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首页> 外文期刊>American journal of medical genetics, Part A >De novo pure 12q22q24.33 duplication: first report of a case with mental retardation, ADHD, and Dandy-Walker malformation.
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De novo pure 12q22q24.33 duplication: first report of a case with mental retardation, ADHD, and Dandy-Walker malformation.

机译:从头开始进行纯净的12q22q24.33复制:智障,ADHD和Dandy-Walker畸形病例的首次报道。

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摘要

We present a patient with a de novo 12q nonmosaic pure duplication characterized by multiple minor anomalies and Dandy-Walker malformation. A neurological and behavioral assessment revealed psychomotor retardation and attention deficit/hyperactivity disorder (ADHD), with neurobehavioral abnormalities (auto- and heteroaggressive behavior). Fluoxetine therapy in this case markedly improved the neurobehavioral profile, with a decreased level of aggression. To define the extension of the duplicated region, we performed FISH analyses by using YAC probes. The analyses revealed a tandem duplication of the 12q22q24.33 region, with the proximal breakpoint located between 96.5 and 97.6 cM and the distal one between 154 and 161 cM. This is the first case of pure de novo duplication involving the 12q22q24.33 region. To better define the clinical phenotype associated with 12q partial duplication, we compared our case with the four patients with similar pure duplications previously described.
机译:我们为患者提供了从头开始的12q非马赛克纯重复的患者,其特征是多个小异常和Dandy-Walker畸形。神经和行为评估显示精神运动迟缓和注意力缺陷/多动障碍(ADHD),伴有神经行为异常(自体和异性攻击行为)。在这种情况下,氟西汀治疗显着改善了神经行为特征,降低了攻击性。为了定义重复区域的延伸,我们使用YAC探针进行了FISH分析。分析显示串联重复12q22q24.33区域,近端断点位于96.5和97.6 cM之间,而远端断点位于154和161 cM之间。这是涉及12q22q24.33区域的纯从头复制的第一种情况。为了更好地定义与12q部分重复相关的临床表型,我们将我们的病例与上述四名具有相似纯重复的患者进行了比较。

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