期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 238, 期 1-2, 页码 58-66出版社
ELSEVIER
DOI: 10.1016/j.jneuroim.2011.06.009
关键词
Generalized anxiety disorder; Th17/Th1; IL-10/TGF-beta; Dopamine; Glucocorticoid
资金
- Fundacao de Amparo a Pesquisa Carlos Chagas Filho (FAPERJ)
Our objective was to evaluate the effect of stress-related dose of dopamine (DA) on the in vitro proliferation and cytokine production in polyclonally-activated T cells from healthy individuals or individuals with generalized anxiety disorder (GAD). Our results demonstrated that cell cultures from GAD group proliferated less following T cell activation, as compared with control group. The addition of DA reduced the proliferative response in cell cultures from healthy but not from GAD individuals. The cytokine profile in GAD individuals revealed Th1 and Th2 deficiencies associated with a dominant Th17 phenotype, which was enhanced by DA. A similar DA-induced immunomodulation was also observed in PPD-activated cell cultures from GAD individuals. Unlike the control, DA-enhanced Th17 cytokine production in GAD individuals was not affected by glucocorticoid. In conclusion, our results show that the T cell functional dysregulation in GAD individuals is significantly amplified by DA. These immune abnormalities can have impact in increasing the susceptibility of individuals with anxiety disorders to infectious diseases and inflammatory/autoimmune disorders. (C) 2011 Elsevier B.V. All rights reserved.
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