期刊
JOURNAL OF NEUROIMMUNOLOGY
卷 204, 期 1-2, 页码 149-153出版社
ELSEVIER
DOI: 10.1016/j.jneuroim.2008.07.006
关键词
Autism; Transforming growth factor beta 1; Immunity; Regulation; Behavior
资金
- NIEHS Children's Center [2 P01 ES011269]
- US EPA STAR [R833292, R829388]
- NIEHS CHARGE study [R01ES015359]
- Ted Lindsay Foundation
- Visceral,
- Peter Emch Foundation
Autism spectrum disorders (ASD) are characterized by impairment in social interactions, communication deficits, and restricted repetitive interests and behaviors. There is evidence of both immune dysregulation and autoimmune phenomena in autism. We examined the regulatory cytokine transforming growth factor beta-1 (TGF beta 1) because of its role in controlling immune responses. Plasma levels of active TGF beta 1 were evaluated in 75 children with ASD compared with 68 controls. Children with ASD had significantly lower plasma TGF beta 1 levels compared with typically developing controls (p=0.0017) and compared with children with developmental disabilities other than ASD (p=0.0037), after adjusting for age and gender. In addition, there were significant correlations between psychological measures and TGF beta 1 levels, such that lower TGF beta 1 levels were associated with lower adaptive behaviors and worse behavioral symptoms. The data suggest that immune responses in autism may be inappropriately regulated due to reductions in TGF beta 1. Such immune dysregulation may predispose to the development of possible autoimmune responses and/or adverse neuroimmune interactions during critical windows in development. (C) 2008 Elsevier B.V. All rights reserved.
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