Livia Tomasini
Research Associate 2, HSSCards
About
Research
Publications
2025
Specification of human brain regions with orthogonal gradients of WNT and SHH in organoids reveals patterning variations across cell lines
Scuderi S, Kang T, Jourdon A, Nelson A, Yang L, Wu F, Anderson G, Mariani J, Tomasini L, Sarangi V, Abyzov A, Levchenko A, Vaccarino F. Specification of human brain regions with orthogonal gradients of WNT and SHH in organoids reveals patterning variations across cell lines. Cell Stem Cell 2025, 32: 970-989.e11. PMID: 40315847, PMCID: PMC12145255, DOI: 10.1016/j.stem.2025.04.006.Peer-Reviewed Original ResearchConceptsGradient of WntGene expression programsSingle-cell transcriptomicsBrain lineagesMorphogen gradientsEpigenetic variationDorso-ventral axisShh signalingExpression programsMorphogenFetal human brainHuman iPSC linesPluripotent stem cellsCell linesNeuronal lineageNeural tubeShhWntLineagesLine-to-line variationEarly patterningPattern systemPattern variationHuman brain regionsIPSC linesAuthor Correction: 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. Author Correction: Transgenerational transmission of post-zygotic mutations suggests symmetric contribution of first two blastomeres to human germline. Nature Communications 2025, 16: 2352. PMID: 40064908, PMCID: PMC11894138, DOI: 10.1038/s41467-025-56705-0.Peer-Reviewed Original Research
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
Author Correction: Modeling idiopathic autism in forebrain organoids reveals an imbalance of excitatory cortical neuron subtypes during early neurogenesis
Jourdon A, Wu F, Mariani J, Capauto D, Norton S, Tomasini L, Amiri A, Suvakov M, Schreiner J, Jang Y, Panda A, Nguyen C, Cummings E, Han G, Powell K, Szekely A, McPartland J, Pelphrey K, Chawarska K, Ventola P, Abyzov A, Vaccarino F. Author Correction: Modeling idiopathic autism in forebrain organoids reveals an imbalance of excitatory cortical neuron subtypes during early neurogenesis. Nature Neuroscience 2023, 26: 2035-2035. PMID: 37674007, DOI: 10.1038/s41593-023-01447-9.Peer-Reviewed Original ResearchModeling idiopathic autism in forebrain organoids reveals an imbalance of excitatory cortical neuron subtypes during early neurogenesis
Jourdon A, Wu F, Mariani J, Capauto D, Norton S, Tomasini L, Amiri A, Suvakov M, Schreiner J, Jang Y, Panda A, Nguyen C, Cummings E, Han G, Powell K, Szekely A, McPartland J, Pelphrey K, Chawarska K, Ventola P, Abyzov A, Vaccarino F. Modeling idiopathic autism in forebrain organoids reveals an imbalance of excitatory cortical neuron subtypes during early neurogenesis. Nature Neuroscience 2023, 26: 1505-1515. PMID: 37563294, PMCID: PMC10573709, DOI: 10.1038/s41593-023-01399-0.Peer-Reviewed Original ResearchConceptsIdiopathic autism spectrum disorderCortical neuron subtypesAutism spectrum disorderEarly cortical developmentCortical organoidsCortical plateExcitatory neuronsCortical developmentRare formNeuron subtypesUnaffected fatherASD pathogenesisForebrain organoidsEarly neurogenesisRare variantsIdiopathic autismRisk genesTranscriptomic alterationsNeuronsProbandsSingle-cell transcriptomicsForebrain developmentSpectrum disorderTranscriptomic changesAlterationsEfficient 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 cellsGenomeLineagesZygotesLinesFibroblastsCells
2022
Correction: All2: A tool for selecting mosaic mutations from comprehensive multi-cell comparisons
Sarangi V, Jang Y, Suvakov M, Bae T, Fasching L, Sekar S, Tomasini L, Mariani J, Vaccarino F, Abyzov A. Correction: All2: A tool for selecting mosaic mutations from comprehensive multi-cell comparisons. PLOS Computational Biology 2022, 18: e1010703. PMID: 36378632, PMCID: PMC9665359, DOI: 10.1371/journal.pcbi.1010703.Peer-Reviewed Original ResearchAll2: A tool for selecting mosaic mutations from comprehensive multi-cell comparisons
Sarangi V, Jang Y, Suvakov M, Bae T, Fasching L, Sekar S, Tomasini L, Mariani J, Vaccarino FM, Abyzov A. All2: A tool for selecting mosaic mutations from comprehensive multi-cell comparisons. PLOS Computational Biology 2022, 18: e1009487. PMID: 35442945, PMCID: PMC9060341, DOI: 10.1371/journal.pcbi.1009487.Peer-Reviewed Original Research
2021
Comprehensive identification of somatic nucleotide variants in human brain tissue
Wang Y, Bae T, Thorpe J, Sherman MA, Jones AG, Cho S, Daily K, Dou Y, Ganz J, Galor A, Lobon I, Pattni R, Rosenbluh C, Tomasi S, Tomasini L, Yang X, Zhou B, Akbarian S, Ball LL, Bizzotto S, Emery SB, Doan R, Fasching L, Jang Y, Juan D, Lizano E, Luquette LJ, Moldovan JB, Narurkar R, Oetjens MT, Rodin RE, Sekar S, Shin JH, Soriano E, Straub RE, Zhou W, Chess A, Gleeson JG, Marquès-Bonet T, Park PJ, Peters MA, Pevsner J, Walsh CA, Weinberger DR, Vaccarino F, Moran J, Urban A, Kidd J, Mills R, Abyzov A. Comprehensive identification of somatic nucleotide variants in human brain tissue. Genome Biology 2021, 22: 92. PMID: 33781308, PMCID: PMC8006362, DOI: 10.1186/s13059-021-02285-3.Peer-Reviewed Original ResearchConceptsSomatic SNVsSomatic single nucleotide variantsWhole-genome sequencing dataSequencing dataBulk DNA samplesCell lineage treesSomatic mosaicismSingle nucleotide variantsLineage treesSomatic nucleotide variantsCellular processesDNA replicationHuman genomeSomatic tissuesDNA repairNucleotide variantsComprehensive identificationDNA samplesMosaic variantsNon-cancerous tissuesDNASingle individualMultiple replicatesHuman brain tissueVariantsEarly developmental asymmetries in cell lineage trees in living individuals
Fasching L, Jang Y, Tomasi S, Schreiner J, Tomasini L, Brady MV, Bae T, Sarangi V, Vasmatzis N, Wang Y, Szekely A, Fernandez TV, Leckman JF, Abyzov A, Vaccarino FM. Early developmental asymmetries in cell lineage trees in living individuals. Science 2021, 371: 1245-1248. PMID: 33737484, PMCID: PMC8324008, DOI: 10.1126/science.abe0981.Peer-Reviewed Original Research