2017
An Exportin-1–dependent microRNA biogenesis pathway during human cell quiescence
Martinez I, Hayes KE, Barr JA, Harold AD, Xie M, Bukhari SIA, Vasudevan S, Steitz JA, DiMaio D. An Exportin-1–dependent microRNA biogenesis pathway during human cell quiescence. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e4961-e4970. PMID: 28584122, PMCID: PMC5488920, DOI: 10.1073/pnas.1618732114.Peer-Reviewed Original ResearchConceptsBiogenesis pathwayExportin 1Exportin-5Canonical miRNA biogenesis pathwayCanonical miRNA biogenesisTrimethylguanosine synthase 1MicroRNA biogenesis pathwayMiRNA biogenesis pathwayMiRNA processing pathwayStem cell biologyCellular growth arrestGroup of miRNAsExpression of miRNAsPrimary human fibroblastsMiRNA biogenesisPrimary miRNAsCellular quiescenceTissue homeostasisCell biologyProliferative arrestSpecific miRNAsCell quiescenceGrowth arrestBiogenesisMiRNAs
2013
Phosphorylation of DGCR8 Increases Its Intracellular Stability and Induces a Progrowth miRNA Profile
Herbert KM, Pimienta G, DeGregorio SJ, Alexandrov A, Steitz JA. Phosphorylation of DGCR8 Increases Its Intracellular Stability and Induces a Progrowth miRNA Profile. Cell Reports 2013, 5: 1070-1081. PMID: 24239349, PMCID: PMC3892995, DOI: 10.1016/j.celrep.2013.10.017.Peer-Reviewed Original ResearchConceptsMicroprocessor complexRNA-binding proteinRNase III enzymeInhibition of phosphatasesStem-loop structureERK/MAPKSpecific processing activityMiRNA expression profilesExtracellular cuesMiRNA biogenesisDrosha proteinPhosphorylation sitesPrimary miRNAMammalian cellsProtein stabilityExpression profilesDGCR8Intracellular stabilityHeLa cellsCellular levelMiRNA profilesPhosphorylationMRNA levelsProteinCells
2010
miR-29 and miR-30 regulate B-Myb expression during cellular senescence
Martinez I, Cazalla D, Almstead LL, Steitz JA, DiMaio D. miR-29 and miR-30 regulate B-Myb expression during cellular senescence. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 108: 522-527. PMID: 21187425, PMCID: PMC3021067, DOI: 10.1073/pnas.1017346108.Peer-Reviewed Original ResearchConceptsB-myb expressionCellular senescenceMiR-30MiR-29Reporter constructsEndogenous B-MybMajor tumor suppressor mechanismTumor suppressor mechanismIrreversible growth arrestMicroRNA familiesMutant 3'UTRCellular DNA synthesisB-MybReplicative senescenceCompensatory mutationsGrowth arrestMutant sitesRb pathwaySenescenceSuppressor mechanismDNA synthesisRepressionInhibits senescenceExpressionMutations
2007
Switching from Repression to Activation: MicroRNAs Can Up-Regulate Translation
Vasudevan S, Tong Y, Steitz JA. Switching from Repression to Activation: MicroRNAs Can Up-Regulate Translation. Science 2007, 318: 1931-1934. PMID: 18048652, DOI: 10.1126/science.1149460.Peer-Reviewed Original ResearchMeSH Keywords3' Untranslated RegionsArgonaute ProteinsBase PairingCell CycleCell LineCell ProliferationComputational BiologyEukaryotic Initiation Factor-2Gene Expression RegulationHeLa CellsHMGA2 ProteinHumansInterphaseMicroRNAsProtein BiosynthesisRibonucleoproteinsRNA-Binding ProteinsRNA, MessengerTransfectionTumor Necrosis Factor-alphaUp-RegulationConceptsAU-rich elementsCell cycle arrestCycle arrestUntranslated regionMental retardation-related protein 1MicroRNA target sitesMicroRNA let-7Messenger RNA (mRNA) 3' untranslated regionsRegulates TranslationTranslation regulationTarget mRNAsGene expressionCell cycleCommon functionProtein 1ArgonauteTarget siteActivation signalsRepressionTumor necrosis factor-alpha mRNAMRNARegulationActivationArrestMicroRNPs