Data-driven historical characterization of epilepsy-associated genes

Marie Macnee, Eduardo Pérez-Palma, Javier A López-Rivera, Alina Ivaniuk, Patrick May, Rikke S Møller, Dennis Lal*

*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskriftReviewForskningpeer review

Abstract

Many epilepsy-associated genes have been identified over the last three decades, revealing a remarkable molecular heterogeneity with the shared outcome of recurrent seizures. Information about the genetic landscape of epilepsies is scattered throughout the literature and answering the simple question of how many genes are associated with epilepsy is not straightforward. Here, we present a computationally driven analytical review of epilepsy-associated genes using the complete scientific literature in PubMed. Based on our search criteria, we identified a total of 738 epilepsy-associated genes. We further classified these genes into two Tiers. A broad gene list of 738 epilepsy-associated genes (Tier 2) and a narrow gene list composed of 143 epilepsy-associated genes (Tier 1). Our search criteria do not reflect the degree of association. The average yearly number of identified epilepsy-associated genes between 1992 and 2021 was 4.8. However, most of these genes were only identified in the last decade (2010-2019). Ion channels represent the largest class of epilepsy-associated genes. For many of these, both gain- and loss-of-function effects have been associated with epilepsy in recent years. We identify 28 genes frequently reported with heterogenous variant effects which should be considered for variant interpretation. Overall, our study provides an updated and manually curated list of epilepsy-related genes together with additional annotations and classifications reflecting the current genetic landscape of epilepsy.

OriginalsprogEngelsk
Sider (fra-til)82-87
Antal sider6
TidsskriftEuropean Journal of Paediatric Neurology
Vol/bind42
Tidlig onlinedato14 dec. 2022
DOI
StatusUdgivet - jan. 2023

Bibliografisk note

© 2022 The Author(s). Published by Elsevier Ltd on behalf of European Paediatric Neurology Society. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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