首页> 外文期刊>Biological psychiatry >CACNA1D De Novo Mutations in Autism Spectrum Disorders Activate Cav1.3 L-Type Calcium Channels
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CACNA1D De Novo Mutations in Autism Spectrum Disorders Activate Cav1.3 L-Type Calcium Channels

机译:自闭症谱系障碍的CACNA1D从头突变激活Cav1.3 L型钙通道。

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摘要

BACKGROUND: Cav1.3 voltage-gated L-type calcium channels (LTCCs) are part of postsynaptic neuronal signaling networks. They play a key role in brain function, including fear memory and emotional and drug-taking behaviors. A whole-exome sequencing study identified a de novo mutation, p.A749G, in Cav1.3 alpha(1)-subunits (CACNA1D), the second main LTCC in the brain, as 1 of 62 high risk-conferring mutations in a cohort of patients with autism and intellectual disability. We screened all published genetic information available from whole-exome sequencing studies and identified a second de novo CACNA1D mutation, p.G407R. Both mutations are present only in the probands and not in their unaffected parents or siblings.
机译:背景:Cav1.3电压门控L型钙通道(LTCC)是突触后神经元信号网络的一部分。它们在脑功能中发挥关键作用,包括恐惧记忆以及情绪和吸毒行为。一项全外显子测序研究将脑中第二大主要LTCC Cav1.3 alpha(1)-亚基(CACNA1D)中的从头突变p.A749G列为队列中62个高风险赋予突变中的1个自闭症和智力障碍的患者。我们筛选了可从全外显子组测序研究中获得的所有已公开遗传信息,并确定了第二个从头开始的CACNA1D突变p.G407R。这两个突变仅存在于先证者中,而没有出现在未受影响的父母或兄弟姐妹中。

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