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
2009
Replicative Senescence as an Intrinsic Tumor-Suppressor Mechanism
Chang S. Replicative Senescence as an Intrinsic Tumor-Suppressor Mechanism. 2009, 201-217. DOI: 10.1007/978-1-4419-1075-2_8.Peer-Reviewed Original ResearchDysfunctional telomeresGenomic instabilityIntrinsic tumor suppressor mechanismsDNA damage response pathwayProtein-DNA complexesDamage response pathwayTumor suppressor mechanismEukaryotic chromosomal endsEnds of chromosomesP53-dependent senescenceAbsence of p53Complex cytogenetic profileTriggers senescenceDDR pathwaysResponse pathwaysChromosomal endsReplicative senescenceTelomere dysfunctionCellular senescenceOnset of cancerTelomeresSenescenceCancer progressionEpithelial tissuesHuman carcinomas
2008
Telomere dysfunction and tumour suppression: the senescence connection
Deng Y, Chan SS, Chang S. Telomere dysfunction and tumour suppression: the senescence connection. Nature Reviews Cancer 2008, 8: 450-458. PMID: 18500246, PMCID: PMC3688269, DOI: 10.1038/nrc2393.Peer-Reviewed Original ResearchConceptsTelomere dysfunctionDysfunctional telomeresDNA damage responseKey PointsTelomeresEukaryotic chromosomesGenome instabilityShelterin complexApoptotic programDamage responseRepetitive sequencesCellular senescenceTelomeric endTumor suppressionProtein resultsP53 pathwayMutant p53TelomeresSpontaneous tumorigenesisSenescenceTumorigenesisMouse modelChromosomesDysfunctionProteinApoptosisDual roles of telomere dysfunction in initiation and suppression of tumorigenesis
Cosme-Blanco W, Chang S. Dual roles of telomere dysfunction in initiation and suppression of tumorigenesis. Experimental Cell Research 2008, 314: 1973-1979. PMID: 18448098, PMCID: PMC3690559, DOI: 10.1016/j.yexcr.2008.03.011.Peer-Reviewed Original ResearchConceptsDNA double-strand breaksDysfunctional telomeresGenomic instabilityPotent tumor suppressor mechanismTumorigenic potentialSimple repeat sequencesTumor suppressor mechanismDouble-strand breaksCell tumorigenic potentialSuppression of tumorigenesisCancer cellsChromosomal endsTelomere dysfunctionCellular senescenceRepeat sequencesGenetic changesTelomeresGenetic lesionsP53 pathwayTumor initiationDicentric chromosomesSuppressor mechanismIntact p53 pathwayHuman carcinomasRare cellsInitiation of Genomic Instability, Cellular Senescence, and Organismal Aging by Dysfunctional Telomeres
Chang S. Initiation of Genomic Instability, Cellular Senescence, and Organismal Aging by Dysfunctional Telomeres. 2008, 57-75. DOI: 10.1007/978-3-540-73709-4_4.Peer-Reviewed Original ResearchDysfunctional telomeresOrganismal agingCellular senescenceDNA damage responseLinear chromosomesShelterin complexDamage responseTelomeric repeatsGenomic instabilityTelomeric structureTelomeresSenescenceFunction resultsProteinImportant roleChromosomesMouse modelRepeatsTelomeraseDNAProgressive lossP53ActivationComplexesAging
2007
Role of telomeres and telomerase in genomic instability, senescence and cancer
Deng Y, Chang S. Role of telomeres and telomerase in genomic instability, senescence and cancer. Laboratory Investigation 2007, 87: 1071-1076. PMID: 17767195, DOI: 10.1038/labinvest.3700673.Peer-Reviewed Original ResearchConceptsHuman cancersAnti-telomerase therapyAttractive therapeutic targetClinical trialsTherapeutic targetDNA damage responseRole of telomeresAbsence of p53Progressive lossHuman carcinomasSuppress tumorigenesisCancerLinear chromosomesCellular senescenceDamage responseTelomeric repeatsDysfunctional telomeresGenomic instabilityTelomeric structureChromosomal instabilityTelomeresP53TelomeraseImportant mechanismFunction resultsTelomere dysfunction suppresses spontaneous tumorigenesis in vivo by initiating p53‐dependent cellular senescence
Cosme-Blanco W, Shen MF, Lazar AJ, Pathak S, Lozano G, Multani AS, Chang S. Telomere dysfunction suppresses spontaneous tumorigenesis in vivo by initiating p53‐dependent cellular senescence. EMBO Reports 2007, 8: 497-503. PMID: 17396137, PMCID: PMC1866197, DOI: 10.1038/sj.embor.7400937.Peer-Reviewed Original ResearchConceptsP53-dependent cellular senescenceSpontaneous tumorigenesisCellular senescenceCellular senescence pathwaysSenescence pathwaysCell cycle arrestSkin carcinomasSenescence markersTumorigenesisMiceDysfunctional telomeresTumor suppressionTelomere dysfunctionP53ApoptosisVivoSuppressionCarcinomaDysfunctionPathwaySenescenceWRN at telomeres: implications for aging and cancer
Multani AS, Chang S. WRN at telomeres: implications for aging and cancer. Journal Of Cell Science 2007, 120: 713-721. PMID: 17314245, DOI: 10.1242/jcs.03397.Peer-Reviewed Original ResearchConceptsWerner syndromeHuman Werner syndromePremature aging syndromesRecent genetic evidenceAge-related pathologiesGenome stabilityWRN deficiencyTelomere maintenanceDNA replicationGenetic evidenceSingle gene defectsTelomere dysfunctionCellular senescenceAging syndromesMolecular levelPremature agingEarly cancer onsetWRNGene defectsCancer onsetMajor roleTelomeresSenescenceRapid onsetProtein
1999
Longevity, Stress Response, and Cancer in Aging Telomerase-Deficient Mice
Rudolph K, Chang S, Lee H, Blasco M, Gottlieb G, Greider C, DePinho R. Longevity, Stress Response, and Cancer in Aging Telomerase-Deficient Mice. Cell 1999, 96: 701-712. PMID: 10089885, DOI: 10.1016/s0092-8674(00)80580-2.Peer-Reviewed Original ResearchConceptsOrganismal aging processTelomerase-null miceTelomerase-deficient miceTelomere functionOrganismal levelTelomere maintenanceCellular senescenceOverall fitnessPhysiological processesStress responseHematopoietic ablationGenetic instabilityTelomere lengthNull miceCritical roleLife spanWound healingAging processSpontaneous malignanciesSenescenceOrganismsFitnessPathophysiological symptomsRoleMice