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Identification of Candidate Cancer Predisposing Genes by Whole-Exome Sequencing of Families at High-Risk of Glioma

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Submitted:

23 February 2022

Posted:

25 February 2022

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Abstract
The genetic aetiology of familial glioma is largely unknown. To gain further insight into the role of rare disruptive variants we performed whole exome sequencing (WES) of 17 glioma families, identifying two families where loss of function mutations in dynein axonemal heavy chain 11 (DNAH11) co-segregated with glioma (DNAH11 p.Ser1470ArgfsTer6 and p.Thr3900Lys) and single families implicating Telomere Replication Complex Component 1 (CTC1 p.Leu1058ProfsTer32) and filamin alpha (FLNA p.Ser1356Phe). We complemented linkage analysis by WES of 150 additional unrelated familial glioma cases and conducting gene burden tests leveraging WES data on 691 cases of glioma from TCGA. Our analysis does not provide support for a hitherto unidentified major cancer gene for glioma but highlights a series of novel candidate predisposition variants/genes, worthy of further investigation to shed light on glioma risk.
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Subject: Biology and Life Sciences  -   Biochemistry and Molecular Biology
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.
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