Featured Publications
Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis
Erson-Omay EZ, Çağlayan AO, Schultz N, Weinhold N, Omay SB, Özduman K, Köksal Y, Li J, Serin Harmancı A, Clark V, Carrión-Grant G, Baranoski J, Çağlar C, Barak T, Coşkun S, Baran B, Köse D, Sun J, Bakırcıoğlu M, Moliterno Günel J, Pamir MN, Mishra-Gorur K, Bilguvar K, Yasuno K, Vortmeyer A, Huttner AJ, Sander C, Günel M. Somatic POLE mutations cause an ultramutated giant cell high-grade glioma subtype with better prognosis. Neuro-Oncology 2015, 17: 1356-1364. PMID: 25740784, PMCID: PMC4578578, DOI: 10.1093/neuonc/nov027.Peer-Reviewed Original ResearchConceptsHigh-grade gliomasSomatic POLE mutationsPOLE mutationsMalignant high-grade gliomasLonger progression-free survivalProgression-free survivalSomatic mutationsOverall survivalPediatric patientsBetter prognosisClinical featuresImproved prognosisClinical behaviorImmune cellsBizarre cellsAggressive formGlioblastoma multiformeDisease pathophysiologyMolecular subgroupsHomozygous germline mutationGermline mutationsPrognosisGlioma subtypesComprehensive genomic analysisDistinct subgroups
2023
Application of novel PACS-based informatics platform to identify imaging based predictors of CDKN2A allelic status in glioblastomas
Tillmanns N, Lost J, Tabor J, Vasandani S, Vetsa S, Marianayagam N, Yalcin K, Erson-Omay E, von Reppert M, Jekel L, Merkaj S, Ramakrishnan D, Avesta A, de Oliveira Santo I, Jin L, Huttner A, Bousabarah K, Ikuta I, Lin M, Aneja S, Turowski B, Aboian M, Moliterno J. Application of novel PACS-based informatics platform to identify imaging based predictors of CDKN2A allelic status in glioblastomas. Scientific Reports 2023, 13: 22942. PMID: 38135704, PMCID: PMC10746716, DOI: 10.1038/s41598-023-48918-4.Peer-Reviewed Original ResearchConceptsInformatics platformDeep learning algorithmsImaging featuresCDKN2A alterationsLearning algorithmHeterozygous lossHomozygous deletionLarge datasetsDeep white matter invasionGBM molecular subtypesNew informaticsQualitative imaging biomarkersWhole-exome sequencingQualitative imaging featuresGBM resectionRadiographic evidenceWorse prognosisPACSMolecular subtypesPial invasionImaging biomarkersCDKN2A mutationsAllele statusNoninvasive identificationMagnetic resonance images
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
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
IDH-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
2015
Integrated genomic characterization of IDH1-mutant glioma malignant progression
Bai H, Harmancı AS, Erson-Omay EZ, Li J, Coşkun S, Simon M, Krischek B, Özduman K, Omay SB, Sorensen EA, Turcan Ş, Bakırcığlu M, Carrión-Grant G, Murray PB, Clark VE, Ercan-Sencicek AG, Knight J, Sencar L, Altınok S, Kaulen LD, Gülez B, Timmer M, Schramm J, Mishra-Gorur K, Henegariu O, Moliterno J, Louvi A, Chan TA, Tannheimer SL, Pamir MN, Vortmeyer AO, Bilguvar K, Yasuno K, Günel M. Integrated genomic characterization of IDH1-mutant glioma malignant progression. Nature Genetics 2015, 48: 59-66. PMID: 26618343, PMCID: PMC4829945, DOI: 10.1038/ng.3457.Peer-Reviewed Original ResearchConceptsDevelopmental transcription factorsActivation of MYCMalignant progressionGenomic approachesPI3K pathwayGlioma malignant progressionEpigenetic silencingIDH1 mutant gliomasTranscription factorsIntegrated genomic characterizationGenomic characterizationRTK-RASOncogenic pathwaysK pathwayClonal expansionPathwaySilencingMYCProgression