Dravet syndrome (Homo sapiens)

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173115, 63266GABAergic inhibitory interneuronNucleusNav1.1 Sodium channelmTORC2α subunit binds only two different β subunits, either a β1 or β3 and a β2 or β4.NFKB1MLST8MAPK11TNFANa+SCN2BPI3KSCN3BAKT1MAPKAP1PRR5LCa2+RICTORPRR5Nav1.1SCN1ACAMKIIMTORCaMSCN1BSCN4B446664


Description

Dravet syndrome is a rare form of epilepsy. Between 70% and 80% of patients carry sodium channel α1 subunit gene (SCN1A) loss of function mutations. Truncating mutations (early stop codon) account for about 40% and have a significant correlation with an earlier age of seizures onset.

The mutations lead to haploinsufficiency of the voltage-gated sodium channel α subunit NaV1.1 in the of GABAergic inhibitory interneurons in the brain.

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Ontology Terms

 

Bibliography

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  6. Wang C, Hoch EG, Pitt GS; ''Identification of novel interaction sites that determine specificity between fibroblast growth factor homologous factors and voltage-gated sodium channels.''; J Biol Chem, 2011 PubMed Europe PMC Scholia
  7. Wierda KD, Toonen RF, de Wit H, Brussaard AB, Verhage M; ''Interdependence of PKC-dependent and PKC-independent pathways for presynaptic plasticity.''; Neuron, 2007 PubMed Europe PMC Scholia
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  11. Gee SH, Madhavan R, Levinson SR, Caldwell JH, Sealock R, Froehner SC; ''Interaction of muscle and brain sodium channels with multiple members of the syntrophin family of dystrophin-associated proteins.''; J Neurosci, 1998 PubMed Europe PMC Scholia

History

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CompareRevisionActionTimeUserComment
135747view10:03, 7 November 2024FehrhartAdded SNTA1
134566view22:49, 22 July 2024EweitzOntology Term : 'pyramidal neuron' added !
124413view14:47, 26 October 2022PepinmarshallModified title
124412view14:42, 26 October 2022PepinmarshallReverted to version '14:41, 26 October 2022' by Pepinmarshall
124410view14:41, 26 October 2022Pepinmarshall
124407view13:58, 26 October 2022PepinmarshallChanged geneproducts into proteins, except SCN1A under transcription in the nucleus
124406view13:44, 26 October 2022PepinmarshallMinor edits to test editing rights; updated gene name to protein name for Kv1.2, added dashed line to link between Na+ and PKC as Na+ does not activate it directly, rather via DAG and Ca2+
123909view09:44, 30 August 2022FehrhartAdded release of GABA
123908view09:37, 30 August 2022FehrhartOntology Term : 'GABAergic interneuron' added !
123541view10:35, 3 August 2022FehrhartModified description
123444view12:21, 27 July 2022Fehrhartadded more nodes
123442view08:12, 27 July 2022FehrhartUpdated references
123441view07:18, 27 July 2022FehrhartChanged some faulty identifiers
122392view12:59, 28 March 2022FehrhartCorrected references
122390view12:16, 28 March 2022FehrhartOntology Term : 'neuron' added !
122389view12:16, 28 March 2022FehrhartOntology Term : 'disease pathway' added !
122388view12:16, 28 March 2022FehrhartOntology Term : 'Dravet syndrome' added !
122381view11:40, 26 March 2022EgonwRemoved a space from the PubMed ID
122377view11:16, 25 March 2022LeadoernerReorganization
122376view10:23, 25 March 2022MiriamBabukhianAdded Nav1.1 phosporylation by AKT1
122369view14:09, 24 March 2022LeadoernerChange in Nav1.1 identifyer
122367view10:37, 24 March 2022MiriamBabukhianChnged all identifiers to ENSEMBL
122366view08:48, 24 March 2022LeadoernerAddition of Nav1.3
122349view17:27, 22 March 2022LeadoernerChange of an identifyer
122317view18:27, 17 March 2022LeadoernerChanges in annotations
121997view07:29, 9 March 2022LeadoernerMinor changes
121978view18:40, 8 March 2022LeadoernerComplex and group were created
121949view16:36, 8 March 2022LeadoernerInteractions were improved
121687view07:47, 25 February 2022LeadoernerI corrected the annotations
121676view14:41, 24 February 2022MiriamBabukhianConnections were fixed
121674view13:16, 24 February 2022LeadoernerModified description
121629view11:39, 22 February 2022MiriamBabukhianNew pathway

External references

DataNodes

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NameTypeDatabase referenceComment
AKT1GeneProductENSG00000142208 (Ensembl)
CAMKIIProteinUniProtKB - Q00168 (Uniprot-TrEMBL)
Ca2+MetaboliteCHEBI:29108 (ChEBI)
CaMProteinUniProtKB - P07463 (Uniprot-TrEMBL)
MAPK11GeneProductENSG00000185386 (Ensembl)
MAPKAP1GeneProductENSG00000119487 (Ensembl)
MLST8GeneProductENSG00000167965 (Ensembl)
MTORGeneProductENSG00000198793 (Ensembl)
NFKB1GeneProductENSG00000109320 (Ensembl)
Na+Metabolite63005 (ChEBI)
Nav1.1ProteinP35498 (Uniprot-TrEMBL)
PI3KProteinUniProtKB - A0A2P0XJ53 (Uniprot-TrEMBL)
PRR5GeneProductENSG00000186654 (Ensembl)
PRR5LGeneProductENSG00000135362 (Ensembl)
RICTORGeneProductENSG00000164327 (Ensembl)
SCN1AGeneProductENSG00000144285 (Ensembl)
SCN1BGeneProductENSG00000105711 (Ensembl)
SCN2BGeneProductENSG00000149575 (Ensembl)
SCN3BGeneProductENSG00000166257 (Ensembl)
SCN4BGeneProductENSG00000177098 (Ensembl)
TNFAGeneProductENSG00000228978 (Ensembl)

Annotated Interactions

No annotated interactions

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