2021
Disruption of NEUROD2 causes a neurodevelopmental syndrome with autistic features via cell-autonomous defects in forebrain glutamatergic neurons
Runge K, Mathieu R, Bugeon S, Lafi S, Beurrier C, Sahu S, Schaller F, Loubat A, Herault L, Gaillard S, Pallesi-Pocachard E, Montheil A, Bosio A, Rosenfeld JA, Hudson E, Lindstrom K, Mercimek-Andrews S, Jeffries L, van Haeringen A, Vanakker O, Van Hecke A, Amrom D, Küry S, Ratner C, Jethva R, Gamble C, Jacq B, Fasano L, Santpere G, Lorente-Galdos B, Sestan N, Gelot A, Giacuzz S, Goebbels S, Represa A, Cardoso C, Cremer H, de Chevigny A. Disruption of NEUROD2 causes a neurodevelopmental syndrome with autistic features via cell-autonomous defects in forebrain glutamatergic neurons. Molecular Psychiatry 2021, 26: 6125-6148. PMID: 34188164, PMCID: PMC8760061, DOI: 10.1038/s41380-021-01179-x.Peer-Reviewed Original ResearchConceptsLayer 5 neuronsKO miceForebrain glutamatergic neuronsTranscription factor NeuroD2Forebrain excitatory neuronsNeurodevelopmental disordersAutism spectrum disorderCortical projection neuronsPatch-clamp recordingsIntellectual disabilitySocial interaction deficitsSpontaneous seizuresCerebral cortexGlutamatergic neuronsSpine densityProjection neuronsIntrinsic excitabilityNervous system developmentNeuronal excitabilityExcitatory neuronsJuvenile miceBulk RNA sequencingSynaptic functionNeurobehavioral featuresDysregulated expressionExpansion of NEUROD2 phenotypes to include developmental delay without seizures
Mis EK, Sega AG, Signer RH, Cartwright T, Ji W, Martinez‐Agosto J, Nelson SF, Palmer CGS, Lee H, Mitzelfelt T, Konstantino M, Network U, Jeffries L, Khokha MK, Marco E, Martin MG, Lakhani SA. Expansion of NEUROD2 phenotypes to include developmental delay without seizures. American Journal Of Medical Genetics Part A 2021, 185: 1076-1080. PMID: 33438828, PMCID: PMC8212414, DOI: 10.1002/ajmg.a.62064.Peer-Reviewed Original ResearchConceptsDevelopmental delayEarly-onset seizuresDe novo heterozygous variantsNovo heterozygous variantsDifferentiation factor 2Xenopus laevis tadpolesHeterozygous variantsSeizuresNeuronal differentiationParental studiesFunctional testingMissense variantsPatient variantsFunctional evidenceFactor 2Vivo assaysLaevis tadpolesVariant pathogenicityFunction effectsAdolescentsVariants
2018
De novo pathogenic variants in neuronal differentiation factor 2 (NEUROD2) cause a form of early infantile epileptic encephalopathy
Sega AG, Mis EK, Lindstrom K, Mercimek-Andrews S, Ji W, Cho MT, Juusola J, Konstantino M, Jeffries L, Khokha MK, Lakhani SA. De novo pathogenic variants in neuronal differentiation factor 2 (NEUROD2) cause a form of early infantile epileptic encephalopathy. Journal Of Medical Genetics 2018, 56: 113. PMID: 30323019, DOI: 10.1136/jmedgenet-2018-105322.Peer-Reviewed Original ResearchConceptsEarly infantile epileptic encephalopathyInfantile epileptic encephalopathyEpileptic encephalopathyPatient variantsDe novo pathogenic variantsNovel de novo variantNovo pathogenic variantsEarly-onset refractory seizuresDifferentiation factor 2Whole-exome sequencingNeuronal differentiation factorRefractory seizuresSignificant developmental delaySpontaneous seizuresUnderlying etiologyEctopic neuronsDe novo variantsPatient's conditionEncephalopathyPathogenic variantsSevere disordersDevelopmental delayUnrelated childrenExome sequencingGene mutations