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
2022
Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations
Fadel SA, von Reppert M, Kazarian E, Omay EZE, Marks A, Linder N, Hoffmann KT, Darbinyan A, Huttner A, Aboian MS. Spectrum of qualitative and quantitative imaging of pilomyxoid, intermediate pilomyxoid and pilocytic astrocytomas in relation to their genetic alterations. Neuroradiology 2022, 65: 195-205. PMID: 35984480, DOI: 10.1007/s00234-022-03027-3.Peer-Reviewed Original ResearchConceptsPilocytic astrocytomaImaging characteristicsADC valuesAggressive imaging characteristicsSuprasellar pilocytic astrocytomaRecurrence/progressionPediatric brain tumorsFrontal white matterWhole-exome sequencingPilomyxoid astrocytomaIntraventricular extensionSuprasellar regionThird ventriclePosterior fossaAtypical locationBrain tumorsWhite matterGrade 1TumorsAstrocytomasDriver mutationsExome sequencingGenetic alterationsPatientsHippocampus
2020
METAP1 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
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 rolesMutations
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 lossDiseaseCytoplasmImpairmentDeletion