2024
Exploring molecular and cellular mechanisms and phenotypic characteristics of NAGLU Arg234Gly and Asp312Asn variants
Kaymakcalan Celebiler H, Barak T, Rai D, Kaya I, Erbilgin S, Cikili Uytun M, Oztop D, Gumus H, Per H, Ceylaner S, Bozkurt I, Kontaridis M, Bilguvar K, Akhun N, Kilincaslan A, Caglayan A, Erson-Omay E, Gunel M, Ercan-Sencicek A. Exploring molecular and cellular mechanisms and phenotypic characteristics of NAGLU Arg234Gly and Asp312Asn variants. Molecular Syndromology 2024, 1-15. DOI: 10.1159/000542367.Peer-Reviewed Original ResearchWhole-exome sequencingStandard Sanger sequencingMucopolysaccharidosis type IIIBExome sequencingProgressive neurodegenerative disorderConsanguineous familySanger sequencingNAGLU genePhenotypic characteristicsMagnetic resonance imagingEnzymatic assayNeurodegenerative disordersAffected individualsLoss of activityNeurodegenerative symptomsAutosomal recessive lysosomal disorderCellular mechanismsVariantsLysosomal disorderEnzymeNormal MRI findingsSequenceMPS IIIBMRI findingsType IIIB
2021
NIMG-64. TYPE OF BONY INVOLVEMENT PREDICTS GENOMIC SUBGROUP IN SPHENOID WING MENINGIOMAS
Jin L, Youngblood M, Gupte T, Vetsa S, Nadar A, Barak T, Yalcin K, Aguilera S, Mishra-Gorur K, Blondin N, Omay S, Pointdujour-Lim R, Judson B, Alperovich M, Aboian M, McGuone D, Gunel M, Erson-Omay Z, Fulbright R, Moliterno J. NIMG-64. TYPE OF BONY INVOLVEMENT PREDICTS GENOMIC SUBGROUP IN SPHENOID WING MENINGIOMAS. Neuro-Oncology 2021, 23: vi144-vi144. PMCID: PMC8598770, DOI: 10.1093/neuonc/noab196.562.Peer-Reviewed Original ResearchSphenoid wing meningiomaSpheno-orbital meningiomasBony involvementTRAF7 mutationsTumor invasionGenomic subgroupsPre-operative clinical featuresYale-New Haven HospitalAdditional clinical variablesSubset of tumorsPre-operative predictionLogistic regression modelsWhole-exome sequencingClinical featuresClinical variablesGrade IIPredictive logistic regression modelRecurrence patternsMolecular subtypesClinical implicationsExome sequencingHyperostosisMeningiomasTumorsGenomic driversType of bony involvement predicts genomic subgroup in sphenoid wing meningiomas
Jin L, Youngblood MW, Gupte TP, Vetsa S, Nadar A, Barak T, Yalcin K, Aguilera SM, Mishra-Gorur K, Blondin NA, Gorelick E, Omay SB, Pointdujour-Lim R, Judson BL, Alperovich M, Aboian MS, McGuone D, Gunel M, Erson-Omay Z, Fulbright RK, Moliterno J. Type of bony involvement predicts genomic subgroup in sphenoid wing meningiomas. Journal Of Neuro-Oncology 2021, 154: 237-246. PMID: 34350560, DOI: 10.1007/s11060-021-03819-2.Peer-Reviewed Original ResearchConceptsSpheno-orbital meningiomasSphenoid wing meningiomaBony involvementTRAF7 mutationsGenomic subgroupsPre-operative clinical featuresTumor invasionYale-New Haven HospitalAdditional clinical variablesSubset of tumorsPre-operative predictionWhole-exome sequencingBone involvementBone invasionClinical featuresClinical variablesGrade IIMolecular subtypesRecurrence patternsClinical implicationsHyperostosisExome sequencingMeningiomasTumorsGenomic driversExome sequencing identifies SLIT2 variants in primary CNS lymphoma
Kaulen LD, Erson‐Omay E, Henegariu O, Karschnia P, Huttner A, Günel M, Baehring JM. Exome sequencing identifies SLIT2 variants in primary CNS lymphoma. British Journal Of Haematology 2021, 193: 375-379. PMID: 33481259, DOI: 10.1111/bjh.17319.Peer-Reviewed Original ResearchConceptsPrimary central nervous system lymphomaShorter progression-free survivalCentral nervous system lymphomaRole of SLIT2Primary CNS lymphomaProgression-free survivalLarger validation cohortNervous system lymphomaShorter overall survivalPossible prognostic implicationsWarrants further investigationCNS lymphomaTumor DNA samplesOverall survivalPCNSL patientsSystem lymphomaPrognostic implicationsValidation cohortPCNSL pathogenesisLymphoid malignanciesFunction variantsTumor suppressor geneExome sequencingLuciferase assayLymphoma
2020
Exome sequencing implicates genetic disruption of prenatal neuro-gliogenesis in sporadic congenital hydrocephalus
Jin SC, Dong W, Kundishora AJ, Panchagnula S, Moreno-De-Luca A, Furey CG, Allocco AA, Walker RL, Nelson-Williams C, Smith H, Dunbar A, Conine S, Lu Q, Zeng X, Sierant MC, Knight JR, Sullivan W, Duy PQ, DeSpenza T, Reeves BC, Karimy JK, Marlier A, Castaldi C, Tikhonova IR, Li B, Peña HP, Broach JR, Kabachelor EM, Ssenyonga P, Hehnly C, Ge L, Keren B, Timberlake AT, Goto J, Mangano FT, Johnston JM, Butler WE, Warf BC, Smith ER, Schiff SJ, Limbrick DD, Heuer G, Jackson EM, Iskandar BJ, Mane S, Haider S, Guclu B, Bayri Y, Sahin Y, Duncan CC, Apuzzo MLJ, DiLuna ML, Hoffman EJ, Sestan N, Ment LR, Alper SL, Bilguvar K, Geschwind DH, Günel M, Lifton RP, Kahle KT. Exome sequencing implicates genetic disruption of prenatal neuro-gliogenesis in sporadic congenital hydrocephalus. Nature Medicine 2020, 26: 1754-1765. PMID: 33077954, PMCID: PMC7871900, DOI: 10.1038/s41591-020-1090-2.Peer-Reviewed Original ResearchConceptsCongenital hydrocephalusPoor neurodevelopmental outcomesPost-surgical patientsCerebrospinal fluid accumulationNeural stem cell biologyGenetic disruptionWhole-exome sequencingPrimary pathomechanismEarly brain developmentNeurodevelopmental outcomesHigh morbidityCSF diversionMutation burdenFluid accumulationBrain ventriclesCH casesBrain developmentDe novo mutationsPatientsExome sequencingCSF dynamicsDisease mechanismsHydrocephalusNovo mutationsCell typesExome Sequencing Implicates Impaired GABA Signaling and Neuronal Ion Transport in Trigeminal Neuralgia
Dong W, Jin SC, Allocco A, Zeng X, Sheth AH, Panchagnula S, Castonguay A, Lorenzo LÉ, Islam B, Brindle G, Bachand K, Hu J, Sularz A, Gaillard J, Choi J, Dunbar A, Nelson-Williams C, Kiziltug E, Furey CG, Conine S, Duy PQ, Kundishora AJ, Loring E, Li B, Lu Q, Zhou G, Liu W, Li X, Sierant MC, Mane S, Castaldi C, López-Giráldez F, Knight JR, Sekula RF, Simard JM, Eskandar EN, Gottschalk C, Moliterno J, Günel M, Gerrard JL, Dib-Hajj S, Waxman SG, Barker FG, Alper SL, Chahine M, Haider S, De Koninck Y, Lifton RP, Kahle KT. Exome Sequencing Implicates Impaired GABA Signaling and Neuronal Ion Transport in Trigeminal Neuralgia. IScience 2020, 23: 101552. PMID: 33083721, PMCID: PMC7554653, DOI: 10.1016/j.isci.2020.101552.Peer-Reviewed Original ResearchTrigeminal neuralgiaNeuronal ion transportImpairment of GABAVoltage-gated CaMechanical allodyniaTN pathogenesisPain syndromePain behaviorGABA signalingReceptor ClDisease pathogenesisTN casesFamilial clusteringExome sequencingGenetic factorsVariant burdenNeuralgiaRare damaging variantsPathogenesisGABAChannel CaDamaging variantsProbandsParent-offspring triosLarge-scale genomic studies
2019
Mutations in TFAP2B and previously unimplicated genes of the BMP, Wnt, and Hedgehog pathways in syndromic craniosynostosis
Timberlake AT, Jin SC, Nelson-Williams C, Wu R, Furey CG, Islam B, Haider S, Loring E, Galm A, Steinbacher D, Larysz D, Staffenberg D, Flores R, Rodriguez E, Boggon T, Persing J, Lifton R, Lifton RP, Gunel M, Mane S, Bilguvar K, Gerstein M, Loring E, Nelson-Williams C, Lopez F, Knight J. Mutations in TFAP2B and previously unimplicated genes of the BMP, Wnt, and Hedgehog pathways in syndromic craniosynostosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2019, 116: 15116-15121. PMID: 31292255, PMCID: PMC6660739, DOI: 10.1073/pnas.1902041116.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlpha CateninChildChild, PreschoolCraniosynostosesExomeExome SequencingFemaleGene ExpressionGlypicansHistone AcetyltransferasesHumansMaleMutationNuclear ProteinsPedigreeRisk AssessmentSignal TransductionSkullSOXC Transcription FactorsTranscription Factor AP-2Zinc Finger Protein Gli2ConceptsRare damaging mutationsSyndromic craniosynostosisCongenital anomaliesDamaging mutationsSyndromic casesExome sequencingAdditional congenital anomaliesFrequent congenital anomaliesDamaging de novo mutationsNeural crest cell migrationDamaging de novoCrest cell migrationCS patientsMutation burdenChromatin modifiersSubsequent childrenTranscription factorsDe novo mutationsCS casesCS geneHedgehog pathwayDisease locusPremature fusionFunction mutationsCraniosynostosis
2018
Mutations in Chromatin Modifier and Ephrin Signaling Genes in Vein of Galen Malformation
Duran D, Zeng X, Jin SC, Choi J, Nelson-Williams C, Yatsula B, Gaillard J, Furey CG, Lu Q, Timberlake AT, Dong W, Sorscher MA, Loring E, Klein J, Allocco A, Hunt A, Conine S, Karimy JK, Youngblood MW, Zhang J, DiLuna ML, Matouk CC, Mane S, Tikhonova IR, Castaldi C, López-Giráldez F, Knight J, Haider S, Soban M, Alper SL, Komiyama M, Ducruet AF, Zabramski JM, Dardik A, Walcott BP, Stapleton CJ, Aagaard-Kienitz B, Rodesch G, Jackson E, Smith ER, Orbach DB, Berenstein A, Bilguvar K, Vikkula M, Gunel M, Lifton RP, Kahle KT. Mutations in Chromatin Modifier and Ephrin Signaling Genes in Vein of Galen Malformation. Neuron 2018, 101: 429-443.e4. PMID: 30578106, PMCID: PMC10292091, DOI: 10.1016/j.neuron.2018.11.041.Peer-Reviewed Original ResearchConceptsChromatin modifiersVascular developmentSpecification of arteriesDeep venous systemNormal vascular developmentParent-offspring triosSignaling GenesGalen malformationDamaging mutationsGenesMutationsEssential roleArterio-venous malformationsCutaneous vascular abnormalitiesNovo mutationsExome sequencingDisease biologyIncomplete penetranceVariable expressivityVascular abnormalitiesVenous systemMutation carriersArterial bloodMutation burdenClinical implicationsMAB21L1 loss of function causes a syndromic neurodevelopmental disorder with distinctive cerebellar, ocular, craniofacial and genital features (COFG syndrome)
Rad A, Altunoglu U, Miller R, Maroofian R, James KN, Çağlayan AO, Najafi M, Stanley V, Boustany RM, Yeşil G, Sahebzamani A, Ercan-Sencicek G, Saeidi K, Wu K, Bauer P, Bakey Z, Gleeson JG, Hauser N, Gunel M, Kayserili H, Schmidts M. MAB21L1 loss of function causes a syndromic neurodevelopmental disorder with distinctive cerebellar, ocular, craniofacial and genital features (COFG syndrome). Journal Of Medical Genetics 2018, 56: 332. PMID: 30487245, PMCID: PMC6581149, DOI: 10.1136/jmedgenet-2018-105623.Peer-Reviewed Original ResearchMeSH KeywordsAbnormalities, MultipleBrainChildChild, PreschoolConsanguinityExome SequencingFaciesFemaleGenetic Association StudiesGenetic Predisposition to DiseaseHomeodomain ProteinsHomozygoteHumansInfantLoss of Function MutationMagnetic Resonance ImagingMaleModels, MolecularNeurodevelopmental DisordersPedigreePhenotypePolymorphism, Single NucleotideProtein ConformationSyndromeConceptsScrotal agenesisCerebellar hypoplasiaCharacteristic facial gestaltHomozygous truncating variantConsanguineous familyUnrelated consanguineous familiesOphthalmological anomaliesSyndromic neurodevelopmental disorderCardinal featuresCerebello-oculoCorneal dystrophyLabioscrotal foldsTruncating variantsFunction variantsFacial gestaltExome sequencingSyndromeSimilar phenotypic featuresGenetic causeFacial dysmorphismNeurodevelopmental disordersMissense variantsVariable microcephalyNeurodevelopmental syndromeAffected individualsDe Novo Mutation in Genes Regulating Neural Stem Cell Fate in Human Congenital Hydrocephalus
Furey CG, Choi J, Jin SC, Zeng X, Timberlake AT, Nelson-Williams C, Mansuri MS, Lu Q, Duran D, Panchagnula S, Allocco A, Karimy JK, Khanna A, Gaillard JR, DeSpenza T, Antwi P, Loring E, Butler WE, Smith ER, Warf BC, Strahle JM, Limbrick DD, Storm PB, Heuer G, Jackson EM, Iskandar BJ, Johnston JM, Tikhonova I, Castaldi C, López-Giráldez F, Bjornson RD, Knight JR, Bilguvar K, Mane S, Alper SL, Haider S, Guclu B, Bayri Y, Sahin Y, Apuzzo MLJ, Duncan CC, DiLuna ML, Günel M, Lifton RP, Kahle KT. De Novo Mutation in Genes Regulating Neural Stem Cell Fate in Human Congenital Hydrocephalus. Neuron 2018, 99: 302-314.e4. PMID: 29983323, PMCID: PMC7839075, DOI: 10.1016/j.neuron.2018.06.019.Peer-Reviewed Original ResearchConceptsCongenital hydrocephalusNeural stem cell fateHuman congenital hydrocephalusDamaging de novoCerebrospinal fluid homeostasisSubstantial morbidityCH patientsTherapeutic ramificationsSignificant burdenBrain ventriclesCH pathogenesisNeural tube developmentFluid homeostasisDe novo mutationsExome sequencingAdditional probandsHydrocephalusPathogenesisNovo mutationsNovo duplicationProbandsDe novoCell fateMorbidityPatients
2016
ACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment
Vilarinho S, Sari S, Mazzacuva F, Bilgüvar K, Esendagli-Yilmaz G, Jain D, Akyol G, Dalgiç B, Günel M, Clayton PT, Lifton RP. ACOX2 deficiency: A disorder of bile acid synthesis with transaminase elevation, liver fibrosis, ataxia, and cognitive impairment. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 11289-11293. PMID: 27647924, PMCID: PMC5056113, DOI: 10.1073/pnas.1613228113.Peer-Reviewed Original ResearchConceptsAcyl-CoA oxidase 2Liver fibrosisCognitive impairmentElevated transaminase levelsTreatable inborn errorsBile acid synthesisBile acid intermediatesBile acid biosynthesisTransaminase elevationTransaminase levelsMarked elevationMild ataxiaBile acidsPatient's liverOxidase 2Acyl-CoA oxidaseOld maleBranched chain acyl-CoA oxidaseInborn errorsExome sequencingPremature termination mutationsBranched-chain fatty acidsFibrosisAtaxiaLiverFamilial occurrence of brain arteriovenous malformation: a novel ACVRL1 mutation detected by whole exome sequencing.
Yılmaz B, Toktaş ZO, Akakın A, Işık S, Bilguvar K, Kılıç T, Günel M. Familial occurrence of brain arteriovenous malformation: a novel ACVRL1 mutation detected by whole exome sequencing. Journal Of Neurosurgery 2016, 126: 1879-1883. PMID: 27611203, DOI: 10.3171/2016.6.jns16665.Peer-Reviewed Original ResearchConceptsBrain arteriovenous malformationsHereditary hemorrhagic telangiectasiaWhole-exome sequencingArteriovenous malformationsExome sequencingWhole-exome sequencing analysisSpinal arteriovenous malformationsDiagnostic classification schemesExome sequencing analysisComprehensive genomic characterizationConclusion Study resultsCranial MRIDirect Sanger sequencingHemorrhagic telangiectasiaBlood samplesFamilial occurrenceHeterozygous mutationsACVRL1 mutationsPatientsThree SiblingsFourth siblingVariant segregationSanger sequencingMalformationsSiblings
2014
Paediatric hepatocellular carcinoma due to somatic CTNNB1 and NFE2L2 mutations in the setting of inherited bi-allelic ABCB11 mutations
Vilarinho S, Erson-Omay EZ, Harmanci AS, Morotti R, Carrion-Grant G, Baranoski J, Knisely AS, Ekong U, Emre S, Yasuno K, Bilguvar K, Günel M. Paediatric hepatocellular carcinoma due to somatic CTNNB1 and NFE2L2 mutations in the setting of inherited bi-allelic ABCB11 mutations. Journal Of Hepatology 2014, 61: 1178-1183. PMID: 25016225, DOI: 10.1016/j.jhep.2014.07.003.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceATP Binding Cassette Transporter, Subfamily B, Member 11ATP-Binding Cassette TransportersBase SequenceBeta CateninCarcinoma, HepatocellularCholestasis, IntrahepaticDNA, NeoplasmFemaleGerm-Line MutationHumansInfantLiver NeoplasmsMolecular Sequence DataMutationMutation, MissenseNF-E2-Related Factor 2Sequence Homology, Amino AcidConceptsBile salt export pumpWhole-exome sequencingHepatocellular carcinomaMonths of ageNFE2L2 mutationsABCB11 mutationsSomatic CTNNB1Background liver parenchymaPediatric hepatocellular carcinomaNew onsetSomatic driver mutationsBSEP expressionLiver parenchymaHCC tissuesHepatocellular carcinogenesisWES analysisExport pumpDriver mutationsCTNNB1 mutationsExome sequencingChild's diagnosisClonality analysisGermline DNAPossible genetic basisEarly childhoodA congenital disorder of deglycosylation: biochemical characterization of N‐glycanase 1 deficiency in patient fibroblasts (607.3)
He P, Ng B, Cresswell P, Grotzke J, Gunel M, Jafar‐Nejad H, Kodali V, Kaufman R, Freeze H. A congenital disorder of deglycosylation: biochemical characterization of N‐glycanase 1 deficiency in patient fibroblasts (607.3). The FASEB Journal 2014, 28 DOI: 10.1096/fasebj.28.1_supplement.607.3.Peer-Reviewed Original ResearchN-glycanase 1 (NGLY1) deficiencyN-glycanase 1Patient fibroblastsMisfolded glycoproteinsER stressPatient-derived fibroblastsFree oligosaccharidesSignal transductionProteasomal degradationBiochemical characterizationNGLY1Enzymatic activitySubstrate accumulationExome sequencingPhysiological conditionsDeglycosylationFibroblastsAbnormal liver functionGlycoproteinMutationsCongenital disorderPeripheral neuropathyLiver functionAltered size distributionTransduction
2012
The Centers for Mendelian Genomics: A new large‐scale initiative to identify the genes underlying rare Mendelian conditions
Bamshad MJ, Shendure JA, Valle D, Hamosh A, Lupski JR, Gibbs RA, Boerwinkle E, Lifton RP, Gerstein M, Gunel M, Mane S, Nickerson DA, Genomics O. The Centers for Mendelian Genomics: A new large‐scale initiative to identify the genes underlying rare Mendelian conditions. American Journal Of Medical Genetics Part A 2012, 158A: 1523-1525. PMID: 22628075, PMCID: PMC3702263, DOI: 10.1002/ajmg.a.35470.Peer-Reviewed Original ResearchConceptsWhole-genome sequencingMendelian GenomicsMendelian disordersHuman genetics communityNext-generation exome sequencingExome sequencingGenomicsMendelian phenotypesGenome sequencingGenetics communityRare Mendelian conditionsMendelian conditionsGenesSequencingNew powerful toolPowerful toolLarge fractionPhenotypeLarge-scale initiativesDiscoveryIdentification