2022
Live-Cell Imaging Shows Uneven Segregation of Extrachromosomal DNA Elements and Transcriptionally Active Extrachromosomal DNA Hubs in Cancer
Yi E, Gujar A, Guthrie M, Kim H, Zhao D, Johnson K, Amin S, Costa M, Yu Q, Das S, Jillette N, Clow P, Cheng A, Verhaak R. Live-Cell Imaging Shows Uneven Segregation of Extrachromosomal DNA Elements and Transcriptionally Active Extrachromosomal DNA Hubs in Cancer. Cancer Discovery 2022, 12: 468-483. PMID: 34819316, PMCID: PMC8831456, DOI: 10.1158/2159-8290.cd-21-1376.Peer-Reviewed Original ResearchConceptsExtrachromosomal DNA elementsDNA elementsUneven segregationRNA polymerase IILive-cell imagingPolymerase IIOffspring cellsGene transcriptionCell line modelsEcDNAsRandom segregationGenetic materialLiving cellsCopy numberLive cellsIndividual cellsTumor evolutionMitosisInheritance patternBreakpoint sequencesIssue featureTranscriptionFluorescent markersPatient tissuesCells
2021
Radiotherapy is associated with a deletion signature that contributes to poor outcomes in patients with cancer
Kocakavuk E, Anderson K, Varn F, Johnson K, Amin S, Sulman E, Lolkema M, Barthel F, Verhaak R. Radiotherapy is associated with a deletion signature that contributes to poor outcomes in patients with cancer. Nature Genetics 2021, 53: 1088-1096. PMID: 34045764, PMCID: PMC8483261, DOI: 10.1038/s41588-021-00874-3.Peer-Reviewed Original ResearchConceptsWorse clinical outcomesNon-irradiated tumorsClinical outcomesRecurrent cancerPatient survivalPoor outcomeMetastatic tumorsRecurrent gliomaRadiation therapyRadiation-induced DNA damageDNA damageGlioma Longitudinal Analysis ConsortiumMutational signature analysisCancer treatmentDeletion burdenRadiotherapyMedical FoundationAPOBEC mutagenesisSignificant increaseTumorsCancerDNA damage repairDeletion signatureMutational spectrumSmall deletions