2020
p53 Activates the Long Noncoding RNA Pvt1b to Inhibit Myc and Suppress Tumorigenesis
Olivero CE, Martínez-Terroba E, Zimmer J, Liao C, Tesfaye E, Hooshdaran N, Schofield JA, Bendor J, Fang D, Simon MD, Zamudio JR, Dimitrova N. p53 Activates the Long Noncoding RNA Pvt1b to Inhibit Myc and Suppress Tumorigenesis. Molecular Cell 2020, 77: 761-774.e8. PMID: 31973890, PMCID: PMC7184554, DOI: 10.1016/j.molcel.2019.12.014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarcinogenesisCell LineCell ProliferationCells, CulturedChromatinEnhancer Elements, GeneticGene Expression RegulationHumansLung NeoplasmsMiceMice, Inbred C57BLPromoter Regions, GeneticProto-Oncogene MasProto-Oncogene Proteins c-mycRNA, Long NoncodingStress, PhysiologicalTumor Suppressor Protein p53ConceptsMYC transcriptional networkLong noncoding RNA PVT1Cellular proliferationTumor suppressor p53Chromatin organizationTranscriptional networksTarget genesMYC transcriptionTranscriptional activityKb downstreamMYC levelsOncogenic signalingSuppressor p53Suppress tumorigenesisDNA damageRNA PVT1Autochthonous mouse modelMYCTranscriptionP53Anti-proliferative activityTumor progressionTumor growthLung cancerMouse model
2014
LincRNA-p21 Activates p21 In cis to Promote Polycomb Target Gene Expression and to Enforce the G1/S Checkpoint
Dimitrova N, Zamudio JR, Jong RM, Soukup D, Resnick R, Sarma K, Ward AJ, Raj A, Lee JT, Sharp PA, Jacks T. LincRNA-p21 Activates p21 In cis to Promote Polycomb Target Gene Expression and to Enforce the G1/S Checkpoint. Molecular Cell 2014, 54: 777-790. PMID: 24857549, PMCID: PMC4103188, DOI: 10.1016/j.molcel.2014.04.025.Peer-Reviewed Original ResearchConceptsG1/S checkpointGene expressionS checkpointPolycomb target genesGlobal gene expressionP53 transcriptional networkTarget gene expressionTumor suppressor pathwayConditional knockout mouse modelP53 tumor suppressor pathwayChromatin stateTranscriptional networksKnockout mouse modelNeighboring genesMRNA translationProtein stabilityTarget genesP21 transcriptionSuppressor pathwayAdditional phenotypesGenesP21 levelsLincRNA-p21P21 expressionCoactivator