2009
miRNPs: versatile regulators of gene expression in vertebrate cells1
Steitz JA, Vasudevan S. miRNPs: versatile regulators of gene expression in vertebrate cells1. Biochemical Society Transactions 2009, 37: 931-935. PMID: 19754429, DOI: 10.1042/bst0370931.Peer-Reviewed Original ResearchConceptsPost-transcriptional controlAssociation of Ago2Role of miRNAsImmature Xenopus oocytesTNFalpha AREProtein FXR1Contact-inhibited cellsTranslational regulationTranslation activationVersatile regulatorsTranslational efficiencyNegative regulatorGene expressionSpecific miRNACell cycleEffector moleculesCell growthXenopus oocytesAgo2FXR1Regulating the activity of microRNPs in vertebrate cells
Steitz J, Vasudevan S, Cazalla D. Regulating the activity of microRNPs in vertebrate cells. The FASEB Journal 2009, 23: 90.3-90.3. DOI: 10.1096/fasebj.23.1_supplement.90.3.Peer-Reviewed Original ResearchAU-rich sequencesPost-transcriptional controlAssociation of Ago2Role of microRNAsProtein FXR1Translation regulationContact-inhibited cellsVertebrate cellsTranslation upregulationTranslation activationTranslational efficiencyNegative regulatorCell cycleSpecific microRNAsQuiescent cellsS phaseH. saimiriEffector moleculesCell growthMicroRNPsXenopus oocytesMicroRNAsAgo2FXR1Monocyte differentiation
2007
Target mRNAs are repressed as efficiently by microRNA-binding sites in the 5′ UTR as in the 3′ UTR
Lytle JR, Yario TA, Steitz JA. Target mRNAs are repressed as efficiently by microRNA-binding sites in the 5′ UTR as in the 3′ UTR. Proceedings Of The National Academy Of Sciences Of The United States Of America 2007, 104: 9667-9672. PMID: 17535905, PMCID: PMC1887587, DOI: 10.1073/pnas.0703820104.Peer-Reviewed Original ResearchConceptsInternal ribosome entry siteTarget mRNAsMiRNA-mediated repressionRepression of translationLuciferase reporter mRNAMiRNA target sitesInitiation of translationMiRNA-binding sitesHuman HeLa cellsRibosome entry siteMicroRNA-binding sitesLet-7 complementary sitesHuman Ago2Reporter mRNAMicroRNAs (miRNAs) bindEndogenous mRNATranslational efficiencyLet-7a miRNAUTRProtein synthesisDNA transfectionComplementary sitesHeLa cellsEntry siteTarget site