Disease Score gda Association Type Type Original DB Sentence supporting the association PMID PMID Year
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 GermlineCausalMutation disease ORPHANET To investigate the contribution of SCN1A mutations to the etiology of SMEI, we examined nine additional SMEI patients. 12754708 2003
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 GermlineCausalMutation disease ORPHANET Review of the literature indicates that recurrent mutations account for 25% of SCN1A mutations in severe myoclonic epilepsy of infancy, including six sites of deamination at CpG dinucleotides. 16458823 2006
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 GermlineCausalMutation disease ORPHANET Because both GEFS+ and SMEI involve fever-associated seizures, we screened seven unrelated patients with SMEI for mutations in SCN1A. 11359211 2001
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 GermlineCausalMutation disease ORPHANET The genetics of Dravet syndrome. 21463275 2011
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 GermlineCausalMutation disease ORPHANET Dravet syndrome: a genetic epileptic disorder. 23093055 2012
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 AlteredExpression disease BEFREE Zebrafish with a mutation in the SCN1A homologue recapitulate spontaneous seizure activity and mimic the convulsive behavioural movements observed in Dravet syndrome. 28073790 2017
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 AlteredExpression disease BEFREE The present findings describe DS-related brain structure abnormalities probably linked to the expression of the SCN1A mutation. 25048308 2014
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 AlteredExpression disease BEFREE Since SCN1A is expressed in the motor neuron initial segment, we explored whether motor neuron dysfunction could contribute to gait disturbance and orthopedic misalignment in patients with Dravet syndrome due to SCN1A mutations. 27316242 2016
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 AlteredExpression disease BEFREE Dravet syndrome (DS) is a disease that is primarily caused by the inactivation of the SCN1A-encoded voltage-gated sodium channel alpha subunit (Nav1.1). 30529264 2019
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 AlteredExpression disease BEFREE Thus, the high risk of SUDEP in DS may result from a predisposition to cardiac arrhythmias in addition to seizures, reflecting expression of SCN1A in heart and brain. 30146492 2018
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE Rare variants of small effect size in neuronal excitability genes influence clinical outcome in Japanese cases of SCN1A truncation-positive Dravet syndrome. 28686619 2017
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
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
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE The induction of short repeated seizures, at the age of disease onset for Scn1a mouse models (P21), had no effect in WT mice, but transformed the mild/asymptomatic phenotype of Scn1a<sup>RH/+</sup> mice into a severe DS-like phenotype, including frequent spontaneous seizures and cognitive/behavioral deficits. 30659983 2019
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE These findings demonstrate that electrophysiological data from mammalian expression systems can serve as useful disease biomarker when evaluating SCN1A variants, particularly in view of new and emerging treatment options in DS. 31782251 2019
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE Our results indicate that reduced sodium currents in GABAergic inhibitory interneurons in Scn1a+/- heterozygotes may cause the hyperexcitability that leads to epilepsy in patients with SMEI. 16921370 2006
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE We propose that delayed maturation of GABAergic signaling may contribute to epileptogenesis in SCN1B- and SCN1A-linked DS. 30996233 2019
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE Our data provide evidence for a range of SCN1A functional abnormalities in SMEI, including gain-of-function defects that were not anticipated in this disorder. 15263074 2004
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE SCN1A is the most clinically relevant epilepsy gene and is associated with generalized epilepsy and febrile seizure plus (GEFS+) and Dravet syndrome. 19292758 2009
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease CLINGEN 81.25% (13/16) of SCN1A mutations were de novo and 68.8% (11/16) were novel in Dravet syndrome. 30185235 2018
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease MGD Mice with heterozygous deletion of Scn1a (Scn1a(+/-) ) model a number of Dravet syndrome features, including spontaneous seizures and premature lethality. 24152123 2014
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE We developed a zebrafish model of DS using morpholino antisense oligomers (MOs) targeting scn1Lab, the zebrafish ortholog of SCN1A. 25965391 2015
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease MGD Dravet syndrome (DS) is a severe childhood-onset epilepsy commonly due to mutations of the sodium channel gene SCN1A. 29329111 2018
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE We report on the use of the voltage-gated calcium channel blocker (Vg-CCB), verapamil, as an add-on anticonvulsant medication in two girls, 4 and 14 years of age, who were affected by severe myoclonic epilepsy in infancy (SMEI) or Dravet syndrome, a channelopathy caused by abnormalities in the voltage-gated sodium channel neuronal type alpha1 subunit (SCN1A) gene at 2q24. 19303743 2009
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease BEFREE In addition, a patient with DS had a partial SCN1A amplification of 5-6 copies. 19400878 2009
CUI: C0751122
Disease: Infantile Severe Myoclonic Epilepsy
Infantile Severe Myoclonic Epilepsy
0.900 Biomarker disease CTD_human N1417H-Scn1a mutant rats may, therefore, be useful for testing the efficacy of new AEDs against FS in GEFS+ and SMEI patients. 21480876 2011