2015
Downregulation of the Ubiquitin Ligase RNF125 Underlies Resistance of Melanoma Cells to BRAF Inhibitors via JAK1 Deregulation
Kim H, Frederick DT, Levesque MP, Cooper ZA, Feng Y, Krepler C, Brill L, Samuels Y, Hayward NK, Perlina A, Piris A, Zhang T, Halaban R, Herlyn MM, Brown KM, Wargo JA, Dummer R, Flaherty KT, Ronai Z. Downregulation of the Ubiquitin Ligase RNF125 Underlies Resistance of Melanoma Cells to BRAF Inhibitors via JAK1 Deregulation. Cell Reports 2015, 11: 1458-1473. PMID: 26027934, PMCID: PMC4681438, DOI: 10.1016/j.celrep.2015.04.049.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Line, TumorChromatography, LiquidDown-RegulationDrug Resistance, NeoplasmEnzyme InhibitorsFemaleHeterograftsHumansImmunoblottingImmunohistochemistryImmunoprecipitationJanus Kinase 1Mass SpectrometryMelanomaMiceMice, NudeProto-Oncogene Proteins B-rafRNA, Small InterferingTransfectionUbiquitin-Protein LigasesConceptsBRAF inhibitorsRTK expressionReceptor tyrosine kinasesRemarkable clinical responsesBRAFi-resistant melanomasInhibition of JAK1BRAFi-resistant tumorsClinical responseCombination therapyMost tumorsBRAF mutationsTumor specimensVivo xenograftsBRAFi resistanceMelanoma cellsElevated expressionMelanomaEGFRAdaptive resistanceTumorsRNF125MITF expressionTyrosine kinaseJAK1Downregulation
2010
Genome-wide methylation and expression profiling identifies promoter characteristics affecting demethylation-induced gene up-regulation in melanoma
Rubinstein JC, Tran N, Ma S, Halaban R, Krauthammer M. Genome-wide methylation and expression profiling identifies promoter characteristics affecting demethylation-induced gene up-regulation in melanoma. BMC Medical Genomics 2010, 3: 4. PMID: 20144234, PMCID: PMC2843643, DOI: 10.1186/1755-8794-3-4.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntimetabolites, AntineoplasticAzacitidineCell Line, TumorCpG IslandsDecitabineDNA MethylationDNA Modification MethylasesEnzyme InhibitorsEpigenesis, GeneticFemaleGene Expression ProfilingGenome, HumanHumansMaleMelanomaMiddle AgedPromoter Regions, GeneticTumor Suppressor ProteinsUp-RegulationConceptsHigh CpG contentCpG contentGenome-wide gene expression dataMethylation levelsPromoter CpG contentUp-regulates gene expressionGenome-wide methylationGenome-wide dataLow CpG contentMelanoma cell strainsGene expression dataTumor suppressor geneCytosine analog 5Lower methylation levelsTranscriptional silencingMethylated promotersHigher methylation levelsBisulfite sequencingDNA methylationCpG methylationDNA methyltransferaseGenomic hypomethylationPromoter characteristicsSpecific genesGene expression
2002
Abnormal Acidification of Melanoma Cells Induces Tyrosinase Retention in the Early Secretory Pathway*
Halaban R, Patton RS, Cheng E, Svedine S, Trombetta ES, Wahl ML, Ariyan S, Hebert DN. Abnormal Acidification of Melanoma Cells Induces Tyrosinase Retention in the Early Secretory Pathway*. Journal Of Biological Chemistry 2002, 277: 14821-14828. PMID: 11812790, DOI: 10.1074/jbc.m111497200.Peer-Reviewed Original Research
2000
Deregulated E2f Transcriptional Activity in Autonomously Growing Melanoma Cells
Halaban R, Cheng E, Smicun Y, Germino J. Deregulated E2f Transcriptional Activity in Autonomously Growing Melanoma Cells. Journal Of Experimental Medicine 2000, 191: 1005-1016. PMID: 10727462, PMCID: PMC2193116, DOI: 10.1084/jem.191.6.1005.Peer-Reviewed Original ResearchMeSH KeywordsCarrier ProteinsCell Cycle ProteinsCell DivisionCells, CulturedCellular SenescenceCulture Media, ConditionedCyclin-Dependent KinasesCyclinsDNA-Binding ProteinsDown-RegulationDrosophila ProteinsE2F Transcription FactorsE2F1 Transcription FactorE2F2 Transcription FactorE2F3 Transcription FactorE2F4 Transcription FactorE2F5 Transcription FactorE2F6 Transcription FactorEnzyme InhibitorsFlavonoidsHumansMelanocytesMelanomaPhosphorylationPiperidinesProtein BindingRetinoblastoma-Binding Protein 1Trans-ActivatorsTranscription Factor DP1Transcription FactorsTumor Cells, CulturedConceptsExternal growth factorsE2F DNAPocket proteinsCyclin-dependent kinase 4Normal melanocytesTranscriptional activityRetinoblastoma tumor suppressor proteinMelanoma cellsMalignant human melanocytesE2F transcription factorsE2F family membersE2F transcriptional activityTumor suppressor proteinGel shift analysisCell cycle progressionForm of pRBGrowth factorContinuous high expressionE2F activityOnly family memberTranscription factorsProtein DNASuppressor proteinFamily membersMolecular basis