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Fetal anomalies v5.45 KCNT1 Achchuthan Shanmugasundram Phenotypes for gene: KCNT1 were changed from SEVERE AUTOSOMAL DOMINANT NOCTURNAL FRONTAL LOBE EPILEPSY; MALIGNANT MIGRATING PARTIAL SEIZURES OF INFANCY; Developmental and epileptic encephalopathy 14, OMIM:614959 to Developmental and epileptic encephalopathy 14, OMIM:614959
Fetal anomalies v5.16 KCNT1 Achchuthan Shanmugasundram commented on gene: KCNT1: This gene and phenotype were reviewed during meetings between November 2024 & January 2025. The meetings included representatives of the Central & South and North Thames R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Stephanie Allen, Natalie Bibb, and Sarah Graham (Central & South GLH), Natalie Chandler and Elizabeth Scotchman (North Thames GLH), and Sunayna Best, Anna De Burca, Natalie Canham, Samantha Doyle, Alice Gardham, Victoria Harrison, Esther Kinning, Sahar Mansour, Soo-Mi Park, and Elizabeth Wall (R21 Clinical Oversight Group).
Fetal anomalies v5.15 KCNT1 Natalie Chandler reviewed gene: KCNT1: Rating: AMBER; Mode of pathogenicity: Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments; Publications: 36307859; Phenotypes: Developmental and epileptic encephalopathy 14, MIM#614959; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Fetal anomalies v5.13 KCNT1 Achchuthan Shanmugasundram Source NHS GMS was added to KCNT1.
Mode of pathogenicity for gene KCNT1 was changed from to Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments
Added phenotypes Developmental and epileptic encephalopathy 14, OMIM:614959 for gene: KCNT1
Publications for gene: KCNT1 were updated from to 36307859
Fetal anomalies v4.17 KCNT1 Achchuthan Shanmugasundram Classified gene: KCNT1 as Amber List (moderate evidence)
Fetal anomalies v4.17 KCNT1 Achchuthan Shanmugasundram Added comment: Comment on list classification: As reviewed by Sarah Graham, PMID:36307859 reported a foetus with increased nuchal translucency and bilateral choroid plexus cysts. Hence, the rating can be updated from red to amber.
Fetal anomalies v4.17 KCNT1 Achchuthan Shanmugasundram Gene: kcnt1 has been classified as Amber List (Moderate Evidence).
Fetal anomalies v4.16 KCNT1 Achchuthan Shanmugasundram Mode of inheritance for gene: KCNT1 was changed from MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Fetal anomalies v4.3 KCNT1 Sarah Graham reviewed gene: KCNT1: Rating: AMBER; Mode of pathogenicity: Loss-of-function variants (as defined in pop up message) DO NOT cause this phenotype - please provide details in the comments; Publications: 36307859; Phenotypes: ; Mode of inheritance: MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Fetal anomalies v0.229 KCNT1 Rebecca Foulger Source Expert Review Red was added to KCNT1.
Rating Changed from Green List (high evidence) to Red List (low evidence)
Fetal anomalies v0.228 KCNT1 Rebecca Foulger edited their review of gene: KCNT1: Added comment: This gene and phenotype were reviewed during meetings at Great Ormond Street hospital in March and April 2019. Clinical review and curation was performed by Lyn Chitty, Anna de Burca, Rhiannon Mellis, Richard Scott, Ellen McDonagh and Rebecca Foulger. Outcome of review: Phenotype is not fetally-relevant. Action taken: Demoted KCNT1 gene rating from Green to Red.; Changed rating: RED
Fetal anomalies v0.9 KCNT1 Rebecca Foulger commented on gene: KCNT1: DDG2P rating in original PAGE list: Confirmed for MALIGNANT MIGRATING PARTIAL SEIZURES OF INFANCY and Confirmed for SEVERE AUTOSOMAL DOMINANT NOCTURNAL FRONTAL LOBE EPILEPSY.
Fetal anomalies v0.3 KCNT1 Rebecca Foulger reviewed gene: KCNT1: Rating: AMBER; Mode of pathogenicity: Other - please provide details in the comments; Publications: ; Phenotypes: ; Mode of inheritance:
Fetal anomalies v0.1 KCNT1 Rebecca Foulger Added phenotypes SEVERE AUTOSOMAL DOMINANT NOCTURNAL FRONTAL LOBE EPILEPSY for gene: KCNT1
Fetal anomalies v0.1 KCNT1 Rebecca Foulger gene: KCNT1 was added
gene: KCNT1 was added to Fetal anomalies. Sources: Expert Review Green,PAGE DD-Gene2Phenotype
Mode of inheritance for gene: KCNT1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Phenotypes for gene: KCNT1 were set to MALIGNANT MIGRATING PARTIAL SEIZURES OF INFANCY