly higher serum IL-1-rA levels than men. The findings support the thesis that depression is accompanied by an immune-inflammatory response.
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