The integrated analysis establishes the first cross-species model for GNB1E, suggests common neurological mechanisms and molecular pathways linked to GNB1E, and provides a framework for mechanistic and therapeutic studies.
The findings implicate DCLK1 in a previously unrecognized progressive neurodevelopmental disorder and demonstrate the power of integrative cross-species functional genomics in resolving ultra-rare disease variants.
David F. Butler, Wei-Xi Yuan, Hirokazu Hashimoto et al.· Research Square· 0 citations
It is shown that a pathogenic variant of the G protein subunit Gβ1 impairs activation of neuronal G-protein-coupled inwardly rectifying potassium (GIRK) channels by inhibitory synaptic GABAB receptors, which leads to increased dendritic excitability and longer duration dendritic calcium spikes in mouse hippocampal neur...
Sam Gritz, Anshul Voleti, Matthew S. Scarnati et al.· bioRxiv· 0 citations
A comprehensive narrative review of studies indexed in PubMed/MEDLINE, Embase, Cochrane Library, ClinicalTrials.gov, and American Epilepsy Society proceedings through January 2026 positions STXBP1-RD as a leading test case for precision medicine in DEEs.
In two patients with SCN2A epileptic encephalopathy, treatment with personalized allele-selective antisense oligonucleotides led to a decrease in seizure frequency with a positive safety profile, and a pathway from n = 1 to n of more patients with SCN2A-RD and other monogenic disorders is provided.
Olivia Kim-Mcmanus, L. Mignon, J. Douville et al.· Nature Medicine· 2 citations
This study represents the first application of a Drosophila model to demonstrate that KCNK3 functions as a dosage-sensitive regulator of neurodevelopment and position KCNK3 as a candidate gene for molecular screening and pave the way for future functional studies and therapeutic exploration in NDDs.
These findings demonstrate that the Nav1.2-L1342P mutation drives a multifaceted disease phenotype, including network hyperexcitability and disruption of pathways related to neuronal and synaptic functions, which advances understanding of SCN2A-related developmental and epileptic encephalopathy (DEE).
M. I. Olivero-Acosta, Morgan Robinson, Zhefu Que et al.· Epilepsia· 0 citations
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