Autistic-like symptomatology in Prader-Willi syndrome: A review of recent findings

被引:0
作者
Dimitropoulos A. [1 ]
Schultz R.T. [1 ]
机构
[1] Case Western Reserve University, Cleveland, OH 44106-7123
关键词
Autism Spectrum Disorder; Repetitive Behavior; Autism Diagnostic Observation Schedule; Social Impairment; Angelman Syndrome;
D O I
10.1007/s11920-007-0086-7
中图分类号
学科分类号
摘要
Prader-Willi syndrome (PWS) is caused by either the structural loss of material or the absence of gene expression from the paternally inherited copy of chromosome 15 in the q11-q13 region. In addition to a well-described behavioral phenotype that includes hyperphagia, obsessive-compulsive symptoms, disruptive behavior, and an increased risk for mood disorders, recent evidence also suggests that some individuals with PWS have repetitive behavior and social deficits reminiscent of autism spectrum disorders. In particular, it appears as if those with maternal uniparental disomy (UPD) as the cause of PWS are at greater risk for autistic symptomatology than those with paternal deletions of 15q11-q13. These findings are particularly intriguing in light of data implicating maternal duplications and triplications of the same chromosomal interval in idiopathic autism, as well as evidence that functional alterations of genes in this region are associated with social deficits found in a variety of neurodevelopmental disorders. This paper will review the recent evidence for phenotypic similarities between autism and PWS and the risk of symptomatology for the UPD subtype. Copyright © 2007 by Current Medicine Group LLC.
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页码:159 / 164
页数:5
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