De Novo Coding Variants Are Strongly Associated with Tourette Disorder.

De Novo Coding Variants Are Strongly Associated with Tourette Disorder.
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DOI:
10.1016/j.neuron.2017.04.024
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发表时间:
2017-05-03
期刊:
影响因子:
16.2
通讯作者:
Heiman GA
Heiman GA
中科院分区:
医学1区
文献类型:
--
作者:
Willsey AJ;Fernandez TV;Yu D;King RA;Dietrich A;Xing J;Sanders SJ;Mandell JD;Huang AY;Richer P;Smith L;Dong S;Samocha KE;Tourette International Collaborative Genetics (TIC Genetics);Tourette Syndrome Association International Consortium for Genetics (TSAICG);Neale BM;Coppola G;Mathews CA;Tischfield JA;Scharf JM;State MW;Heiman GA

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全外显子组测序(WES)和从头变异检测已被证明是复杂神经发育障碍基因发现的有力方法。我们已经完成了来自图雷特国际合作遗传学队列的325例图雷特病三人组的WES和来自图雷特综合征协会国际遗传学联盟的186例三人组的复制样本(共511例)。我们观察到强有力和一致的证据表明,新生的可能基因破坏(LGD)变异的贡献(比率比[RR] 2.32, p = 0.002)。此外,从头开始的破坏性变异(LGD和可能的破坏性错义)在先证者中被过度代表(RR 1.37, p = 0.003)。我们在不相关的先证物中确定了四个可能具有多个新生损伤变异的风险基因:WWC1 (WW和C2结构域1),CELSR3 (Cadherin EGF LAG 7 -pass g型受体3),NIPBL (nipid - b样)和FN1(纤连蛋白1)。总的来说,我们估计在12%的临床病例中,大约400个基因的新生损伤变异造成了风险。
Whole-exome sequencing (WES) and de novo variant detection have proven a powerful approach to gene discovery in complex neurodevelopmental disorders. We have completed WES of 325 Tourette disorder trios from the Tourette International Collaborative Genetics cohort and a replication sample of 186 trios from the Tourette Syndrome Association International Consortium on Genetics (511 total). We observe strong and consistent evidence for the contribution of de novo likely gene-disrupting (LGD) variants (rate ratio [RR] 2.32, p = 0.002). Additionally, de novo damaging variants (LGD and probably damaging missense) are overrepresented in probands (RR 1.37, p = 0.003). We identify four likely risk genes with multiple de novo damaging variants in unrelated probands: WWC1 (WW and C2 domain containing 1), CELSR3 (Cadherin EGF LAG seven-pass G-type receptor 3), NIPBL (Nipped-B-like), and FN1 (fibronectin 1). Overall, we estimate that de novo damaging variants in approximately 400 genes contribute risk in 12% of clinical cases.
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