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
2006
Pot1 Deficiency Initiates DNA Damage Checkpoint Activation and Aberrant Homologous Recombination at Telomeres
Wu L, Multani AS, He H, Cosme-Blanco W, Deng Y, Deng JM, Bachilo O, Pathak S, Tahara H, Bailey SM, Deng Y, Behringer RR, Chang S. Pot1 Deficiency Initiates DNA Damage Checkpoint Activation and Aberrant Homologous Recombination at Telomeres. Cell 2006, 126: 49-62. PMID: 16839876, DOI: 10.1016/j.cell.2006.05.037.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell Cycle ProteinsCells, CulturedCellular SenescenceChromosome AberrationsDNA DamageDNA RepairDNA-Binding ProteinsGene SilencingGenes, cdcGenomic InstabilityMiceMice, KnockoutNuclear ProteinsProtein IsoformsRecombination, GeneticSequence HomologyShelterin ComplexSister Chromatid ExchangeTelomereTelomere-Binding ProteinsConceptsAberrant homologous recombinationHomologous recombinationTelomere sister chromatid exchangeDNA damage checkpoint activationOverall genomic stabilityTelomere length regulationDNA damage machineryDNA damage responseT-loop structureChromosomal end protectionMammalian telomeresPOT1 proteinsTelomere integrityCheckpoint activationGenomic stabilityLength regulationMouse genomeDamage responseEnd protectionReplicative senescenceDNA breaksRich overhangTelomeresChromosomal instabilityConditional deletion
2004
A mouse model of Werner Syndrome: what can it tell us about aging and cancer?
Chang S. A mouse model of Werner Syndrome: what can it tell us about aging and cancer? The International Journal Of Biochemistry & Cell Biology 2004, 37: 991-999. PMID: 15743673, DOI: 10.1016/j.biocel.2004.11.007.Peer-Reviewed Original ResearchConceptsMolecular mechanismsWerner syndromePremature agingConsequent cellular responsesGene functionMammalian agingDysfunctional telomeresGenetic pathwaysReplicative senescenceTelomere dysfunctionCellular responsesGenetic platformProgeroid syndromesMolecular levelMouse modelRecent studiesAging processTelomeresSenescenceTumorigenesisPathwayMechanismAgingCancerSyndromeEssential role of limiting telomeres in the pathogenesis of Werner syndrome
Chang S, Multani AS, Cabrera NG, Naylor ML, Laud P, Lombard D, Pathak S, Guarente L, DePinho RA. Essential role of limiting telomeres in the pathogenesis of Werner syndrome. Nature Genetics 2004, 36: 877-882. PMID: 15235603, DOI: 10.1038/ng1389.Peer-Reviewed Original ResearchConceptsWerner syndromeCultured cellsComplex cellular phenotypesElevated genomic instabilityDNA damage fociPremature aging syndromesWRN deficiencyReplicative senescenceCellular phenotypesGenomic instabilityAging syndromesGenetic dataMutational inactivationPremature senescenceChromosomal instabilityTelomerase expressionHair grayingPremature agingDisease phenotypeEssential roleWRNMice nullSenescenceAutosomal recessive diseaseType II diabetes