2024
Transgenerational transmission of post-zygotic mutations suggests symmetric contribution of first two blastomeres to human germline
Jang Y, Tomasini L, Bae T, Szekely A, Vaccarino F, Abyzov A. Transgenerational transmission of post-zygotic mutations suggests symmetric contribution of first two blastomeres to human germline. Nature Communications 2024, 15: 9117. PMID: 39438473, PMCID: PMC11496613, DOI: 10.1038/s41467-024-53485-x.Peer-Reviewed Original Research
2023
Efficient reconstruction of cell lineage trees for cell ancestry and cancer
Jang Y, Fasching L, Bae T, Tomasini L, Schreiner J, Szekely A, Fernandez T, Leckman J, Vaccarino F, Abyzov A. Efficient reconstruction of cell lineage trees for cell ancestry and cancer. Nucleic Acids Research 2023, 51: e57-e57. PMID: 37026484, PMCID: PMC10250207, DOI: 10.1093/nar/gkad254.Peer-Reviewed Original ResearchConceptsLineage treesCell ancestryCell lineage treesFirst cell divisionStem cell linesPluripotent stem cell lineLineage reconstructionInduced pluripotent stem cell lineCell divisionCancer progressionLineage representationCell linesMosaic mutationsHuman skin fibroblastsTreesMutationsAncestrySkin fibroblastsMultiple cellsGenomeLineagesZygotesLinesFibroblastsCellsClonally Selected Lines After CRISPR-Cas Editing Are Not Isogenic
Panda A, Suvakov M, Mariani J, Drucker K, Park Y, Jang Y, Kollmeyer T, Sarkar G, Bae T, Kim J, Yoon W, Jenkins R, Vaccarino F, Abyzov A. Clonally Selected Lines After CRISPR-Cas Editing Are Not Isogenic. The CRISPR Journal 2023, 6: 176-182. PMID: 37071670, PMCID: PMC10123805, DOI: 10.1089/crispr.2022.0050.Peer-Reviewed Original ResearchConceptsCopy number alterationsSeparate genomic lociSingle nucleotide mutationsApplication of CRISPRCRISPR-Cas editingOff-target editsScreening of clonesGenomic divergenceWhole-genome sequencingGenomic lociSelection of clonesGenome sequencingNucleotide mutationsTarget editsCultured cellsClonal linesNumber alterationsCell cloningClonesMutationsCloningCRISPRComprehensive multi-omic profiling of somatic mutations in malformations of cortical development
Chung C, Yang X, Bae T, Vong K, Mittal S, Donkels C, Westley Phillips H, Li Z, Marsh A, Breuss M, Ball L, Garcia C, George R, Gu J, Xu M, Barrows C, James K, Stanley V, Nidhiry A, Khoury S, Howe G, Riley E, Xu X, Copeland B, Wang Y, Kim S, Kang H, Schulze-Bonhage A, Haas C, Urbach H, Prinz M, Limbrick D, Gurnett C, Smyth M, Sattar S, Nespeca M, Gonda D, Imai K, Takahashi Y, Chen H, Tsai J, Conti V, Guerrini R, Devinsky O, Silva W, Machado H, Mathern G, Abyzov A, Baldassari S, Baulac S, Gleeson J. Comprehensive multi-omic profiling of somatic mutations in malformations of cortical development. Nature Genetics 2023, 55: 209-220. PMID: 36635388, PMCID: PMC9961399, DOI: 10.1038/s41588-022-01276-9.Peer-Reviewed Original ResearchConceptsSingle-nucleus RNA sequencingSpatiotemporal expression patternsSomatic mutationsTarget amplicon sequencingLow allelic fractionsMulti-omics profilingGene setsRNA sequencingFunctional validationCellular organizationExpression patternsGenotype-phenotype correlation analysisGenetic landscapeCortical developmentMutationsGenetic causeUtero electroporationSomatic mosaic mutationsGenesCritical roleMosaic mutationsSequencingNeuronal hyperexcitabilityBrain resectionProfiling
2022
A noncoding single-nucleotide polymorphism at 8q24 drives IDH1-mutant glioma formation
Yanchus C, Drucker K, Kollmeyer T, Tsai R, Winick-Ng W, Liang M, Malik A, Pawling J, De Lorenzo S, Ali A, Decker P, Kosel M, Panda A, Al-Zahrani K, Jiang L, Browning J, Lowden C, Geuenich M, Hernandez J, Gosio J, Ahmed M, Loganathan S, Berman J, Trcka D, Michealraj K, Fortin J, Carson B, Hollingsworth E, Jacinto S, Mazrooei P, Zhou L, Elia A, Lupien M, He H, Murphy D, Wang L, Abyzov A, Dennis J, Maass P, Campbell K, Wilson M, Lachance D, Wrensch M, Wiencke J, Mak T, Pennacchio L, Dickel D, Visel A, Wrana J, Taylor M, Zadeh G, Dirks P, Eckel-Passow J, Attisano L, Pombo A, Ida C, Kvon E, Jenkins R, Schramek D. A noncoding single-nucleotide polymorphism at 8q24 drives IDH1-mutant glioma formation. Science 2022, 378: 68-78. PMID: 36201590, PMCID: PMC9926876, DOI: 10.1126/science.abj2890.Peer-Reviewed Original ResearchConceptsNoncoding single nucleotide polymorphismSingle nucleotide polymorphismsCausal variantsMolecular pathwaysIsocitrate dehydrogenaseLethal gliomaHeritable predispositionGlioma formationTumor developmentLow-grade gliomasMutant lower grade gliomasPolymorphismMouse modelPromoterLociEnhancerSixfold greater riskRs55705857PathwayMechanisticallyDehydrogenaseDisruptsExpressionPenetranceCancer riskAnalysis of somatic mutations in 131 human brains reveals aging-associated hypermutability
Bae T, Fasching L, Wang Y, Shin JH, Suvakov M, Jang Y, Norton S, Dias C, Mariani J, Jourdon A, Wu F, Panda A, Pattni R, Chahine Y, Yeh R, Roberts RC, Huttner A, Kleinman JE, Hyde TM, Straub RE, Walsh CA, Urban A, Leckman J, Weinberger D, Vaccarino F, Abyzov A, Walsh C, Park P, Sestan N, Weinberger D, Moran J, Gage F, Vaccarino F, Gleeson J, Mathern G, Courchesne E, Roy S, Chess A, Akbarian S, Bizzotto S, Coulter M, Dias C, D’Gama A, Ganz J, Hill R, Huang A, Khoshkhoo S, Kim S, Lee A, Lodato M, Maury E, Miller M, Borges-Monroy R, Rodin R, Zhou Z, Bohrson C, Chu C, Cortes-Ciriano I, Dou Y, Galor A, Gulhan D, Kwon M, Luquette J, Sherman M, Viswanadham V, Jones A, Rosenbluh C, Cho S, Langmead B, Thorpe J, Erwin J, Jaffe A, McConnell M, Narurkar R, Paquola A, Shin J, Straub R, Abyzov A, Bae T, Jang Y, Wang Y, Molitor C, Peters M, Linker S, Reed P, Wang M, Urban A, Zhou B, Zhu X, Pattni R, Serres Amero A, Juan D, Lobon I, Marques-Bonet T, Solis Moruno M, Garcia Perez R, Povolotskaya I, Soriano E, Antaki D, Averbuj D, Ball L, Breuss M, Yang X, Chung C, Emery S, Flasch D, Kidd J, Kopera H, Kwan K, Mills R, Moldovan J, Sun C, Zhao X, Zhou W, Frisbie T, Cherskov A, Fasching L, Jourdon A, Pochareddy S, Scuderi S. Analysis of somatic mutations in 131 human brains reveals aging-associated hypermutability. Science 2022, 377: 511-517. PMID: 35901164, PMCID: PMC9420557, DOI: 10.1126/science.abm6222.Peer-Reviewed Original ResearchConceptsTranscription factorsSomatic mutationsPutative transcription factorEnhancer-like regionSingle nucleotide mutationsWhole-genome sequencingGene regulationSomatic duplicationGenome sequencingDamaging mutationsBackground mutagenesisMutationsHypermutabilityClonal expansionMotifDiseased brainPotential linkVivo clonal expansionMutagenesisGenesDuplicationSequencingRegulation
2021
Landmarks of human embryonic development inscribed in somatic mutations
Bizzotto S, Dou Y, Ganz J, Doan R, Kwon M, Bohrson C, Kim S, Bae T, Abyzov A, Network† N, Park P, Walsh C. Landmarks of human embryonic development inscribed in somatic mutations. Science 2021, 371: 1249-1253. PMID: 33737485, PMCID: PMC8170505, DOI: 10.1126/science.abe1544.Peer-Reviewed Original ResearchConceptsSomatic single nucleotide variantsHuman embryonic developmentEmbryonic developmentEarly embryonic cell divisionsTransposase-accessible chromatin sequencingSingle cellsSingle-nucleus assayHigh-depth whole-genome sequencingSingle-nucleus RNA sequencingEmbryonic cell divisionCell lineage informationDistinct germ layersOnset of gastrulationSingle nucleotide variantsOrganismal developmentWhole-genome sequencingExtraembryonic tissuesCell divisionRNA sequencingProgenitor poolLineage informationGerm layersEarly progenitorsMultiple tissuesSequencing
2020
Adult diffuse glioma GWAS by molecular subtype identifies variants in D2HGDH and FAM20C
Eckel-Passow J, Drucker K, Kollmeyer T, Kosel M, Decker P, Molinaro A, Rice T, Praska C, Clark L, Caron A, Abyzov A, Batzler A, Song J, Pekmezci M, Hansen H, McCoy L, Bracci P, Wiemels J, Wiencke J, Francis S, Burns T, Giannini C, Lachance D, Wrensch M, Jenkins R. Adult diffuse glioma GWAS by molecular subtype identifies variants in D2HGDH and FAM20C. Neuro-Oncology 2020, 22: 1602-1613. PMID: 32386320, PMCID: PMC7690366, DOI: 10.1093/neuonc/noaa117.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesGenome-wide p-value thresholdGlioma genome-wide association studiesElongation helicase 1Germline variantsChromosome 2Helicase 1Identifies variantsChromosome 7Association studiesChromosome 20Molecular subtypesMutationsGlioma molecular subtypesWild-type gliomasFAM20CDehydrogenase mutationsP-value thresholdPromoter mutationsAssociation of variantsIsocitrate dehydrogenase (IDH) mutationD2HGDHTelomerase reverse transcriptase (TERT) promoter mutationsNew regionsVariants
2019
Combining copy number, methylation markers, and mutations as a panel for endometrial cancer detection via intravaginal tampon collection
Sangtani A, Wang C, Weaver A, Hoppman N, Kerr S, Abyzov A, Shridhar V, Staub J, Kocher J, Voss J, Podratz K, Wentzensen N, Kisiel J, Sherman M, Bakkum-Gamez J. Combining copy number, methylation markers, and mutations as a panel for endometrial cancer detection via intravaginal tampon collection. Gynecologic Oncology 2019, 156: 387-392. PMID: 31787246, PMCID: PMC7018609, DOI: 10.1016/j.ygyno.2019.11.028.Peer-Reviewed Original Research
2015
Understanding genome structural variations
Abyzov A, Li S, Gerstein MB. Understanding genome structural variations. Oncotarget 2015, 7: 7370-7371. PMID: 26657727, PMCID: PMC4884923, DOI: 10.18632/oncotarget.6485.Peer-Reviewed Original ResearchAnalysis of deletion breakpoints from 1,092 humans reveals details of mutation mechanisms
Abyzov A, Li S, Kim DR, Mohiyuddin M, Stütz AM, Parrish NF, Mu XJ, Clark W, Chen K, Hurles M, Korbel JO, Lam HY, Lee C, Gerstein MB. Analysis of deletion breakpoints from 1,092 humans reveals details of mutation mechanisms. Nature Communications 2015, 6: 7256. PMID: 26028266, PMCID: PMC4451611, DOI: 10.1038/ncomms8256.Peer-Reviewed Original ResearchConceptsNon-allelic homologous recombinationTemplate-switching eventsGenomic structural variantsDeletion breakpointsHi-C interactionsNon-homologous mechanismsRelaxed selectionGenomic averageHistone marksOpen chromatinGenomic sitesGermline cellsDNA replicationCell divisionDNA methylationHomologous recombinationGenome ProjectStructural variantsBasepair resolutionNearby SNPsMutation mechanismMicroinsertionsBreakpointsChromatinIndels
2014
VarSim: a high-fidelity simulation and validation framework for high-throughput genome sequencing with cancer applications
Mu JC, Mohiyuddin M, Li J, Bani Asadi N, Gerstein MB, Abyzov A, Wong WH, Lam HY. VarSim: a high-fidelity simulation and validation framework for high-throughput genome sequencing with cancer applications. Bioinformatics 2014, 31: 1469-1471. PMID: 25524895, PMCID: PMC4410653, DOI: 10.1093/bioinformatics/btu828.Peer-Reviewed Original ResearchConceptsMap data structureCompute frameworkGraphical reportsData structureParallel computationValidation frameworkRead alignmentSupplementary dataValidation toolReal dataHigh-fidelity simulationHigh-throughput genome sequencingDetailed statisticsFrameworkValidation resultsPythonInformationJavaSimulatorSupplementary informationComputationBioinformaticsRealistic modelCodeImplementation
2013
Integrative Annotation of Variants from 1092 Humans: Application to Cancer Genomics
Khurana E, Fu Y, Colonna V, Mu XJ, Kang HM, Lappalainen T, Sboner A, Lochovsky L, Chen J, Harmanci A, Das J, Abyzov A, Balasubramanian S, Beal K, Chakravarty D, Challis D, Chen Y, Clarke D, Clarke L, Cunningham F, Evani US, Flicek P, Fragoza R, Garrison E, Gibbs R, Gümüş ZH, Herrero J, Kitabayashi N, Kong Y, Lage K, Liluashvili V, Lipkin SM, MacArthur DG, Marth G, Muzny D, Pers TH, Ritchie GRS, Rosenfeld JA, Sisu C, Wei X, Wilson M, Xue Y, Yu F, Consortium 1, Dermitzakis ET, Yu H, Rubin MA, Tyler-Smith C, Gerstein M. Integrative Annotation of Variants from 1092 Humans: Application to Cancer Genomics. Science 2013, 342: 1235587. PMID: 24092746, PMCID: PMC3947637, DOI: 10.1126/science.1235587.Peer-Reviewed Original Research
2007
UmuD and RecA Directly Modulate the Mutagenic Potential of the Y Family DNA Polymerase DinB
Godoy V, Jarosz D, Simon S, Abyzov A, Ilyin V, Walker G. UmuD and RecA Directly Modulate the Mutagenic Potential of the Y Family DNA Polymerase DinB. Molecular Cell 2007, 28: 1058-1070. PMID: 18158902, PMCID: PMC2265384, DOI: 10.1016/j.molcel.2007.10.025.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesBlotting, Far-WesternDNA Polymerase betaDNA-Directed DNA PolymeraseEscherichia coliEscherichia coli ProteinsModels, MolecularMolecular Sequence DataMutagenesisMutationProtein BindingProtein Structure, TertiaryRec A RecombinasesSequence Homology, Amino AcidConceptsRegulatory protein-protein interactionsDNA damage-inducible proteinProtein-protein interactionsY-family DNA polymerasesFamily DNA polymerasesMutagenic phenotypeOpen active siteDinBRecAMutagenic potentialDNA polymeraseFrameshift mutagenesisProteinStructural modelingActive siteEukaryotesOrthologsArchaeaUmuDMutagenesisPolymerasePhenotypeBacteriaSitesEvolution