2018
DNA Methylation Patterns Separate Senescence from Transformation Potential and Indicate Cancer Risk
Xie W, Kagiampakis I, Pan L, Zhang YW, Murphy L, Tao Y, Kong X, Kang B, Xia L, Carvalho FLF, Sen S, Yen R, Zahnow CA, Ahuja N, Baylin SB, Easwaran H. DNA Methylation Patterns Separate Senescence from Transformation Potential and Indicate Cancer Risk. Cancer Cell 2018, 33: 309-321.e5. PMID: 29438699, PMCID: PMC5813821, DOI: 10.1016/j.ccell.2018.01.008.Peer-Reviewed Original ResearchConceptsDevelopmental genesDNA methylation patternsPromoter hypermethylation eventsEpigenetic patternsMethylation gainMethylation patternsMethylation changesHypermethylation eventsEpigenetic changesTissue agingSenescenceMetabolic regulatorTissue typesGenesTransformation potentialCellsHypermethylationRegulatorCancer risk
2016
DNA methylation changes in extracellular remodeling pathway genes during the transformation of human mesenchymal stem cells
Kim T, Park S, Kim H, Ahuja N, Yi J. DNA methylation changes in extracellular remodeling pathway genes during the transformation of human mesenchymal stem cells. Genes & Genomics 2016, 38: 611-617. DOI: 10.1007/s13258-016-0402-x.Peer-Reviewed Original ResearchTranscriptional silencingPathway genesECM genesMesenchymal compartmentStem cell model systemPromoter DNA hypermethylationPromoter hypermethylationDNA methylation changesGene expression profile dataEssential structural componentKey cellular eventsExpression profile dataImportant functional roleExtracellular matrix moleculesColon cancer cell linesCell model systemHuman mesenchymal stem cellsMethylation patternsMethylation changesTranscription-polymerase chain reaction analysisDNA hypermethylationEpigenetic alterationsReverse transcription-polymerase chain reaction analysisHuman malignancesCellular events
2008
Abnormal DNA Methylation of CD133 in Colorectal and Glioblastoma Tumors
Yi JM, Tsai HC, Glöckner S, Lin S, Ohm JE, Easwaran H, James CD, Costello JF, Riggins G, Eberhart CG, Laterra J, Vescovi AL, Ahuja N, Herman JG, Schuebel KE, Baylin SB. Abnormal DNA Methylation of CD133 in Colorectal and Glioblastoma Tumors. Cancer Research 2008, 68: 8094-8103. PMID: 18829568, PMCID: PMC2744404, DOI: 10.1158/0008-5472.can-07-6208.Peer-Reviewed Original ResearchMeSH KeywordsAC133 AntigenAnimalsAntigens, CDAntineoplastic AgentsAzacitidineBrain NeoplasmsCaco-2 CellsCarcinomaColorectal NeoplasmsDecitabineDNA (Cytosine-5-)-MethyltransferasesDNA MethylationFemaleGene DeletionGene Expression Regulation, NeoplasticGlioblastomaGlycoproteinsHCT116 CellsHT29 CellsHumansMiceMice, NudePeptidesTumor Cells, CulturedXenograft Model Antitumor AssaysConceptsDNA methylationMethylation patternsPromoter DNA methylation patternsHistone modification marksDNA methylation patternsDNA methylation changesDNA methylation statusPromoter CpG islandsAberrant DNA methylationAbnormal DNA methylationCultured colon cancerStem-like cell populationTranscription stateModification marksPromoter signaturesCpG islandsSuch methylationIndividual cell linesMethylation changesAberrant genesDifferentiated progenyMethylationMarker proteinsMethylation statusGenes
2001
Accelerated age-related CpG island methylation in ulcerative colitis.
Issa JP, Ahuja N, Toyota M, Bronner MP, Brentnall TA. Accelerated age-related CpG island methylation in ulcerative colitis. Cancer Research 2001, 61: 3573-7. PMID: 11325821.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAdultAge FactorsAgedCarrier ProteinsChondroitin Sulfate ProteoglycansColitis, UlcerativeColonic NeoplasmsCpG IslandsDNA MethylationGenes, p16HumansIntestinal MucosaLectins, C-TypeMiddle AgedMutL Protein Homolog 1MyoD ProteinNeoplasm ProteinsNuclear ProteinsPrecancerous ConditionsReceptors, EstrogenVersicansConceptsMechanism of geneP16 exon 1Exon 1CpG island hypermethylationCpG island methylationMethylation marksMethylation patternsUndesirable genesColorectal epithelial cellsIsland hypermethylationIsland methylationGenesMethylationPremature agingMyoDColon cancerHigh-grade dysplasiaEpithelial cellsCell turnoverHypermethylationNon-UC controlsNormal appearing epitheliumUlcerative colitisHigh levelsCSPG2
1997
Association between CpG island methylation and microsatellite instability in colorectal cancer.
Ahuja N, Mohan AL, Li Q, Stolker JM, Herman JG, Hamilton SR, Baylin SB, Issa JP. Association between CpG island methylation and microsatellite instability in colorectal cancer. Cancer Research 1997, 57: 3370-4. PMID: 9269998.Peer-Reviewed Original ResearchConceptsDe novo methylationNovo methylationPromoter region CpG islandsThrombospondin-1 genesCpG island methylationDeficient DNA repairCancer 1 geneMethylation patternsTranscriptional inactivationCpG islandsDNA repairImportant genesHypermethylation eventsColorectal cancerGenetic instabilityExtensive methylationIsland methylationGenesMethylationAberrant methylationRepair genesInsulin-like growth factor IIPromoter hypermethylationMicrosatellite instabilityGrowth factor II