2018
Inhibition of isoprenylation synergizes with MAPK blockade to prevent growth in treatment‐resistant melanoma, colorectal, and lung cancer
Theodosakis N, Langdon CG, Micevic G, Krykbaeva I, Means RE, Stern DF, Bosenberg MW. Inhibition of isoprenylation synergizes with MAPK blockade to prevent growth in treatment‐resistant melanoma, colorectal, and lung cancer. Pigment Cell & Melanoma Research 2018, 32: 292-302. PMID: 30281931, PMCID: PMC6590911, DOI: 10.1111/pcmr.12742.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Line, TumorCell ProliferationColorectal NeoplasmsDrug Resistance, NeoplasmDrug SynergismHumansHydroxymethylglutaryl-CoA Reductase InhibitorsLung NeoplasmsMaleMelanomaMevalonic AcidMice, NudeMitogen-Activated Protein KinasesPrenylationProtein Kinase InhibitorsProtein Processing, Post-TranslationalSignal TransductionConceptsUseful adjunctive therapyHMG-CoA reductase inhibitorsAnti-tumor effectsAdjunctive therapyInhibition of isoprenylationLung cancerMEK inhibitionReductase inhibitorsMAPK blockadeDriver mutationsAdditional studiesStatinsTherapyMelanomaTumorsVemurafenibMAPK pathwayDownstream metabolitesInhibitionMAPKAdjunctiveColorectalSelumetinibBlockadeCancer
2017
p90RSK Blockade Inhibits Dual BRAF and MEK Inhibitor-Resistant Melanoma by Targeting Protein Synthesis
Theodosakis N, Micevic G, Langdon CG, Ventura A, Means R, Stern DF, Bosenberg MW. p90RSK Blockade Inhibits Dual BRAF and MEK Inhibitor-Resistant Melanoma by Targeting Protein Synthesis. Journal Of Investigative Dermatology 2017, 137: 2187-2196. PMID: 28599981, PMCID: PMC6342201, DOI: 10.1016/j.jid.2016.12.033.Peer-Reviewed Original ResearchConceptsProtein synthesisRibosomal S6 kinase (RSK) familyPatient-derived melanoma cell linesDifferential protein expressionReverse phase protein arrayPhase protein arrayTranslation complexesKinase familyBI-D1870RSK inhibitorsMelanoma cell linesProtein arraysCell proliferationInhibitor treatmentProtein expressionCell linesNew targetsHuman melanoma patientsBRAF inhibitor vemurafenib
2016
DNMT3b Modulates Melanoma Growth by Controlling Levels of mTORC2 Component RICTOR
Micevic G, Muthusamy V, Damsky W, Theodosakis N, Liu X, Meeth K, Wingrove E, Santhanakrishnan M, Bosenberg M. DNMT3b Modulates Melanoma Growth by Controlling Levels of mTORC2 Component RICTOR. Cell Reports 2016, 14: 2180-2192. PMID: 26923591, PMCID: PMC4785087, DOI: 10.1016/j.celrep.2016.02.010.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarrier ProteinsCell Line, TumorCell ProliferationDNA (Cytosine-5-)-MethyltransferasesDNA MethylationDown-RegulationGene Expression Regulation, NeoplasticHumansMechanistic Target of Rapamycin Complex 2Melanoma, ExperimentalMice, 129 StrainMice, Inbred C57BLMice, NudeMicroRNAsMultiprotein ComplexesNeoplasm TransplantationProportional Hazards ModelsRapamycin-Insensitive Companion of mTOR ProteinRNA InterferenceSkin NeoplasmsTOR Serine-Threonine KinasesTumor BurdenConceptsMelanoma formationPotential therapeutic targetMiR-196b expressionMouse melanoma modelPro-tumorigenic roleMTORC2 component RictorMelanoma growthTherapeutic targetMelanoma modelLoss of RictorHuman melanomaCancer typesTumor cellsMelanomaSpecific signaling pathwaysMTORC2 signalingSignaling pathwaysTurn preventsMiR-196b promoterDNA methyltransferase DNMT3BRictorControlling LevelsDNMT3BMethyltransferase DNMT3BCancer
2015
mTORC1 Activation Blocks Braf V600E -Induced Growth Arrest but Is Insufficient for Melanoma Formation
Damsky W, Micevic G, Meeth K, Muthusamy V, Curley DP, Santhanakrishnan M, Erdelyi I, Platt JT, Huang L, Theodosakis N, Zaidi MR, Tighe S, Davies MA, Dankort D, McMahon M, Merlino G, Bardeesy N, Bosenberg M. mTORC1 Activation Blocks Braf V600E -Induced Growth Arrest but Is Insufficient for Melanoma Formation. Cancer Cell 2015, 27: 41-56. PMID: 25584893, PMCID: PMC4295062, DOI: 10.1016/j.ccell.2014.11.014.Peer-Reviewed Original ResearchMeSH KeywordsAMP-Activated Protein KinasesAnimalsCell Line, TumorCell ProliferationCyclin-Dependent Kinase Inhibitor p16HumansMechanistic Target of Rapamycin Complex 1Mechanistic Target of Rapamycin Complex 2MelanocytesMelanoma, ExperimentalMiceMicroRNAsMolecular Sequence DataMultiprotein ComplexesMutationNevusProtein Serine-Threonine KinasesProto-Oncogene Proteins B-rafSignal TransductionSkin NeoplasmsTOR Serine-Threonine KinasesConceptsMelanoma formationGrowth arrestStable growth arrestMTORC2/AktSTK11 lossCDKN2A lossAkt activationIGF1R signalingMice resultsActivationArrestMTORC2Nevus developmentMTORC1/2SignalingAktMelanocytic nevus developmentMelanomagenesisMTORProgressionCDKN2AMelanocytesInactivationUpregulationComplete progression