Featured Publications
Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO
Clark VE, Erson-Omay EZ, Serin A, Yin J, Cotney J, Özduman K, Avşar T, Li J, Murray PB, Henegariu O, Yilmaz S, Günel JM, Carrión-Grant G, Yılmaz B, Grady C, Tanrıkulu B, Bakırcıoğlu M, Kaymakçalan H, Caglayan AO, Sencar L, Ceyhun E, Atik AF, Bayri Y, Bai H, Kolb LE, Hebert RM, Omay SB, Mishra-Gorur K, Choi M, Overton JD, Holland EC, Mane S, State MW, Bilgüvar K, Baehring JM, Gutin PH, Piepmeier JM, Vortmeyer A, Brennan CW, Pamir MN, Kılıç T, Lifton RP, Noonan JP, Yasuno K, Günel M. Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO. Science 2013, 339: 1077-1080. PMID: 23348505, PMCID: PMC4808587, DOI: 10.1126/science.1233009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBrain NeoplasmsChromosomes, Human, Pair 22DNA Mutational AnalysisFemaleGenes, Neurofibromatosis 2Genomic InstabilityGenomicsHumansKruppel-Like Factor 4Kruppel-Like Transcription FactorsMaleMeningeal NeoplasmsMeningiomaMiddle AgedMutationNeoplasm GradingProto-Oncogene Proteins c-aktReceptors, G-Protein-CoupledSmoothened ReceptorTumor Necrosis Factor Receptor-Associated Peptides and Proteins
2023
Contribution of Somatic Ras/Raf/Mitogen-Activated Protein Kinase Variants in the Hippocampus in Drug-Resistant Mesial Temporal Lobe Epilepsy
Khoshkhoo S, Wang Y, Chahine Y, Erson-Omay E, Robert S, Kiziltug E, Damisah E, Nelson-Williams C, Zhu G, Kong W, Huang A, Stronge E, Phillips H, Chhouk B, Bizzotto S, Chen M, Adikari T, Ye Z, Witkowski T, Lai D, Lee N, Lokan J, Scheffer I, Berkovic S, Haider S, Hildebrand M, Yang E, Gunel M, Lifton R, Richardson R, Blümcke I, Alexandrescu S, Huttner A, Heinzen E, Zhu J, Poduri A, DeLanerolle N, Spencer D, Lee E, Walsh C, Kahle K. Contribution of Somatic Ras/Raf/Mitogen-Activated Protein Kinase Variants in the Hippocampus in Drug-Resistant Mesial Temporal Lobe Epilepsy. JAMA Neurology 2023, 80: 578-587. PMID: 37126322, PMCID: PMC10152377, DOI: 10.1001/jamaneurol.2023.0473.Peer-Reviewed Original ResearchConceptsDrug-resistant mesial temporal lobe epilepsyMesial temporal lobe epilepsyPathogenic somatic variantsTemporal lobe epilepsyMedian ageLobe epilepsyTemporal neocortexHippocampal tissueLevel 4 epilepsy centerAvailable frozen tissueSomatic variantsControl brain tissueMedial temporal lobectomyNew therapeutic targetsMolecular assaysGene panel sequencingRas/Raf/MAPK signalingAntiseizure medicationsMost patientsCommon indicationGermline genetic variantsEpilepsy centersTemporal lobectomyEpilepsy surgerySex-matched neurotypical controls
2021
Somatic NF1 mutations in pituitary adenomas: Report of two cases
Hong CS, Kundishora AJ, Elsamadicy AA, Koo AB, McGuone D, Inzucchi SE, Omay SB, Erson-Omay EZ. Somatic NF1 mutations in pituitary adenomas: Report of two cases. Cancer Genetics 2021, 256: 26-30. PMID: 33862521, DOI: 10.1016/j.cancergen.2021.03.004.Peer-Reviewed Original Research
2020
Associations of meningioma molecular subgroup and tumor recurrence
Youngblood MW, Miyagishima DF, Jin L, Gupte T, Li C, Duran D, Montejo JD, Zhao A, Sheth A, Tyrtova E, Özduman K, Iacoangeli F, Peyre M, Boetto J, Pease M, Avşar T, Huttner A, Bilguvar K, Kilic T, Pamir MN, Amankulor N, Kalamarides M, Erson-Omay EZ, Günel M, Moliterno J. Associations of meningioma molecular subgroup and tumor recurrence. Neuro-Oncology 2020, 23: 783-794. PMID: 33068421, PMCID: PMC8099468, DOI: 10.1093/neuonc/noaa226.Peer-Reviewed Original ResearchConceptsDivergent clinical coursesMolecular subgroupsClinical courseClinical outcomesProgression-free survivalExtent of resectionKaplan-Meier analysisLong-term outcomesLow-grade tumorsCox proportional hazardsDistinct clinical outcomesPostoperative radiationIndependent predictorsMale sexRecurrence rateSurveillance imagingTumor recurrencePrevious recurrencesClinical prognosticationKi-67Outcome dataAggressive subgroupRecurrenceElevated recurrenceProportional hazardsMETAP1 mutation is a novel candidate for autosomal recessive intellectual disability
Caglayan AO, Aktar F, Bilguvar K, Baranoski JF, Akgumus GT, Harmanci AS, Erson-Omay EZ, Yasuno K, Caksen H, Gunel M. METAP1 mutation is a novel candidate for autosomal recessive intellectual disability. Journal Of Human Genetics 2020, 66: 215-218. PMID: 32764695, PMCID: PMC7785574, DOI: 10.1038/s10038-020-0820-0.Peer-Reviewed Original ResearchConceptsEssential proteinsAutosomal recessive intellectual disabilityRecessive intellectual disabilityMethionine aminopeptidase 1Genomic analysisHomozygous nonsense mutationFunction mutationsNovel homozygous nonsense mutationNonsense mutationAminopeptidase 1Novel candidatesNeuronal functionMutationsMolecular pathogenesisProteinIntellectual disabilityGenome testingEukaryotesNovel etiologyMetAP1GenesNeurologic impairmentCommon diseasePathwayCellsLarge-scale second-hit AIP deletion causing a pediatric growth hormone-secreting pituitary adenoma: Case report and review of literature
Gummadavelli A, Dinauer C, McGuone D, Vining EM, Erson-Omay EZ, Omay SB. Large-scale second-hit AIP deletion causing a pediatric growth hormone-secreting pituitary adenoma: Case report and review of literature. Journal Of Clinical Neuroscience 2020, 78: 420-422. PMID: 32336638, DOI: 10.1016/j.jocn.2020.04.103.Peer-Reviewed Original Research
2019
DNMT3A co-mutation in an IDH1-mutant glioblastoma
Fomchenko EI, Erson-Omay EZ, Zhao A, Bindra RS, Huttner A, Fulbright RK, Moliterno J. DNMT3A co-mutation in an IDH1-mutant glioblastoma. Molecular Case Studies 2019, 5: a004119. PMID: 31371348, PMCID: PMC6672028, DOI: 10.1101/mcs.a004119.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkers, TumorBrain NeoplasmsDNA (Cytosine-5-)-MethyltransferasesDNA MethylationDNA Methyltransferase 3ADNA Modification MethylasesEpigenesis, GeneticGene Expression ProfilingGene Expression Regulation, NeoplasticGlioblastomaGliomaHumansIsocitrate DehydrogenaseMaleMutationMutation, MissensePromoter Regions, GeneticConceptsIDH1-mutant glioblastomaEpigenetic controlHistone modificationsTranscriptional regulationDNA methylationExpression profilesGlioblastoma biologySomatic mutationsDe novoMutationsMutant glioblastomasTumor landscapeMutational profileTargeted therapeutic approachesGlioblastomaImportant roleMethylationDNMT3ABiologyGliomagenesisMissenseRegulationNovoPrimary brain tumorsTherapeutic approaches
2018
Whole-Exome Sequencing of an Exceptional Longevity Cohort
Nygaard HB, Erson-Omay EZ, Wu X, Kent BA, Bernales CQ, Evans DM, Farrer MJ, Vilariño-Güell C, Strittmatter SM. Whole-Exome Sequencing of an Exceptional Longevity Cohort. The Journals Of Gerontology Series A 2018, 74: 1386-1390. PMID: 29750252, PMCID: PMC6696723, DOI: 10.1093/gerona/gly098.Peer-Reviewed Original ResearchConceptsGenetic basisRare protein-altering variantsSearch of genesGene burden analysisProtein-altering variantsIndividual genesWhole-exome sequencingAlzheimer's diseaseAging phenotypesGenesRisk variantsGenetic variantsGenetic contributionExceptional longevityExome sequencingLongevity cohortBurden analysisRare variantsNeurodegenerative disordersSequencingPhenotypeLongevityNominal statistical significanceVariantsMDN1
2017
Use of telomerase promoter mutations to mark specific molecular subsets with reciprocal clinical behavior in IDH mutant and IDH wild-type diffuse gliomas.
Akyerli CB, Yüksel Ş, Can Ö, Erson-Omay EZ, Oktay Y, Coşgun E, Ülgen E, Erdemgil Y, Sav A, von Deimling A, Günel M, Yakıcıer MC, Pamir MN, Özduman K. Use of telomerase promoter mutations to mark specific molecular subsets with reciprocal clinical behavior in IDH mutant and IDH wild-type diffuse gliomas. Journal Of Neurosurgery 2017, 128: 1102-1114. PMID: 28621624, DOI: 10.3171/2016.11.jns16973.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overBrain NeoplasmsCohort StudiesDNA Mutational AnalysisFemaleGenetic MarkersGliomaHumansIsocitrate DehydrogenaseKaplan-Meier EstimateKi-67 AntigenMaleMiddle AgedMutationPromoter Regions, GeneticSurvival AnalysisTelomeraseTreatment OutcomeYoung AdultConceptsMolecular subsetsIDH-wt gliomasIDH wild-type diffuse gliomasDiffuse gliomasIDH-mut gliomasClinical behaviorTERTp-mutHigh Ki-67 labeling indexKi-67 labeling indexDouble-negative subsetObjective Recent studiesClinical tumor behaviorDifferent tumor biologySpecific molecular subsetsTERT promoter mutationsEpidermal growth factor receptorTensin homolog (PTEN) mutationsTelomerase promoter mutationsCumulative followGrowth factor receptorSurgical cohortMalignant degenerationClinical parametersHistopathological diagnosisCombined status
2016
Biallelic Mutations in Citron Kinase Link Mitotic Cytokinesis to Human Primary Microcephaly
Li H, Bielas SL, Zaki MS, Ismail S, Farfara D, Um K, Rosti RO, Scott EC, Tu S, C. NC, Gabriel S, Erson-Omay EZ, Ercan-Sencicek AG, Yasuno K, Çağlayan AO, Kaymakçalan H, Ekici B, Bilguvar K, Gunel M, Gleeson JG. Biallelic Mutations in Citron Kinase Link Mitotic Cytokinesis to Human Primary Microcephaly. American Journal Of Human Genetics 2016, 99: 501-510. PMID: 27453578, PMCID: PMC4974110, DOI: 10.1016/j.ajhg.2016.07.004.Peer-Reviewed Original ResearchConceptsInduced pluripotent stem cellsPrimary microcephalyHuman primary microcephalyAutosomal recessive primary microcephalyNon-progressive intellectual disabilityAmino acid residuesPluripotent stem cellsMitotic cytokinesisCellular functionsGenome editingCell divisionKinase domainAbnormal cytokinesisCRISPR/Homozygous missense mutationCytokinesisKinase activityMultipolar spindlesNeural progenitorsAcid residuesFunction mutationsMissense mutationsStem cellsMultiple rolesMutationsIDH-mutant glioma specific association of rs55705857 located at 8q24.21 involves MYC deregulation
Oktay Y, Ülgen E, Can Ö, Akyerli CB, Yüksel Ş, Erdemgil Y, Durası İ, Henegariu OI, Nanni EP, Selevsek N, Grossmann J, Erson-Omay EZ, Bai H, Gupta M, Lee W, Turcan Ş, Özpınar A, Huse JT, Sav MA, Flanagan A, Günel M, Sezerman OU, Yakıcıer MC, Pamir MN, Özduman K. IDH-mutant glioma specific association of rs55705857 located at 8q24.21 involves MYC deregulation. Scientific Reports 2016, 6: 27569. PMID: 27282637, PMCID: PMC4901315, DOI: 10.1038/srep27569.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAllelesBiomarkers, TumorFemaleGene Expression Regulation, NeoplasticGenetic Association StudiesGenetic Predisposition to DiseaseGliomaHumansIsocitrate DehydrogenaseKaplan-Meier EstimateMaleMiddle AgedMutationNeoplasm GradingNeoplasm ProteinsPolymorphism, Single NucleotideProteomicsProto-Oncogene Proteins c-mycSequence Analysis, RNAConceptsCase-control studySubtype-specific differencesMYC deregulationSystemic cancerCNS tumorsHealthy controlsAllele carriersLC-MS/MS comparisonModulatory effectsCartilaginous tumorsControl studyPositive modulationUnderlying causeGliomasIDH-mutant gliomasObserved associationsGlioma developmentSomatic mutationsDriver genesAssociationRs55705857RNA sequencingMolecular mechanismsSpecific associationMYC promoter
2014
NGLY1 mutation causes neuromotor impairment, intellectual disability, and neuropathy
Caglayan AO, Comu S, Baranoski JF, Parman Y, Kaymakçalan H, Akgumus GT, Caglar C, Dolen D, Erson-Omay EZ, Harmanci AS, Mishra-Gorur K, Freeze HH, Yasuno K, Bilguvar K, Gunel M. NGLY1 mutation causes neuromotor impairment, intellectual disability, and neuropathy. European Journal Of Medical Genetics 2014, 58: 39-43. PMID: 25220016, PMCID: PMC4804755, DOI: 10.1016/j.ejmg.2014.08.008.Peer-Reviewed Original ResearchConceptsN-glycanase 1Proteasome-mediated degradationConserved enzymeFrame-shift mutationApparent intellectual disabilityBase pair deletionNeuromotor impairmentNovel homozygous frame-shift mutationHomozygous frame-shift mutationNeuronal cellsPair deletionAmyotrophic lateral sclerosisIntellectual disabilityMutationsProteinNeurological functionCorneal opacityNeurologic diseaseLateral sclerosisParkinson's diseaseProgressive lossDiseaseCytoplasmImpairmentDeletionBrain Malformations Associated With Knobloch Syndrome—Review of Literature, Expanding Clinical Spectrum, and Identification of Novel Mutations
Caglayan AO, Baranoski JF, Aktar F, Han W, Tuysuz B, Guzel A, Guclu B, Kaymakcalan H, Aktekin B, Akgumus GT, Murray PB, Erson-Omay EZ, Caglar C, Bakircioglu M, Sakalar YB, Guzel E, Demir N, Tuncer O, Senturk S, Ekici B, Minja FJ, Šestan N, Yasuno K, Bilguvar K, Caksen H, Gunel M. Brain Malformations Associated With Knobloch Syndrome—Review of Literature, Expanding Clinical Spectrum, and Identification of Novel Mutations. Pediatric Neurology 2014, 51: 806-813.e8. PMID: 25456301, PMCID: PMC5056964, DOI: 10.1016/j.pediatrneurol.2014.08.025.Peer-Reviewed Original ResearchConceptsBrain malformationsKnobloch syndromeCentral nervous system malformationsExpanding Clinical SpectrumStructural brain abnormalitiesStructural brain malformationsNervous system malformationsHuman cerebral cortexHuman cortical developmentWhole-exome sequencingConfirmatory Sanger sequencingCase seriesClinical presentationCerebral cortexClinical spectrumBrain abnormalitiesOcular abnormalitiesSystem malformationsClinical utilityCortical developmentImmunohistochemical analysisRare diseaseCOL18A1 mutationsBrain developmentPatients