Extrachromosomal DNA amplifications in cancer
Yi E, Chamorro González R, Henssen A, Verhaak R. Extrachromosomal DNA amplifications in cancer. Nature Reviews Genetics 2022, 23: 760-771. PMID: 35953594, PMCID: PMC9671848, DOI: 10.1038/s41576-022-00521-5.Peer-Reviewed Original ResearchConceptsExtrachromosomal DNA amplificationsNew therapeutic vulnerabilitiesCopy number heterogeneityEpigenetic architectureDNA amplificationCell divisionNuclear bodiesMost cancer typesNumber heterogeneityRegulatory landscapeTherapeutic vulnerabilitiesFunctional impactCancer typesDriver alterationsCircular structureEcDNAsChromatinizationChromosomesGenesAmplificationEcDNARecent investigationsEnhancerDeregulationCancerExtrachromosomal 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