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
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 alterationsPatientsHippocampusAnalysis of somatic mutations in 131 human brains reveals aging-associated hypermutability
Bae T, Fasching L, Wang Y, Shin JH, Suvakov M, Jang Y, Norton S, Dias C, Mariani J, Jourdon A, Wu F, Panda A, Pattni R, Chahine Y, Yeh R, Roberts RC, Huttner A, Kleinman JE, Hyde TM, Straub RE, Walsh CA, Urban A, Leckman J, Weinberger D, Vaccarino F, Abyzov A, Walsh C, Park P, Sestan N, Weinberger D, Moran J, Gage F, Vaccarino F, Gleeson J, Mathern G, Courchesne E, Roy S, Chess A, Akbarian S, Bizzotto S, Coulter M, Dias C, D’Gama A, Ganz J, Hill R, Huang A, Khoshkhoo S, Kim S, Lee A, Lodato M, Maury E, Miller M, Borges-Monroy R, Rodin R, Zhou Z, Bohrson C, Chu C, Cortes-Ciriano I, Dou Y, Galor A, Gulhan D, Kwon M, Luquette J, Sherman M, Viswanadham V, Jones A, Rosenbluh C, Cho S, Langmead B, Thorpe J, Erwin J, Jaffe A, McConnell M, Narurkar R, Paquola A, Shin J, Straub R, Abyzov A, Bae T, Jang Y, Wang Y, Molitor C, Peters M, Linker S, Reed P, Wang M, Urban A, Zhou B, Zhu X, Pattni R, Serres Amero A, Juan D, Lobon I, Marques-Bonet T, Solis Moruno M, Garcia Perez R, Povolotskaya I, Soriano E, Antaki D, Averbuj D, Ball L, Breuss M, Yang X, Chung C, Emery S, Flasch D, Kidd J, Kopera H, Kwan K, Mills R, Moldovan J, Sun C, Zhao X, Zhou W, Frisbie T, Cherskov A, Fasching L, Jourdon A, Pochareddy S, Scuderi S. Analysis of somatic mutations in 131 human brains reveals aging-associated hypermutability. Science 2022, 377: 511-517. PMID: 35901164, PMCID: PMC9420557, DOI: 10.1126/science.abm6222.Peer-Reviewed Original ResearchConceptsTranscription factorsSomatic mutationsPutative transcription factorEnhancer-like regionSingle nucleotide mutationsWhole-genome sequencingGene regulationSomatic duplicationGenome sequencingDamaging mutationsBackground mutagenesisMutationsHypermutabilityClonal expansionMotifDiseased brainPotential linkVivo clonal expansionMutagenesisGenesDuplicationSequencingRegulation
2020
Genomic alterations in Turcot syndrome: Insights from whole exome sequencing
Karschnia P, Erson-Omay EZ, Huttner AJ, Kaulen LD, Duran D, Fulbright RK, Günel M, Baehring JM. Genomic alterations in Turcot syndrome: Insights from whole exome sequencing. Journal Of The Neurological Sciences 2020, 417: 117056. PMID: 32739502, DOI: 10.1016/j.jns.2020.117056.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
Response to the BRAF/MEK inhibitors dabrafenib/trametinib in an adolescent with a BRAF V600E mutated anaplastic ganglioglioma intolerant to vemurafenib
Marks AM, Bindra RS, DiLuna ML, Huttner A, Jairam V, Kahle KT, Kieran MW. Response to the BRAF/MEK inhibitors dabrafenib/trametinib in an adolescent with a BRAF V600E mutated anaplastic ganglioglioma intolerant to vemurafenib. Pediatric Blood & Cancer 2018, 65: e26969. PMID: 29380516, DOI: 10.1002/pbc.26969.Peer-Reviewed Original ResearchConceptsAnaplastic gangliogliomaBRAF/MEK inhibitor combinationsBRAF V600ESubsequent tumor responseDabrafenib/trametinibLarge clinical trialsSquamous cell carcinomaMEK inhibitor combinationsSignificant side effectsSignificant skin reactionsCell carcinomaCase reportSkin reactionsTumor responseClinical trialsBrain tumorsInhibitor combinationsSide effectsAdolescent femalesGangliogliomaTrametinibPrevious reactionsV600EMonotherapyRash
2017
A p190BRhoGAP mutation and prolonged RhoB activation in fatal systemic capillary leak syndrome
Pierce RW, Merola J, Lavik JP, Kluger MS, Huttner A, Khokha MK, Pober JS. A p190BRhoGAP mutation and prolonged RhoB activation in fatal systemic capillary leak syndrome. Journal Of Experimental Medicine 2017, 214: 3497-3505. PMID: 29097442, PMCID: PMC5716031, DOI: 10.1084/jem.20162143.Peer-Reviewed Original ResearchConceptsTumor necrosis factorSystemic capillary leakDermal microvascular endothelial cellsMicrovascular endothelial cellsPatient-derived endothelial cellsEndothelial cellsCapillary leakNormal human dermal microvascular endothelial cellsSystemic capillary leak syndromeBarrier functionCapillary leak syndromeHuman dermal microvascular endothelial cellsTransendothelial electrical resistanceEC barrier functionNormal endothelial cellsLeak syndromeCritical illnessFatal casesNecrosis factorBarrier recoverySiRNA knockdownEC culturesRhoB activationGreater increaseJunctional proteins
2015
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