Prevalence and penetrance of ZFPM2 mutations and deletions causing congenital diaphragmatic hernia.

Prevalence and penetrance of ZFPM2 mutations and deletions causing congenital diaphragmatic hernia.
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DOI:
10.1111/cge.12395
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发表时间:
2015-04
期刊:
影响因子:
3.5
通讯作者:
Donahoe PK
Donahoe PK
中科院分区:
医学2区
文献类型:
--
作者:
Longoni M;Russell MK;High FA;Darvishi K;Maalouf FI;Kashani A;Tracy AA;Coletti CM;Loscertales M;Lage K;Ackerman KG;Woods SA;Ward-Melver C;Andrews D;Lee C;Pober BR;Donahoe PK

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锌指蛋白FOG2家族成员2(ZFPM2)(以前称为FOG2)基因缺陷导致人类和动物模型中高度病态的先天性腹股沟疝(CDH)。在275名CDH患者外显子组的队列中,我们估计破坏性ZFPM2突变的患病率几乎为5%。对一个多代家系的遗传分析发现了一个可遗传的基因内ZFPM2缺失,估计缺失率为37.5%,这对遗传咨询具有重要意义。类似地,在第二个多重家族中观察到低突变率ZFPM2移码突变。孤立的CDH是我们的ZFPM2突变患者中观察到的主要表型。来自本文所述患者的发现表明ZFPM2点突变或缺失是CDH的复发原因。
Zinc finger protein, FOG2 family member 2 (ZFPM2) (previously named FOG2) gene defects result in the highly morbid congenital diaphragmatic hernia (CDH) in humans and animal models. In a cohort of 275 CDH patient exomes, we estimated the prevalence of damaging ZFPM2 mutations to be almost 5%. Genetic analysis of a multigenerational family identified a heritable intragenic ZFPM2 deletion with an estimated penetrance of 37.5%, which has important implications for genetic counseling. Similarly, a low penetrance ZFPM2 frameshift mutation was observed in a second multiplex family. Isolated CDH was the predominant phenotype observed in our ZFPM2 mutation patients. Findings from the patients described herein indicate that ZFPM2 point mutations or deletions are a recurring cause of CDH.
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