2013
p16INK4a protects against dysfunctional telomere–induced ATR-dependent DNA damage responses
Wang Y, Sharpless N, Chang S. p16INK4a protects against dysfunctional telomere–induced ATR-dependent DNA damage responses. Journal Of Clinical Investigation 2013, 123: 4489-4501. PMID: 24091330, PMCID: PMC3784543, DOI: 10.1172/jci69574.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsApoptosisAtaxia Telangiectasia Mutated ProteinsBone Marrow TransplantationCell ProliferationCells, CulturedCyclin-Dependent Kinase Inhibitor p16Cyclin-Dependent Kinase Inhibitor p21DNA DamageDNA RepairDNA-Binding ProteinsFemaleHematopoiesisHematopoietic Stem CellsIntestine, SmallMaleMiceMice, SCIDMice, TransgenicProtein StabilitySequence DeletionSpleenTelomereTelomere HomeostasisTumor Suppressor Protein p53ConceptsHematopoietic cellsDeletion of p21P21-dependent cell cycle arrestOrgan impairmentTelomere dysfunctionCell cycle arrestMouse modelDNA damage responseSmall intestineFunctional defectsCell functionProliferative capacityP53-dependent apoptosisCycle arrestDysfunctional telomeresCellular senescenceDysfunctionP53-dependent DNA damage responseProliferative cellsHematopoietic systemProtective functionTumor suppressorProliferative defectP53 stabilizationCells
2008
Critical and Distinct Roles of p16 and Telomerase in Regulating the Proliferative Life Span of Normal Human Prostate Epithelial Progenitor Cells*
Bhatia B, Jiang M, Suraneni M, Patrawala L, Badeaux M, Schneider-Broussard R, Multani AS, Jeter CR, Calhoun-Davis T, Hu L, Hu J, Tsavachidis S, Zhang W, Chang S, Hayward SW, Tang DG. Critical and Distinct Roles of p16 and Telomerase in Regulating the Proliferative Life Span of Normal Human Prostate Epithelial Progenitor Cells*. Journal Of Biological Chemistry 2008, 283: 27957-27972. PMID: 18662989, PMCID: PMC2562067, DOI: 10.1074/jbc.m803467200.Peer-Reviewed Original ResearchMeSH KeywordsAntigens, DifferentiationCell LineCell ProliferationCellular SenescenceCyclin-Dependent Kinase Inhibitor p16Epithelial CellsHumansMaleProstateSignal TransductionStem CellsTelomeraseTumor Suppressor Protein p53Up-RegulationConceptsProliferative life spanNHP cellsMolecular mechanismsProgenitor cellsSuppression of p16Normal human prostate epithelial cellsGene expression profilesLife spanProstate epithelial progenitor cellsHuman prostate epithelial cellsRegulation of p16Activation of p53Prostate epithelial cellsEpithelial progenitor cellsCell proliferative capacityExpression profilesBasal-like cellsProgenitor markersMultilineage differentiationTelomerase expressionDistinct rolesCell life spanCell marker CD44P16 inhibitionEpithelial cellsEvidence that senescent human prostate epithelial cells enhance tumorigenicity: Cell fusion as a potential mechanism and inhibition by p16INK4a and hTERT
Bhatia B, Multani AS, Patrawala L, Chen X, Calhoun‐Davis T, Zhou J, Schroeder L, Schneider‐Broussard R, Shen J, Pathak S, Chang S, Tang DG. Evidence that senescent human prostate epithelial cells enhance tumorigenicity: Cell fusion as a potential mechanism and inhibition by p16INK4a and hTERT. International Journal Of Cancer 2008, 122: 1483-1495. PMID: 18059027, DOI: 10.1002/ijc.23222.Peer-Reviewed Original ResearchConceptsHuman prostate epithelial cellsNHP cellsProstate epithelial cellsCell fusionVivo tumorigenicityTumor cellsTumor developmentNormal human prostate epithelial cellsEpithelial cellsAR mRNA expressionCell-cell fusionProstate cancer cell linesPotential mechanismsGene expression analysisP16INK4a protein expressionModel cell systemGenomic stabilityLNCaP prostate cancerCancer cell linesExogenous p16Expression analysisProstate cancerSenescent fibroblastsProgenitor markersProstate tumorigenesis
2007
Overexpression of the Low Molecular Weight Cyclin E in Transgenic Mice Induces Metastatic Mammary Carcinomas through the Disruption of the ARF-p53 Pathway
Akli S, Van Pelt CS, Bui T, Multani AS, Chang S, Johnson D, Tucker S, Keyomarsi K. Overexpression of the Low Molecular Weight Cyclin E in Transgenic Mice Induces Metastatic Mammary Carcinomas through the Disruption of the ARF-p53 Pathway. Cancer Research 2007, 67: 7212-7222. PMID: 17671189, DOI: 10.1158/0008-5472.can-07-0599.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAnimalsApoptosisBlotting, WesternCyclin ECyclin-Dependent Kinase Inhibitor p16FemaleGene Expression Regulation, NeoplasticGene SilencingHumansImmunoenzyme TechniquesIn Situ Nick-End LabelingLoss of HeterozygosityLung NeoplasmsMammary Neoplasms, ExperimentalMiceMice, KnockoutMice, TransgenicMutationPolymerase Chain ReactionTumor Cells, CulturedTumor Suppressor Protein p53ConceptsFull-length cyclin ECyclin E overexpressionCyclin EARF-p53 pathwayTransgenic miceLow molecular weight cyclin EE overexpressionMetastatic mammary carcinomaMammary tumor formationWeight cyclin ETumor-bearing animalsBreast cancer tumorigenesisBreast cancer cellsMouse mammary tumor virus promoterLow molecular weight isoformsLMW formsOncologic roleInactivation of p53Mammary carcinomaBreast cancerMammary adenocarcinomaLoss of heterozygosityCancer tumorigenesisMammary epithelial cellsMolecular weight isoforms
2004
Endogenous oncogenic K-rasG12D stimulates proliferation and widespread neoplastic and developmental defects
Tuveson D, Shaw A, Willis N, Silver D, Jackson E, Chang S, Mercer K, Grochow R, Hock H, Crowley D, Hingorani S, Zaks T, King C, Jacobetz M, Wang L, Bronson R, Orkin S, DePinho R, Jacks T. Endogenous oncogenic K-rasG12D stimulates proliferation and widespread neoplastic and developmental defects. Cancer Cell 2004, 5: 375-387. PMID: 15093544, DOI: 10.1016/s1535-6108(04)00085-6.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell CycleCell DivisionCell Transformation, NeoplasticCellular SenescenceCongenital AbnormalitiesCrosses, GeneticCyclin-Dependent Kinase Inhibitor p16Embryo, MammalianFemaleFibroblastsGene Expression Regulation, DevelopmentalGenes, rasIntegrasesMaleMiceMice, Inbred C57BLMice, TransgenicMutationNeoplasmsStem CellsTumor Suppressor Protein p14ARFTumor Suppressor Protein p53Viral ProteinsConceptsCanonical Ras effectorRas effectorsOncogenic RasEmbryonic developmentAbnormal cellular proliferationDevelopmental defectsRas oncogeneGenetic lesionsConditional expressionWidespread expressionK-RasG12DCellular proliferationFurther genetic abnormalitiesEnhanced proliferationOncogeneProliferationExpressionGenetic abnormalitiesEffectorsMutationsAllelesRegulationPathwayFibroblastsFrank malignancy
2003
Telomere-based crisis: functional differences between telomerase activation and ALT in tumor progression
Chang S, Khoo C, Naylor M, Maser R, DePinho R. Telomere-based crisis: functional differences between telomerase activation and ALT in tumor progression. Genes & Development 2003, 17: 88-100. PMID: 12514102, PMCID: PMC195968, DOI: 10.1101/gad.1029903.Peer-Reviewed Original ResearchConceptsInk4a/Lung metastasesSubcutaneous tumorsTumor progressionTelomerase activationSubcutaneous tumor formationAdvanced human cancersTail vein injectionTelomere dysfunctionLate passagesMalignant endpointsTelomerase-independent alternative lengtheningImmunocompromised miceFunctional differencesCytogenetic profileMetastatic activityDysfunctionMetastasisCancer cell genomeTumor formationChromosomal aberrationsHuman cancersMarked increaseInitiated cellsMouse embryonic fibroblast cultures
2002
Telomerase extracurricular activities
Chang S, DePinho R. Telomerase extracurricular activities. Proceedings Of The National Academy Of Sciences Of The United States Of America 2002, 99: 12520-12522. PMID: 12271146, PMCID: PMC130491, DOI: 10.1073/pnas.212514699.Peer-Reviewed Original Research