0000000000723875

AUTHOR

Frederic Tran Mau-them

showing 2 related works from this author

Mutations in the Neuronal Vesicular SNARE VAMP2 Affect Synaptic Membrane Fusion and Impair Human Neurodevelopment

2019

VAMP2 encodes the vesicular SNARE protein VAMP2 (also called synaptobrevin-2). Together with its partners syntaxin-1A and synaptosomal-associated protein 25 (SNAP25), VAMP2 mediates fusion of synaptic vesicles to release neurotransmitters. VAMP2 is essential for vesicular exocytosis and activity-dependent neurotransmitter release. Here, we report five heterozygous de novo mutations in VAMP2 in unrelated individuals presenting with a neurodevelopmental disorder characterized by axial hypotonia (which had been present since birth), intellectual disability, and autistic features. In total, we identified two single-amino-acid deletions and three non-synonymous variants affecting conserved resid…

MaleHeterozygoteAdolescentVesicle-Associated Membrane Protein 2neuronal exocytosisynaptopathyautismsynaptobrevinMembrane FusionExocytosisR-SNARE ProteinsProtein DomainsReportIntellectual DisabilityGeneticsHumansAutistic DisorderChildGenetics (clinical)NeuronsNeurotransmitter Agentsneurodevelopmental disordersvesicle fusionBrainautism; epilepsy; movement disorders; neurodevelopmental disorders; neuronal exocytosis; SNARE; synaptobrevin; synaptopathy; VAMP2; vesicle fusionneuronal exocytosisLipidsMagnetic Resonance Imagingneurodevelopmental disorderautism epilepsy movement disorders neurodevelopmental disorders neuronal exocytosis SNARE synaptobrevin synaptopathy VAMP2 vesicle fusion Genetics Genetics (clinical)Phenotypeautism; epilepsy; movement disorders; neurodevelopmental disorders; neuronal exocytosis; SNARE; synaptobrevin; synaptopathy; VAMP2; vesicle fusion; Genetics; Genetics (clinical)VAMP2SNAREChild PreschoolMutationSynapsesMuscle Hypotoniaepilepsymovement disordersFemalesense organsmovement disorder
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A Recurrent De Novo PACS2 Heterozygous Missense Variant Causes Neonatal-Onset Developmental Epileptic Encephalopathy, Facial Dysmorphism, and Cerebel…

2018

International audience; Developmental and epileptic encephalopathies (DEEs) represent a large clinical and genetic heterogeneous group of neurodevelopmental diseases. The identification of pathogenic genetic variants in DEEs remains crucial for deciphering this complex group and for accurately caring for affected individuals (clinical diagnosis, genetic counseling, impacting medical, precision therapy, clinical trials, etc.). Whole-exome sequencing and intensive data sharing identified a recurrent de novo PACS2 heterozygous missense variant in 14 unrelated individuals. Their phenotype was characterized by epilepsy, global developmental delay with or without autism, common cerebellar dysgene…

Male0301 basic medicinePathologyPACS-2Vesicular Transport ProteinsPHENOTYPEBioinformaticsDISEASESensory disorders Donders Center for Medical Neuroscience [Radboudumc 12]Epilepsy0302 clinical medicineMissense mutationGlobal developmental delayAge of OnsetChildGenetics (clinical)Epileptic encephalopathyAPOPTOSIS3. Good healthcerebellar dysgenesisMutation Missense/geneticsintellectual disabilityChild PreschoolEpilepsy GeneralizedFemalePACS2CLINICAL EPILEPSYmedicine.medical_specialtyHeterozygoteGeneralized/geneticsPROTEINSGenetic counselingMutation MissenseMissense/geneticsNeonatal onsetBiologyDIAGNOSISVesicular Transport Proteins/geneticsFacial dysmorphism03 medical and health sciencesDysgenesisAll institutes and research themes of the Radboud University Medical CenterCerebellar DiseasesReportMENDELIAN DISORDERSGeneticsmedicineHumansGeneralized epilepsyPreschoolNeurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7]Cerebellar Diseases/geneticsbusiness.industryMUTATIONSInfant NewbornCorrectionInfantFaciesNewbornmedicine.disease030104 developmental biology[SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human geneticsMutationepilepsyAutismbusinessEpilepsy Generalized/genetics030217 neurology & neurosurgery
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