Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutational analysis in Korean patients with Dravet syndrome.
|
21868258 |
2011 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutations in Dravet syndrome: impact of interneuron dysfunction on neural networks and cognitive outcome.
|
22341965 |
2012 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
SCN1A-negative Dravet syndrome patients and patients with phenotypes resembling Dravet syndrome were checked for PCDH19 and TSPYL4 mutations.
|
22848613 |
2012 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
SCN1A is a gene that codes for the voltage-dependent sodium channel α1 subunit and has been implicated in generalized epilepsy with febrile seizures plus and severe myoclonic epilepsy in infancy.
|
23032131 |
2012 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutations were found in 12 of the 71 patients (16.9%; ten with DS, and two with seizures in a Generalized Epilepsy with Febrile Seizures+(GEFS+) context).
|
24679980 |
2014 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutations result in a spectrum of severity ranging from mild febrile seizures to Dravet syndrome, an infant-onset epileptic encephalopathy.
|
27768696 |
2016 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutations were identified in 50% of patients with Dravet syndrome.
|
29314583 |
2018 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
SCN1A mutations are associated with a spectrum of seizure-related disorders, ranging from a relatively mild form of febrile seizures to a more severe epileptic encephalopathy known as Dravet syndrome.
|
31009440 |
2019 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
N1417H-Scn1a mutant rats may, therefore, be useful for testing the efficacy of new AEDs against FS in GEFS+ and SMEI patients.
|
21480876 |
2011 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
A case in point would be severe myoclonic epilepsy of infancy (classically known as Dravet syndrome) and severe myoclonic epilepsy of infancy-borderland/ borderline, which are associated with specific mutations in the sodium ion channel gene SCN1A.
|
19666878 |
2009 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
A case of SUDEP in a patient with Dravet syndrome with SCN1A mutation.
|
20738378 |
2010 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
A clinical and genetic (denovo mutation of a sodium channel, SCN1A) diagnosis of Dravet syndrome was made.
|
26803335 |
2016 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
A different substitution (G1674R) at the same amino acid position, as well as two other SCN1A mutations found in this study, had previously been reported in Dravet syndrome.
|
26311622 |
2015 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
A role for SCN1A genetic mutations in the development of hemiconvulsion-hemiplegia-epilepsy (HHE) syndrome was recently suggested based on the observation that HHE syndrome and classic Dravet syndrome share many clinical features.
|
23916143 |
2013 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
A search for microdeletions in the SCN1A gene was also performed in the subset of patients with SMEI/SMEI-borderland who had negative results at the point mutation screening.
|
18413471 |
2008 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
Aberrant Inclusion of a Poison Exon Causes Dravet Syndrome and Related SCN1A-Associated Genetic Epilepsies.
|
30526861 |
2018 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
Abnormalities of the sodium channel gene SCN1A are found in 75% of DS patients.
|
22386634 |
2012 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
About 50% of SCN1A DS mutations truncate Na(V)1.1, possibly causing complete loss of its function.
|
22150645 |
2012 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
Biomarker
|
disease |
BEFREE |
Adult motor phenotype differentiates Dravet syndrome from Lennox-Gastaut syndrome and links SCN1A to early onset parkinsonian features.
|
28186331 |
2017 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
After one of these children with FS later developed Dravet syndrome (severe myoclonic epilepsy of infancy), we sequenced the SCN1A gene, a gene known to be associated with Dravet syndrome, and identified a heterozygous frameshift mutation.
|
19763161 |
2009 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
All coding exons of SCN1B, GABRG2, and CACNB4 genes were screened for mutations in 38 SCN1A-mutation-positive SMEI probands.
|
18755274 |
2008 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
All identified variants were found in DS patients with 85.7% sensitivity, thus supporting the role of profound SCN1A gene variants in etiology of DS phenotype.
|
27045673 |
2016 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
Although DS often occurs with de novo SCN1A pathogenic variants, milder GEFS+ spectrum phenotypes are associated with inherited pathogenic variants.
|
28084635 |
2017 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
Among these transmissions were two likely disease-causing mutations: an SCN1A mutation transmitted to an SUDC proband and her sibling with Dravet syndrome, as well as an SLC6A1 mutation in a proband with epileptic encephalopathy.
|
26716362 |
2016 |
Infantile Severe Myoclonic Epilepsy
|
0.900 |
GeneticVariation
|
disease |
BEFREE |
An overwhelmingly high number of SCN1A mutations have been associated with DS.
|
22705271 |
2012 |