2021
Single-cell multimodal glioma analyses identify epigenetic regulators of cellular plasticity and environmental stress response
Johnson K, Anderson K, Courtois E, Gujar A, Barthel F, Varn F, Luo D, Seignon M, Yi E, Kim H, Estecio M, Zhao D, Tang M, Navin N, Maurya R, Ngan C, Verburg N, de Witt Hamer P, Bulsara K, Samuels M, Das S, Robson P, Verhaak R. Single-cell multimodal glioma analyses identify epigenetic regulators of cellular plasticity and environmental stress response. Nature Genetics 2021, 53: 1456-1468. PMID: 34594038, PMCID: PMC8570135, DOI: 10.1038/s41588-021-00926-8.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsCell PlasticityClonal EvolutionDNA Copy Number VariationsDNA MethylationEpigenesis, GeneticGene Expression Regulation, NeoplasticGenetic HeterogeneityGenome, HumanGliomaHumansMutationPhylogenyPromoter Regions, GeneticSingle-Cell AnalysisStress, PhysiologicalTumor MicroenvironmentConceptsDNA methylation disorderEnvironmental stress responsesMethylation disordersEnvironmental stress response pathwaysStress responseStress response processesStress response pathwaysSingle-cell transcriptomesDNA methylation changesDNA methylation differencesDNA methylation dataMulti-omics profilesDNA methylomeTranscriptional disruptionEpigenetic instabilityEpigenetic heterogeneityEpigenetic regulatorsResponse pathwaysCellular plasticityMethylation changesMethylation differencesCell statesMethylation dataIrradiation stressWild-type gliomasSpatial concordance of DNA methylation classification in diffuse glioma
Verburg N, Barthel F, Anderson K, Johnson K, Koopman T, Yaqub M, Hoekstra O, Lammertsma A, Barkhof F, Pouwels P, Reijneveld J, Rozemuller A, Beliën J, Boellaard R, Taylor M, Das S, Costello J, Vandertop W, Wesseling P, de Witt Hamer P, Verhaak R. Spatial concordance of DNA methylation classification in diffuse glioma. Neuro-Oncology 2021, 23: 2054-2065. PMID: 34049406, PMCID: PMC8643482, DOI: 10.1093/neuonc/noab134.Peer-Reviewed Original Research
2019
Genome-wide characterization of cytosine-specific 5-hydroxymethylation in normal breast tissue
Wilkins O, Johnson K, Houseman E, King J, Marsit C, Christensen B. Genome-wide characterization of cytosine-specific 5-hydroxymethylation in normal breast tissue. Epigenetics 2019, 15: 398-418. PMID: 31842685, PMCID: PMC7153548, DOI: 10.1080/15592294.2019.1695332.Peer-Reviewed Original ResearchConceptsGenome-wide characterizationGenome-wide patternsGenome-wide mapsGene regulatory programsActive chromatinGenomic lociGene regulationTranscriptional inactivityRegulatory regionsGene regionMammalian tissuesRegulatory programsCpG lociDNA treatmentImmune cell functionCell functionLociLactate oxidationNormal breast tissueIndependent data setsPre-invasive breast cancerRecent evidenceHeterochromatinChromatinBisulfite
2016
5-Hydroxymethylcytosine localizes to enhancer elements and is associated with survival in glioblastoma patients
Johnson K, Houseman E, King J, von Herrmann K, Fadul C, Christensen B. 5-Hydroxymethylcytosine localizes to enhancer elements and is associated with survival in glioblastoma patients. Nature Communications 2016, 7: 13177. PMID: 27886174, PMCID: PMC5133638, DOI: 10.1038/ncomms13177.Peer-Reviewed Original ResearchMeSH Keywords5-MethylcytosineAdultAgedAged, 80 and overBrain NeoplasmsDNA MethylationDNA, NeoplasmEnhancer Elements, GeneticFemaleGene Expression Regulation, NeoplasticGene Regulatory NetworksGlioblastomaHumansIsocitrate DehydrogenaseMaleMiddle AgedPrefrontal CortexSurvival AnalysisTranscription FactorsConceptsRNA regulatory processesTissue-specific transcriptionDisease critical genesMethylation array dataGenomic distributionGenomic localizationCell maintenanceOxidative bisulfite (oxBS) treatmentTranscription factorsEnhancer elementsPrefrontal cortex tissueBisulfite treatmentCellular proliferationRegulatory processesTranscriptionArray dataMolecular alterationsCortex tissueEpigenomeGlioblastomaImmune functionGenesDNARegulationAnnotationOxyBS: estimation of 5-methylcytosine and 5-hydroxymethylcytosine from tandem-treated oxidative bisulfite and bisulfite DNA
Houseman E, Johnson K, Christensen B. OxyBS: estimation of 5-methylcytosine and 5-hydroxymethylcytosine from tandem-treated oxidative bisulfite and bisulfite DNA. Bioinformatics 2016, 32: 2505-2507. PMID: 27153596, PMCID: PMC4978924, DOI: 10.1093/bioinformatics/btw158.Peer-Reviewed Original Research
2014
Genome-wide DNA methylation profiles in progression to in situand invasive carcinoma of the breast with impact on gene transcription and prognosis
Fleischer T, Frigessi A, Johnson K, Edvardsen H, Touleimat N, Klajic J, Riis M, Haakensen V, Wärnberg F, Naume B, Helland Å, Børresen-Dale A, Tost J, Christensen B, Kristensen V. Genome-wide DNA methylation profiles in progression to in situand invasive carcinoma of the breast with impact on gene transcription and prognosis. Genome Biology 2014, 15: 435. PMID: 25146004, PMCID: PMC4165906, DOI: 10.1186/s13059-014-0435-x.Peer-Reviewed Original ResearchConceptsGenome-wide DNA methylation profilesDNA methylation profilesMethylation profilesInvasive breast carcinomaProgression of cancerBreast carcinomaDNA methylation alterationsPrognostic signatureDNA methylation-based markersCancer Genome AtlasDNA methylationGene transcriptionMethylation changesMethylation-based markersEpigenetic changesMethylation alterationsSurvival of patientsGene expressionBreast cancer patientsMethylation levelsNormal breast tissueBreast cancer samplesClinical decision makingGenesGenome Atlas
2013
Age-related DNA methylation in normal breast tissue and its relationship with invasive breast tumor methylation
Johnson K, Koestler D, Cheng C, Christensen B. Age-related DNA methylation in normal breast tissue and its relationship with invasive breast tumor methylation. Epigenetics 2013, 9: 268-275. PMID: 24196486, PMCID: PMC3962537, DOI: 10.4161/epi.27015.Peer-Reviewed Original Research