Ion channels in genetic epilepsy: from genes and mechanisms to disease-targeted therapies

J Oyrer, S Maljevic, IE Scheffer, SF Berkovic… - Pharmacological …, 2018 - Elsevier
Epilepsy is a common and serious neurologic disease with a strong genetic component.
Genetic studies have identified an increasing collection of disease-causing genes. The …

Sodium channelopathies in neurodevelopmental disorders

MH Meisler, SF Hill, W Yu - Nature Reviews Neuroscience, 2021 - nature.com
The voltage-gated sodium channel α-subunit genes comprise a highly conserved gene
family. Mutations of three of these genes, SCN1A, SCN2A and SCN8A, are responsible for a …

The autism-associated gene Scn2a contributes to dendritic excitability and synaptic function in the prefrontal cortex

PWE Spratt, R Ben-Shalom, CM Keeshen, KJ Burke… - Neuron, 2019 - cell.com
Autism spectrum disorder (ASD) is strongly associated with de novo gene mutations. One of
the most commonly affected genes is SCN2A. ASD-associated SCN2A mutations impair the …

Sodium channelopathies of skeletal muscle and brain

M Mantegazza, S Cestèle… - Physiological …, 2021 - journals.physiology.org
Voltage-gated sodium channels initiate action potentials in nerve, skeletal muscle, and other
electrically excitable cells. Mutations in them cause a wide range of diseases. These …

[HTML][HTML] Paradoxical hyperexcitability from NaV1. 2 sodium channel loss in neocortical pyramidal cells

PWE Spratt, RPD Alexander, R Ben-Shalom… - Cell Reports, 2021 - cell.com
Loss-of-function variants in the gene SCN2A, which encodes the sodium channel Na V 1.2,
are strongly associated with autism spectrum disorder and intellectual disability. An …

Clinical Spectrum of KCNA1 Mutations: New Insights into Episodic Ataxia and Epilepsy Comorbidity

K Paulhus, L Ammerman, E Glasscock - International Journal of …, 2020 - mdpi.com
Mutations in the KCNA1 gene, which encodes voltage-gated Kv1. 1 potassium channel α-
subunits, cause a variety of human diseases, complicating simple genotype–phenotype …

Cellular and behavioral effects of altered NaV1.2 sodium channel ion permeability in Scn2aK1422E mice

DM Echevarria-Cooper, NA Hawkins… - Human molecular …, 2022 - academic.oup.com
Genetic variants in SCN2A, encoding the NaV1. 2 voltage-gated sodium channel, are
associated with a range of neurodevelopmental disorders with overlap** phenotypes …

Physical and functional convergence of the autism risk genes Scn2a and Ank2 in neocortical pyramidal cell dendrites

AD Nelson, AM Catalfio, JP Gupta, L Min… - Neuron, 2024 - cell.com
Dysfunction in sodium channels and their ankyrin scaffolding partners have both been
implicated in neurodevelopmental disorders, including autism spectrum disorder (ASD). In …

Novel Genetic Variants Expand the Functional, Molecular, and Pathological Diversity of KCNA1 Channelopathy

K Paulhus, E Glasscock - International Journal of Molecular Sciences, 2023 - mdpi.com
The KCNA1 gene encodes Kv1. 1 voltage-gated potassium channel α subunits, which are
crucial for maintaining healthy neuronal firing and preventing hyperexcitability. Mutations in …

[HTML][HTML] Neuron-specific Kv1. 1 deficiency is sufficient to cause epilepsy, premature death, and cardiorespiratory dysregulation

K Trosclair, HA Dhaibar, NM Gautier, V Mishra… - Neurobiology of …, 2020 - Elsevier
Sudden unexpected death in epilepsy (SUDEP) is the leading cause of epilepsy-related
mortality, but the precise cellular substrates involved remain elusive. Epilepsy-associated …