2015
Phosphorylation of GATA-6 is required for vascular smooth muscle cell differentiation after mTORC1 inhibition
Xie Y, Jin Y, Merenick BL, Ding M, Fetalvero KM, Wagner RJ, Mai A, Gleim S, Tucker DF, Birnbaum MJ, Ballif BA, Luciano AK, Sessa WC, Rzucidlo EM, Powell RJ, Hou L, Zhao H, Hwa J, Yu J, Martin KA. Phosphorylation of GATA-6 is required for vascular smooth muscle cell differentiation after mTORC1 inhibition. Science Signaling 2015, 8: ra44. PMID: 25969542, PMCID: PMC4560350, DOI: 10.1126/scisignal.2005482.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell DifferentiationCell ProliferationGATA6 Transcription FactorHEK293 CellsHumansMechanistic Target of Rapamycin Complex 1MiceMice, KnockoutMultiprotein ComplexesMuscle ProteinsMuscle, Smooth, VascularMyocytes, Smooth MuscleProto-Oncogene Proteins c-aktTOR Serine-Threonine KinasesConceptsGATA-6Vascular smooth muscle cell differentiationSmooth muscle cell differentiationPhosphorylation-deficient mutantDifferentiation of VSMCsRapamycin complex 1Downstream transcriptional targetsTranscription factor GATA-6Muscle cell differentiationInhibition of mTORC1VSMC hyperplasiaTransactivation of promotersTranscriptional targetsVSMC differentiationNuclear accumulationInduced phosphorylationMechanistic targetReversible differentiationCell differentiationCells undergoDrug targetsInhibition of proliferationPhosphorylationWild-type miceMTORC1
2007
Regulation of vascular smooth muscle cell differentiation
Rzucidlo E, Martin K, Powell R. Regulation of vascular smooth muscle cell differentiation. Journal Of Vascular Surgery 2007, 45: a25-a32. PMID: 17544021, DOI: 10.1016/j.jvs.2007.03.001.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsVascular smooth muscle cell differentiationSmooth muscle cell differentiationMuscle cell differentiationCell differentiationPathogenesis of atherosclerosisMajor human diseasesLocal environmental cuesEnvironmental cuesContractile roleIntimal hyperplasiaDifferentiated stateVascular aneurysmsMolecular mechanismsVascular developmentPhenotypic switchingHuman diseasesVessel wallVSMCCritical roleDifferentiationEssential componentHypertensionAsthmaAtherosclerosisHyperplasia
2006
Rapamycin inhibits cell motility by suppression of mTOR-mediated S6K1 and 4E-BP1 pathways
Liu L, Li F, Cardelli J, Martin K, Blenis J, Huang S. Rapamycin inhibits cell motility by suppression of mTOR-mediated S6K1 and 4E-BP1 pathways. Oncogene 2006, 25: 7029-7040. PMID: 16715128, DOI: 10.1038/sj.onc.1209691.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAnimalsCattleCell Cycle ProteinsCell LineCell MovementCytoprotectionDown-RegulationEnzyme ActivationHumansInsulin-Like Growth Factor IMicePhosphoproteinsPhosphorylationProtein KinasesRibosomal Protein S6 Kinases, 70-kDaSerumSignal TransductionSirolimusTOR Serine-Threonine KinasesTranscription FactorsConceptsCell motilityRNA interferenceEukaryotic initiation factor 4EDownregulation of RaptorType I insulin-like growth factorMTOR kinase activityInitiation factor 4ES6 kinase 1Rapamycin inhibitionTumor cell motilityResistant mutantsSuppression of mTORP70 S6K1Kinase activityKinase 1S6K1Mammalian targetRapamycinProtein 1Effect of rapamycinConsequence of inhibitionCell linesMutantsRaptorsMotility
2003
The mTOR/p70 S6K1 pathway regulates vascular smooth muscle cell differentiation
Martin K, Rzucidlo E, Merenick B, Fingar D, Brown D, Wagner R, Powell R. The mTOR/p70 S6K1 pathway regulates vascular smooth muscle cell differentiation. American Journal Of Physiology - Cell Physiology 2003, 286: c507-c517. PMID: 14592809, DOI: 10.1152/ajpcell.00201.2003.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAorta, ThoracicBiomarkersCattleCell Cycle ProteinsCell DifferentiationCells, CulturedCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase Inhibitor p27CyclinsEndothelium, VascularExtracellular Matrix ProteinsImmunosuppressive AgentsMuscle ContractionMuscle, Smooth, VascularPhenotypeProtein KinasesRibosomal Protein S6 Kinases, 70-kDaSignal TransductionSirolimusTOR Serine-Threonine KinasesTumor Suppressor ProteinsConceptsVascular smooth muscle cellsVSMC differentiationVascular smooth muscle cell differentiationSmooth muscle cell differentiationVSMC gene expressionRapamycin-sensitive mTORMuscle cell differentiationContractile morphologyCyclin-dependent kinase inhibitorCell cycle withdrawalExtracellular matrix protein synthesisContractile proteinsMTOR pathway inhibitor rapamycinMuscle alpha-actinTranscriptional controlMatrix protein synthesisNovel functionGene expressionMigratory phenotypeRapamycin inductionMultiple speciesCell differentiationInhibitor rapamycinS6K1 pathwayProtein synthesis