2017
Hypomethylating agents synergize with irinotecan to improve response to chemotherapy in colorectal cancer cells
Sharma A, Vatapalli R, Abdelfatah E, McMahon K, Kerner Z, Guzzetta A, Singh J, Zahnow C, Baylin S, Yerram S, Hu Y, Azad N, Ahuja N. Hypomethylating agents synergize with irinotecan to improve response to chemotherapy in colorectal cancer cells. PLOS ONE 2017, 12: e0176139. PMID: 28445481, PMCID: PMC5405959, DOI: 10.1371/journal.pone.0176139.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsATP-Binding Cassette TransportersAzacitidineCaco-2 CellsCamptothecinCell AdhesionCell Line, TumorCell ProliferationColorectal NeoplasmsDNA MethylationDNA RepairGene ExpressionGene Expression ProfilingHCT116 CellsHumansIrinotecanLong Interspersed Nucleotide ElementsMiceMice, Inbred NODMice, SCIDConceptsCRC cell linesColorectal cancerMultiple CRC cell linesPhase 1/2 clinical trialCell linesMetastatic colorectal cancerMajority of patientsNOD-SCID miceColorectal cancer cellsSoft agar assayInitial therapyMetastatic settingCytotoxic chemotherapyCRC treatmentClinical efficacyCancer deathTumor regressionClinical trialsDNA demethylating agentVivo xenograftsChemotherapeutic agentsCancer cellsHCT116 cell linesAgar assayChemotherapyEpigenetically altered miR-1247 functions as a tumor suppressor in pancreatic cancer
Yi JM, Kang EJ, Kwon HM, Bae JH, Kang K, Ahuja N, Yang K. Epigenetically altered miR-1247 functions as a tumor suppressor in pancreatic cancer. Oncotarget 2017, 5: 26600-26612. PMID: 28460450, PMCID: PMC5432282, DOI: 10.18632/oncotarget.15722.Peer-Reviewed Original ResearchConceptsCpG island hypermethylationTumor suppressorEctopic expressionPancreatic cancer cellsIsland hypermethylationPancreatic cancer cell linesHuman cancersPutative target genesCancer cell linesNumber of miRNAsChromosome condensation 2Role of miRNAsCell linesMolecular functional roleCancer cellsCpG island methylationPotential tumor suppressorTarget genesEpigenetic alterationsGene expressionMalignant human cancersIsland methylationDirect targetLuciferase reporterFunctional role
2013
Novel Methylation Biomarker Panel for the Early Detection of Pancreatic Cancer
Yi JM, Guzzetta AA, Bailey VJ, Downing SR, Van Neste L, Chiappinelli KB, Keeley BP, Stark A, Herrera A, Wolfgang C, Pappou EP, Iacobuzio-Donahue CA, Goggins MG, Herman JG, Wang TH, Baylin SB, Ahuja N. Novel Methylation Biomarker Panel for the Early Detection of Pancreatic Cancer. Clinical Cancer Research 2013, 19: 6544-6555. PMID: 24088737, PMCID: PMC4310572, DOI: 10.1158/1078-0432.ccr-12-3224.Peer-Reviewed Original ResearchADAM ProteinsADAMTS1 ProteinBiomarkers, TumorCarcinoma in SituCell Line, TumorCell MovementCell ProliferationCpG IslandsDNADNA MethylationDNA-Binding ProteinsEarly Detection of CancerEpigenesis, GeneticFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMaleMolecular Diagnostic TechniquesPancreatic NeoplasmsPromoter Regions, GeneticProportional Hazards ModelsSensitivity and SpecificitySequence Analysis, DNATranscription FactorsTranscriptomeFrequent Inactivation of Cysteine Dioxygenase Type 1 Contributes to Survival of Breast Cancer Cells and Resistance to Anthracyclines
Jeschke J, O'Hagan HM, Zhang W, Vatapalli R, Calmon MF, Danilova L, Nelkenbrecher C, Van Neste L, Bijsmans IT, Van Engeland M, Gabrielson E, Schuebel KE, Winterpacht A, Baylin SB, Herman JG, Ahuja N. Frequent Inactivation of Cysteine Dioxygenase Type 1 Contributes to Survival of Breast Cancer Cells and Resistance to Anthracyclines. Clinical Cancer Research 2013, 19: 3201-3211. PMID: 23630167, PMCID: PMC3985391, DOI: 10.1158/1078-0432.ccr-12-3751.Peer-Reviewed Original ResearchConceptsBreast cancer cellsEpigenetic eventsDNA methylationGenome-wide DNA methylation analysisCancer cellsDNA methylation-associated silencingKey epigenetic eventsDetoxification of ROSCritical epigenetic eventsComprehensive functional analysisDNA methylation analysisDNA methylation dataMethylation-associated silencingRepressive chromatinOxygen species productionFunctional analysisMethylation dataLevels of ROSMethylation analysisReduced viabilityMissense mutationsFunctional significanceFrequent inactivationSpecies productionMethylation