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2012 ; 69
(6
): 693-9
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Maternal autoantibodies in autism
#MMPMID22689191
Braunschweig D
; Van de Water J
Arch Neurol
2012[Jun]; 69
(6
): 693-9
PMID22689191
show ga
As epidemiologic studies continue to note a striking increase in rates of autism
spectrum disorder (ASD) diagnosis around the world, the lack of identified
causative agents in most cases remains a major hindrance to the development of
treatment and prevention strategies. Published observations of immune system
abnormalities in ASD have increased recently, with several groups identifying
fetal protein reactive IgG antibodies in plasma from mothers of children with
autism. Furthermore, other gestational immune parameters, including maternal
infection and dysregulated cytokine signaling, have been found to be associated
with ASD in some cases. While detailed pathogenic mechanisms remain to be
determined, the hypothesis that some cases of ASD may be influenced, or even
caused, by maternal fetal brain-reactive antibodies or other in utero
immune-related exposures is an active area of investigation. This article reviews
the current literature in this area and proposes several directions for future
research.