2020
Complex mosaic structural variations in human fetal brains
Sekar S, Tomasini L, Proukakis C, Bae T, Manlove L, Jang Y, Scuderi S, Zhou B, Kalyva M, Amiri A, Mariani J, Sedlazeck F, Urban AE, Vaccarino F, Abyzov A. Complex mosaic structural variations in human fetal brains. Genome Research 2020, 30: gr.262667.120. PMID: 33122304, PMCID: PMC7706730, DOI: 10.1101/gr.262667.120.Peer-Reviewed Original ResearchConceptsSingle nucleotide variantsCopy number variantsStructural variantsMegabase-scale copy number variantsHuman fetal brainFunctional consequencesMobile element insertionsSimilar functional consequencesFetal brainMosaic single-nucleotide variantsAdult brain neuronsStructural variationsPotential functional consequencesKilobase scaleDNA eventsGenomic fragmentDifferent chromosomesElement insertionsClonal approachHuman brain cellsFetal human brainNucleotide variantsReplication errorsHuman brainNumber variants
2017
Different mutational rates and mechanisms in human cells at pregastrulation and neurogenesis
Bae T, Tomasini L, Mariani J, Zhou B, Roychowdhury T, Franjic D, Pletikos M, Pattni R, Chen BJ, Venturini E, Riley-Gillis B, Sestan N, Urban AE, Abyzov A, Vaccarino FM. Different mutational rates and mechanisms in human cells at pregastrulation and neurogenesis. Science 2017, 359: 550-555. PMID: 29217587, PMCID: PMC6311130, DOI: 10.1126/science.aan8690.Peer-Reviewed Original ResearchConceptsSingle nucleotide variationsMutation rateCancer cell genomeClonal cell populationsCell genomeCell lineagesBackground mutagenesisHuman cellsMutational rateSomatic mosaicismSingle cellsOxidative damageGenomeMutagenesisCell populationsMutation spectrumNeurogenesisCellsHuman fetusesIndividual neuronsLineagesPregastrulationHuman brainBrainMutationsOne thousand somatic SNVs per skin fibroblast cell set baseline of mosaic mutational load with patterns that suggest proliferative origin
Abyzov A, Tomasini L, Zhou B, Vasmatzis N, Coppola G, Amenduni M, Pattni R, Wilson M, Gerstein M, Weissman S, Urban AE, Vaccarino FM. One thousand somatic SNVs per skin fibroblast cell set baseline of mosaic mutational load with patterns that suggest proliferative origin. Genome Research 2017, 27: 512-523. PMID: 28235832, PMCID: PMC5378170, DOI: 10.1101/gr.215517.116.Peer-Reviewed Original ResearchConceptsSomatic mosaicismFibroblast cellsSingle-cell whole-genome amplificationAllele frequenciesNumber of SNVsNormal cell proliferationCell proliferationWhole genome amplificationStem cell linesPluripotent stem cell lineHealthy human tissuesDe novo variantsCancer mutationsHigh-resolution analysisMutational loadPCR experimentsSkin fibroblast cellsMutational signaturesHiPSC linesDe novoGenomeNovo variantsFibroblast populationsCell linesSomatic SNVs
2012
Somatic copy number mosaicism in human skin revealed by induced pluripotent stem cells
Abyzov A, Mariani J, Palejev D, Zhang Y, Haney MS, Tomasini L, Ferrandino AF, Rosenberg Belmaker LA, Szekely A, Wilson M, Kocabas A, Calixto NE, Grigorenko EL, Huttner A, Chawarska K, Weissman S, Urban AE, Gerstein M, Vaccarino FM. Somatic copy number mosaicism in human skin revealed by induced pluripotent stem cells. Nature 2012, 492: 438-442. PMID: 23160490, PMCID: PMC3532053, DOI: 10.1038/nature11629.Peer-Reviewed Original Research