2016
AMPK promotes tolerance to Ras pathway inhibition by activating autophagy
Sanduja S, Feng Y, Mathis RA, Sokol ES, Reinhardt F, Halaban R, Gupta PB. AMPK promotes tolerance to Ras pathway inhibition by activating autophagy. Oncogene 2016, 35: 5295-5303. PMID: 27041569, PMCID: PMC6086350, DOI: 10.1038/onc.2016.70.Peer-Reviewed Original ResearchConceptsCellular energy sensor AMPEnergy sensor AMPPathway inhibitorTargeted inhibitorsRas-Raf pathwayDrug-tolerant cellsPathway inhibitionOncogenic RasProtein kinaseRaf signalingRas pathway inhibitionReduced growthAMPKAutophagyPathway mutationsCancer cellsResistant cellsKey mechanismPathwayInhibitorsCellsToleranceKinaseSignalingInhibition
2015
PDK1 and SGK3 Contribute to the Growth of BRAF-Mutant Melanomas and Are Potential Therapeutic Targets
Scortegagna M, Lau E, Zhang T, Feng Y, Sereduk C, Yin H, De SK, Meeth K, Platt JT, Langdon CG, Halaban R, Pellecchia M, Davies MA, Brown K, Stern DF, Bosenberg M, Ronai ZA. PDK1 and SGK3 Contribute to the Growth of BRAF-Mutant Melanomas and Are Potential Therapeutic Targets. Cancer Research 2015, 75: 1399-1412. PMID: 25712345, PMCID: PMC4383687, DOI: 10.1158/0008-5472.can-14-2785.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzoatesBridged Bicyclo Compounds, HeterocyclicCell Line, TumorDrug Screening Assays, AntitumorG1 Phase Cell Cycle CheckpointsHumansImmediate-Early ProteinsIndazolesLymphatic MetastasisMelanomaMice, KnockoutMolecular Targeted TherapyProtein Kinase InhibitorsProtein Serine-Threonine KinasesProto-Oncogene Proteins B-rafPyrimidinesPyruvate Dehydrogenase Acetyl-Transferring KinaseSkinSkin NeoplasmsConceptsPDK1 inhibitionAGC kinase familySynthetic lethal screenCell cycle arrestPhase cell cycle arrestPigmentation genesPDK1 activityG1 phase cell cycle arrestSuppress melanoma growthKinase familyTherapeutic targetMelanoma growthPDK1PTEN genotypePI3KMelanoma developmentPotential therapeutic targetK inhibitionPharmacologic inhibitionDevelopment of melanomaPan-PI3K inhibitionBRAF-mutant melanomaSGK3GenesMelanoma cells
2014
RAC1 and Melanoma
Halaban R. RAC1 and Melanoma. Clinical Therapeutics 2014, 37: 682-685. PMID: 25465943, PMCID: PMC4415501, DOI: 10.1016/j.clinthera.2014.10.027.Peer-Reviewed Original ResearchIdentification of PLX4032‐resistance mechanisms and implications for novel RAF inhibitors
Choi J, Landrette SF, Wang T, Evans P, Bacchiocchi A, Bjornson R, Cheng E, Stiegler AL, Gathiaka S, Acevedo O, Boggon TJ, Krauthammer M, Halaban R, Xu T. Identification of PLX4032‐resistance mechanisms and implications for novel RAF inhibitors. Pigment Cell & Melanoma Research 2014, 27: 253-262. PMID: 24283590, PMCID: PMC4065135, DOI: 10.1111/pcmr.12197.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceCell Line, TumorCell ProliferationDNA Transposable ElementsDrug Resistance, NeoplasmHumansIndolesMAP Kinase Signaling SystemMelanomaModels, MolecularMolecular Sequence DataMutagenesis, InsertionalMutant ProteinsMutationProtein Kinase InhibitorsProto-Oncogene Proteins B-rafSulfonamidesVemurafenibConceptsBRAF mutationsNovel BRAF mutationBRAF inhibitorsNext-generation BRAF inhibitorsPLX4032-resistant melanoma cellsMelanoma cellsMelanoma patient survivalHuman prostate cancerBRAF mutant cellsWhole-exome sequencingMelanoma patientsPatient survivalClinical trialsProstate cancerRAF inhibitorsOncogenic mutationsNew screening approachRelevant aberrationsInhibitorsCellsMutationsScreening approachNovel RAF inhibitorsPatientsPLX8394
2010
Incidence of the V600K mutation among melanoma patients with BRAF mutations, and potential therapeutic response to the specific BRAF inhibitor PLX4032
Rubinstein JC, Sznol M, Pavlick AC, Ariyan S, Cheng E, Bacchiocchi A, Kluger HM, Narayan D, Halaban R. Incidence of the V600K mutation among melanoma patients with BRAF mutations, and potential therapeutic response to the specific BRAF inhibitor PLX4032. Journal Of Translational Medicine 2010, 8: 67. PMID: 20630094, PMCID: PMC2917408, DOI: 10.1186/1479-5876-8-67.Peer-Reviewed Original ResearchConceptsV600K mutationsClinical trialsBRAF V600E/K mutationK mutationPotential therapeutic responseMutant BRAF inhibitorsBRAF inhibitor PLX4032BRAF V600K mutationMelanoma patientsTherapeutic responseBRAF mutationsPatientsV600E mutationInhibitor PLX4032BRAF kinasePLX4032TrialsCommon mutationsMutationsMelanomaIncidencePLX4032, a selective BRAFV600E kinase inhibitor, activates the ERK pathway and enhances cell migration and proliferation of BRAFWT melanoma cells
Halaban R, Zhang W, Bacchiocchi A, Cheng E, Parisi F, Ariyan S, Krauthammer M, McCusker JP, Kluger Y, Sznol M. PLX4032, a selective BRAFV600E kinase inhibitor, activates the ERK pathway and enhances cell migration and proliferation of BRAFWT melanoma cells. Pigment Cell & Melanoma Research 2010, 23: 190-200. PMID: 20149136, PMCID: PMC2848976, DOI: 10.1111/j.1755-148x.2010.00685.x.Peer-Reviewed Original ResearchConceptsMelanoma cellsTumor cellsMelanoma tumor cellsPrimary melanoma cellsMetastatic tumor cellsStatus of mutationsClinical responseRate of proliferationAdvanced lesionsInhibitor PLX4032Kinase inhibitorsPLX4032ERK pathwayCell migrationNRASDownstream effectorsCell adherenceERK1/2CellsProliferationCell cycle controlMobility of cellsActive ERK1/2Therapy