An updated catalog of CTCF variants associated with neurodevelopmental disorder phenotypes

Author:

Price Emma,Fedida Liron M.,Pugacheva Elena M.,Ji Yon J.,Loukinov Dmitri,Lobanenkov Victor V.

Abstract

IntroductionCTCF-related disorder (CRD) is a neurodevelopmental disorder (NDD) caused by monoallelic pathogenic variants in CTCF. The first CTCF variants in CRD cases were documented in 2013. To date, 76 CTCF variants have been further described in the literature. In recent years, due to the increased application of next-generation sequencing (NGS), growing numbers of CTCF variants are being identified, and multiple genotype-phenotype databases cataloging such variants are emerging.MethodsIn this study, we aimed to expand the genotypic spectrum of CRD, by cataloging NDD phenotypes associated with reported CTCF variants. Here, we systematically reviewed all known CTCF variants reported in case studies and large-scale exome sequencing cohorts. We also conducted a meta-analysis using public variant data from genotype-phenotype databases to identify additional CTCF variants, which we then curated and annotated.ResultsFrom this combined approach, we report an additional 86 CTCF variants associated with NDD phenotypes that have not yet been described in the literature. Furthermore, we describe and explain inconsistencies in the quality of reported variants, which impairs the reuse of data for research of NDDs and other pathologies.DiscussionFrom this integrated analysis, we provide a comprehensive and annotated catalog of all currently known CTCF mutations associated with NDD phenotypes, to aid diagnostic applications, as well as translational and basic research.

Funder

Division of Intramural Research, National Institute of Allergy and Infectious Diseases

Publisher

Frontiers Media SA

Subject

Cellular and Molecular Neuroscience,Molecular Biology

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