2023
ATR promotes clearance of damaged DNA and damaged cells by rupturing micronuclei
Joo Y, Black E, Trier I, Haakma W, Zou L, Kabeche L. ATR promotes clearance of damaged DNA and damaged cells by rupturing micronuclei. Molecular Cell 2023, 83: 3642-3658.e4. PMID: 37788673, PMCID: PMC10599252, DOI: 10.1016/j.molcel.2023.09.003.Peer-Reviewed Original ResearchConceptsATR inhibitorsLamin A/CCytoplasmic DNA sensor cGASHuman ataxia telangiectasiaDNA sensor cGASCdk1 phosphorylationGenomic integrityKinase functionMicronuclear DNAAtaxia telangiectasiaCDK1 inhibitionChromosomal instabilityS phaseAutonomous mechanismsAutophagosome accumulationATRCancer cellsDNACell populationsCGASCellsMicronucleiRad3GenomeChromothripsis
2022
TOP1-DNA Trapping by Exatecan and Combination Therapy with ATR Inhibitor.
Jo U, Murai Y, Agama KK, Sun Y, Saha LK, Yang X, Arakawa Y, Gayle S, Jones K, Paralkar V, Sundaram RK, Van Doorn J, Vasquez JC, Bindra RS, Choi WS, Pommier Y. TOP1-DNA Trapping by Exatecan and Combination Therapy with ATR Inhibitor. Molecular Cancer Therapeutics 2022, 21: 1090-1102. PMID: 35439320, PMCID: PMC9256811, DOI: 10.1158/1535-7163.mct-21-1000.Peer-Reviewed Original ResearchConceptsATR inhibitorsTop1 inhibitorsHomologous recombination deficiencyNovel molecular interactionApoptotic cell deathCancer cellsTop1 cleavage complexesAtaxia telangiectasiaCleavage complexesCell deathDNA damageHigher DNA damageMolecular interactionsDNA baseKinase inhibitorsI inhibitorMolecular pharmacologyMouse xenograftsTOP1Recombination deficiencyTopoisomerase I inhibitorInhibitorsTumor growthRad3Predictive biomarkers
2012
RPA and POT1
Flynn RL, Chang S, Zou L. RPA and POT1. Cell Cycle 2012, 11: 652-657. PMID: 22373525, PMCID: PMC3318101, DOI: 10.4161/cc.11.4.19061.Peer-Reviewed Original ResearchConceptsReplication protein ATelomere maintenanceDNA replicationProtein complex shelterinTTAGGG telomeric repeatsTelomeric ssDNACheckpoint responseTelomeric repeatsPOT1Ataxia telangiectasiaCell cycleAberrant accumulationCycling cellsSpecific mannerInteresting modelTelomeresProtein ACritical roleProteinRecent studiesReplicationShelterinRad3KinaseRepeats
2008
Defective p53 engagement after the induction of DNA damage in cells deficient in topoisomerase 3β
Mohanty S, Town T, Yagi T, Scheidig C, Kwan KY, Allore HG, Flavell RA, Shaw AC. Defective p53 engagement after the induction of DNA damage in cells deficient in topoisomerase 3β. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 5063-5068. PMID: 18367668, PMCID: PMC2278186, DOI: 10.1073/pnas.0801235105.Peer-Reviewed Original ResearchConceptsMurine embryonic fibroblastsDNA damageDependent substrate phosphorylationDNA double-strand breaksType IA topoisomerasesCell cycle checkpointsDNA-damaging agentsS cell cycle checkpointDouble-strand breaksRegulation of totalSubstrate phosphorylationGenomic stabilityDsDNA breaksDNA replicationCycle checkpointsHomologous recombinationDNA repairUnanticipated roleEmbryonic fibroblastsAtaxia telangiectasiaCellular responsesTopoisomerase 3βPhosphorylationRad3Important role
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