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http://purl.uniprot.org/citations/24123876http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/24123876http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/24123876http://www.w3.org/2000/01/rdf-schema#comment"

Background

Intellectual disability (ID) is a common neurodevelopmental disorder affecting 1-3% of the general population. Mutations in more than 10% of all human genes are considered to be involved in this disorder, although the majority of these genes are still unknown.

Objectives

We investigated 19 small non-consanguineous families with two to five affected siblings in order to identify pathogenic gene variants in known, novel and potential ID candidate genes. Non-consanguineous families have been largely ignored in gene identification studies as small family size precludes prior mapping of the genetic defect.

Methods and results

Using exome sequencing, we identified pathogenic mutations in three genes, DDHD2, SLC6A8, and SLC9A6, of which the latter two have previously been implicated in X-linked ID phenotypes. In addition, we identified potentially pathogenic mutations in BCORL1 on the X-chromosome and in MCM3AP, PTPRT, SYNE1, and ZNF528 on autosomes.

Conclusions

We show that potentially pathogenic gene variants can be identified in small, non-consanguineous families with as few as two affected siblings, thus emphasising their value in the identification of syndromic and non-syndromic ID genes."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.org/dc/terms/identifier"doi:10.1136/jmedgenet-2013-101644"xsd:string
http://purl.uniprot.org/citations/24123876http://purl.org/dc/terms/identifier"doi:10.1136/jmedgenet-2013-101644"xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Brunner H.G."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Brunner H.G."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Gilissen C."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Gilissen C."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Kleefstra T."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Kleefstra T."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Veltman J.A."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Veltman J.A."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Vissers L.E."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Vissers L.E."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Vulto-van Silfhout A.T."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Vulto-van Silfhout A.T."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Willemsen M.H."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"Willemsen M.H."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"de Ligt J."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"de Ligt J."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"de Vries B.B."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"de Vries B.B."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"del Rosario M."xsd:string
http://purl.uniprot.org/citations/24123876http://purl.uniprot.org/core/author"del Rosario M."xsd:string
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