2017
A mitosis-specific and R loop–driven ATR pathway promotes faithful chromosome segregation
Kabeche L, Nguyen HD, Buisson R, Zou L. A mitosis-specific and R loop–driven ATR pathway promotes faithful chromosome segregation. Science 2017, 359: 108-114. PMID: 29170278, PMCID: PMC5875943, DOI: 10.1126/science.aan6490.Peer-Reviewed Original ResearchConceptsFaithful chromosome segregationChromosome segregationR-loopsATR pathwayCyclin-dependent kinase 1 (CDK1) activityWhole chromosome missegregationReplication stress responseReplication protein ADNA damage responseCentromere protein FKinase 1 activityATR functionAurora BDamage responseChromosome instabilityCentromeresProtein FAtaxia telangiectasiaAurora AUnexpected roleStress responseDNA damageDNA synthesisATRProtein A
2015
Numerical chromosomal instability mediates susceptibility to radiation treatment
Bakhoum SF, Kabeche L, Wood MD, Laucius CD, Qu D, Laughney AM, Reynolds GE, Louie RJ, Phillips J, Chan DA, Zaki BI, Murnane JP, Petritsch C, Compton DA. Numerical chromosomal instability mediates susceptibility to radiation treatment. Nature Communications 2015, 6: 5990. PMID: 25606712, PMCID: PMC4516720, DOI: 10.1038/ncomms6990.Peer-Reviewed Original ResearchConceptsWhole chromosome missegregationRadiation-induced genome damageChromosome missegregation ratesGenome damageChromosome segregation errorsNumerical chromosomal instabilityTumor-derived cell linesMitotic cancer cellsMitotic pathwaysSegregation errorsHuman glioblastoma tumorsMitotic cellsMitotic errorsChromosomal instabilityCell deathChromosomal breaksMissegregationCancer cellsCell linesGlioblastoma tumorsExquisite sensitivityIR leadCellsChromosomal defectsChromosomes
2014
DNA-Damage Response during Mitosis Induces Whole-Chromosome Missegregation
Bakhoum SF, Kabeche L, Murnane JP, Zaki BI, Compton DA. DNA-Damage Response during Mitosis Induces Whole-Chromosome Missegregation. Cancer Discovery 2014, 4: 1281-1289. PMID: 25107667, PMCID: PMC4221427, DOI: 10.1158/2159-8290.cd-14-0403.Peer-Reviewed Original ResearchConceptsDNA damage responseNumerical chromosomal instabilityDNA damageChromosome segregationChromosomal instabilityWhole chromosomal instabilityChromosome segregation defectsDefective chromosome segregationWhole chromosome missegregationChromosome segregation errorsPersistent DNA damageS-CINW-CINSegregation defectsMicrotubule attachmentDDR proteinsEntire chromosomesPlk1 kinaseCell divisionSegregation errorsMitotic processesChromosomesMitosisStructural rearrangementsCancer cells