2021
The p53 transcriptional response across tumor types reveals core and senescence-specific signatures modulated by long noncoding RNAs
Tesfaye E, Martinez-Terroba E, Bendor J, Winkler L, Olivero C, Chen K, Feldser DM, Zamudio JR, Dimitrova N. The p53 transcriptional response across tumor types reveals core and senescence-specific signatures modulated by long noncoding RNAs. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2025539118. PMID: 34326251, PMCID: PMC8346867, DOI: 10.1073/pnas.2025539118.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCarcinogenesisCell Line, TumorCell ProliferationCellular SenescenceDNA DamageE2F Transcription FactorsGene Expression Regulation, NeoplasticGenome-Wide Association StudyMiceNeoplasmsProto-Oncogene Proteins c-mycRNA, Long NoncodingSignal TransductionStress, PhysiologicalTumor Suppressor Protein p53ConceptsOncogenic contextPermanent cell cycle arrestP53-induced lncRNAsP53 transcriptional responseMYC target genesTumor suppressor mechanismRepression of E2FP53-binding siteP53-dependent senescenceTumor-type specificCell cycle arrestTranscriptional responseProliferative arrestTarget genesMurine cancer cell linesTranscriptional signatureRegulatory axisTumor typesCycle arrestP53 functionDistinct tumor typesFunctional investigationDownstream mediatorP53 pathwayCancer cell lines
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