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  Whole genome sequencing identifies a duplicated region encompassing Xq13.2q13.3 in a large Iranian family with intellectual disability

Mehvari, S., Larti, F., Hu, H., Fattahi, Z., Beheshtian, M., Abedini, S. S., et al. (2020). Whole genome sequencing identifies a duplicated region encompassing Xq13.2q13.3 in a large Iranian family with intellectual disability. Molecular Genetics & Genomic Medicine, 8(10): e1418. doi:10.1002/mgg3.1418.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-1702-D Version Permalink: http://hdl.handle.net/21.11116/0000-0007-4BA6-A
Genre: Journal Article

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 Creators:
Mehvari, Sepideh , Author
Larti, Farzaneh , Author
Hu, Hao1, Author
Fattahi, Zohreh , Author
Beheshtian, Maryam , Author
Abedini, Seyedeh Sedigheh , Author
Arzhangi, Sanaz , Author
Ropers, Hans-Hilger1, Author              
Kalscheuer, Vera M.2, Author              
Auld, Daniel , Author
Kahrizi, Kimia , Author
Riazalhosseini, Yasser , Author
Najmabadi, Hossein , Author
Affiliations:
1Emeritus Group of Human Molecular Genetics (Head: Hans-Hilger Ropers), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_2385695              
2Chromosome Rearrangements and Disease (Vera Kalscheuer), Research Group Development & Disease (Head: Stefan Mundlos), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_2385702              

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Free keywords: Intellectual disability; Whole genome sequencing; Xq duplicatin; Xq13.2q13.3
 Abstract: Background The X chromosome has historically been one of the most thoroughly investigated chromosomes regarding intellectual disability (ID), whose etiology is attributed to many factors including copy number variations (CNVs). Duplications of the long arm of the X chromosome have been reported in patients with ID, short stature, facial anomalies, and in many cases hypoplastic genitalia and/or behavioral abnormalities. Methods Here, we report on a large Iranian family with X‐linked ID caused by a duplication on the X chromosome identified by whole genome sequencing in combination with linkage analysis. Results Seven affected males in different branches of the family presented with ID, short stature, seizures, facial anomalies, behavioral abnormalities (aggressiveness, self‐injury, anxiety, impaired social interactions, and shyness), speech impairment, and micropenis. The duplication of the region Xq13.2q13.3, which is ~1.8 Mb in size, includes seven protein‐coding OMIM genes. Three of these genes, namely SLC16A2, RLIM, and NEXMIF, if impaired, can lead to syndromes presenting with ID. Of note, this duplicated region was located within a linkage interval with a LOD score >3. Conclusion Our report indicates that CNVs should be considered in multi‐affected families where no candidate gene defect has been identified in sequencing data analysis.

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Language(s): eng - English
 Dates: 2020-06-292020-07-26
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/mgg3.1418
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Title: Molecular Genetics & Genomic Medicine
Source Genre: Journal
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Publ. Info: Chichester : Wiley
Pages: - Volume / Issue: 8 (10) Sequence Number: e1418 Start / End Page: - Identifier: ISSN: 2324-9269
CoNE: https://pure.mpg.de/cone/journals/resource/2324-9269