Article ; Online: SCN1A: bioinformatically informed revised boundaries for promoter and enhancer regions.
2024 Volume 32, Issue 10, Page(s) 1753–1763
Abstract: Pathogenic variations in the sodium voltage-gated channel alpha subunit 1 (SCN1A) gene are responsible for multiple epilepsy phenotypes, including Dravet syndrome, febrile seizures (FS) and genetic epilepsy with FS plus. Phenotypic heterogeneity is a ... ...
Abstract | Pathogenic variations in the sodium voltage-gated channel alpha subunit 1 (SCN1A) gene are responsible for multiple epilepsy phenotypes, including Dravet syndrome, febrile seizures (FS) and genetic epilepsy with FS plus. Phenotypic heterogeneity is a hallmark of SCN1A-related epilepsies, the causes of which are yet to be clarified. Genetic variation in the non-coding regulatory regions of SCN1A could be one potential causal factor. However, a comprehensive understanding of the SCN1A regulatory landscape is currently lacking. Here, we summarized the current state of knowledge of SCN1A regulation, providing details on its promoter and enhancer regions. We then integrated currently available data on SCN1A promoters by extracting information related to the SCN1A locus from genome-wide repositories and clearly defined the promoter and enhancer regions of SCN1A. Further, we explored the cellular specificity of differential SCN1A promoter usage. We also reviewed and integrated the available human brain-derived enhancer databases and mouse-derived data to provide a comprehensive computationally developed summary of SCN1A brain-active enhancers. By querying genome-wide data repositories, extracting SCN1A-specific data and integrating the different types of independent evidence, we created a comprehensive catalogue that better defines the regulatory landscape of SCN1A, which could be used to explore the role of SCN1A regulatory regions in disease. |
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MeSH term(s) | Humans ; Mice ; Animals ; NAV1.1 Voltage-Gated Sodium Channel/genetics ; Epilepsies, Myoclonic/genetics ; Epilepsy/genetics ; Promoter Regions, Genetic ; Phenotype ; Seizures, Febrile/genetics ; Mutation |
Chemical Substances | NAV1.1 Voltage-Gated Sodium Channel ; SCN1A protein, human ; Scn1a protein, mouse |
Language | English |
Publishing date | 2024-04-17 |
Publishing country | England |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1108742-0 |
ISSN | 1460-2083 ; 0964-6906 |
ISSN (online) | 1460-2083 |
ISSN | 0964-6906 |
DOI | 10.1093/hmg/ddad015 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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