Varaico: Literature-Extracted Genetic Variants

Gene:KCNQ2
Variant:p.A294V
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KCNQ2

NM_172107.4:p.A294V

Associated Papers

Integrated genotype-phenotype function analysis reveals distinct pathogenic mechanisms for cognitive impairment in KCNQ2-related disorders.

Xiong J et al.

Epilepsia, 2026

The genetic spectrum features of 2261 Chinese children with epilepsy and intellectual disability.

Pang N et al.

Bmc Medicine, 2025

40598568 (PubMed )
Supplement: 12916_2025_4220_MOESM1_ESM.xlsx › Table_S3

Infantile Epileptic Spasms Syndrome: Unveiling clinical and genetic variability in a case series from Argentina.

Martín ME et al.

Seizure, 2025

MLe-KCNQ2: An Artificial Intelligence Model for the Prognosis of Missense KCNQ2 Gene Variants.

Saez-Matia A et al.

International Journal of Molecular Sciences, 2024

38474157 (PubMed )
Supplement: ijms-25-02910-s001.zip › Supp_Data_3_KCNQ2_All_Predictions.xlsx › CatBoost

Improved classification and pathogenicity assessment by comprehensive functional studies in a large data set of KCNQ2 variants.

Zhang Y et al.

Life Sciences, 2024

KCNQ potassium channels modulate Wnt activity in gastro-oesophageal adenocarcinomas.

Shorthouse D et al.

Life Science Alliance, 2023

37748809 (PubMed )
Supplement: LSA-2023-02124_TableS2.xlsx › Table_S2

Generation of three induced pluripotent stem cell lines from a patient with KCNQ2 developmental and epileptic encephalopathy as a result of the pathogenic variant c.881C > T; p.Ala294Val (NUIGi059-A, NUIGi059-B, NUIGi059-C) and 3 healthy controls (NUIGi060-A, NUIGi060-B, NUIGi060-C).

Stewart R et al.

Stem Cell Research, 2023

Exome sequencing for patients with developmental and epileptic encephalopathies in clinical practice.

Scheffer IE et al.

Developmental Medicine and Child Neurology, 2023

Clinical analysis and functional characterization of KCNQ2-related developmental and epileptic encephalopathy.

Ye J et al.

Frontiers in Molecular Neuroscience, 2023

Early-infantile developmental and epileptic encephalopathy: the aetiologies, phenotypic differences and outcomes-a prospective observational study.

Agarwala P et al.

Brain Communications, 2023

A genome sequencing system for universal newborn screening, diagnosis, and precision medicine for severe genetic diseases.

Kingsmore SF et al.

American Journal of Human Genetics, 2022

36007526 (PubMed )
Supplement: mmc2.xlsx › Table_S8

High-throughput evaluation of epilepsy-associated KCNQ2 variants reveals functional and pharmacological heterogeneity.

Vanoye CG et al.

Jci Insight, 2022

35104249 (PubMed )
Supplement: jciinsight-7-156314-s075.pdf

KCNQ2 Selectivity Filter Mutations Cause Kv7.2 M-Current Dysfunction and Configuration Changes Manifesting as Epileptic Encephalopathies and Autistic Spectrum Disorders.

Lee IC et al.

Cells, 2022

KCNQ2-Related Neonatal Epilepsy Treated With Vitamin B6: A Report of Two Cases and Literature Review.

Amore G et al.

Frontiers in Neurology, 2022

Pathogenic variants in KCNQ2 cause intellectual deficiency without epilepsy: Broadening the phenotypic spectrum of a potassium channelopathy.

Mary L et al.

American Journal of Medical Genetics. Part A, 2021

Application of Trio-Whole Exome Sequencing in Genetic Diagnosis and Therapy in Chinese Children With Epilepsy.

Jiang T et al.

Frontiers in Molecular Neuroscience, 2021

A longitudinal footprint of genetic epilepsies using automated electronic medical record interpretation.

Ganesan S et al.

Genetics in Medicine : Official Journal of the American College of Medical Genetics, 2020

32773773 (PubMed )
Supplement: 41436_2020_923_MOESM3_ESM.xls › Table_S3a

Genotype-phenotype correlations in patients with de novo KCNQ2 pathogenic variants.

Malerba F et al.

Neurology. Genetics, 2020

Semantic Similarity Analysis Reveals Robust Gene-Disease Relationships in Developmental and Epileptic Encephalopathies.

Galer PD et al.

American Journal of Human Genetics, 2020

32853554 (PubMed )
Supplement: mmc2.xlsx › S6

Determining the best candidates for next-generation sequencing-based gene panel for evaluation of early-onset epilepsy.

Lee J et al.

Molecular Genetics & Genomic Medicine, 2020

Heteromeric Kv7.2 current changes caused by loss-of-function of KCNQ2 mutations are correlated with long-term neurodevelopmental outcomes.

Lee IC et al.

Scientific Reports, 2020

Epileptic channelopathies caused by neuronal Kv7 (KCNQ) channel dysfunction.

Nappi P et al.

Pflugers Archiv : European Journal of Physiology, 2020

Identifying mutation hotspots reveals pathogenetic mechanisms of KCNQ2 epileptic encephalopathy.

Zhang J et al.

Scientific Reports, 2020

32179837 (PubMed )
Supplement: 41598_2020_61697_MOESM2_ESM.pdf

Two KCNQ2 Encephalopathy Variants in the Calmodulin-Binding Helix A Exhibit Dominant-Negative Effects and Altered PIP2 Interaction.

Tran B et al.

Frontiers in Physiology, 2020

The Role of Kv7.2 in Neurodevelopment: Insights and Gaps in Our Understanding.

Dirkx N et al.

Frontiers in Physiology, 2020

Diagnostic Yield and Treatment Impact of Targeted Exome Sequencing in Early-Onset Epilepsy.

Demos M et al.

Frontiers in Neurology, 2019

KCNQ2 mutation in an infant with encephalopathy of infancy with migrating focal seizures.

Freibauer A et al.

Epileptic Disorders : International Epilepsy Journal With Videotape, 2018

Rapid Diagnosis of KCNQ2-Associated Early Infantile Epileptic Encephalopathy Improved Outcome.

Chen DY et al.

Pediatric Neurology, 2018

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Regarding the variants extracted from papers and shown text snippets from research papers, the following holds: "Some rights reserved. This work permits non-commercial use, distribution and reproduction in any medium, provided the original author and source are credited."