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
2020
Extrachromosomal DNA is associated with oncogene amplification and poor outcome across multiple cancers
Kim H, Nguyen N, Turner K, Wu S, Gujar A, Luebeck J, Liu J, Deshpande V, Rajkumar U, Namburi S, Amin S, Yi E, Menghi F, Schulte J, Henssen A, Chang H, Beck C, Mischel P, Bafna V, Verhaak R. Extrachromosomal DNA is associated with oncogene amplification and poor outcome across multiple cancers. Nature Genetics 2020, 52: 891-897. PMID: 32807987, PMCID: PMC7484012, DOI: 10.1038/s41588-020-0678-2.Peer-Reviewed Original ResearchConceptsOncogene amplificationPoor outcomeCancer typesEcDNA amplificationShorter survivalCancer patientsMost cancer typesExtrachromosomal DNA amplificationsClinical impactMultiple cancersPatientsNormal tissuesCancerTranscript fusionsEnhanced chromatin accessibilityIntratumoral genetic heterogeneityOncogene transcriptionChromosomal amplificationOutcomesGenetic heterogeneityHigh levelsDNA amplificationTissue typesBlood