2023
Modelling post-implantation human development to yolk sac blood emergence
Hislop J, Song Q, Keshavarz F. K, Alavi A, Schoenberger R, LeGraw R, Velazquez J, Mokhtari T, Taheri M, Rytel M, Chuva de Sousa Lopes S, Watkins S, Stolz D, Kiani S, Sozen B, Bar-Joseph Z, Ebrahimkhani M. Modelling post-implantation human development to yolk sac blood emergence. Nature 2023, 626: 367-376. PMID: 38092041, PMCID: PMC10849971, DOI: 10.1038/s41586-023-06914-8.Peer-Reviewed Original ResearchConceptsHuman embryosInduced pluripotent stem cellsLymphoid-like cellsStem cell modelPluripotent stem cellsPost-implantation stagesAmniotic cavityEarly post-implantation stagesHuman-based modelsStem cellsExtra-embryonic endodermHuman embryogenesisBlood formationDrug testingEarly haematopoiesisDisease modelsDisc morphologyHaematopoiesisEmbryonic tissuesCellular programmeCell modelPosterior domainSelf-patterning of human stem cells into post-implantation lineages
Pedroza M, Gassaloglu S, Dias N, Zhong L, Hou T, Kretzmer H, Smith Z, Sozen B. Self-patterning of human stem cells into post-implantation lineages. Nature 2023, 622: 574-583. PMID: 37369348, PMCID: PMC10584676, DOI: 10.1038/s41586-023-06354-4.Peer-Reviewed Original ResearchConceptsStem cellsPlacental cell typesPost-implantation embryonic developmentHuman pluripotent stem cellsPluripotent stem cellsHuman embryonic developmentEmbryonic developmentHuman stem cellsCongenital pathologyPost-implantation epiblastDiverse cell statesSingle-cell transcriptomicsAmniotic ectodermExtra-embryonic endodermSpontaneous differentiationSignaling hubThree-dimensional structureSecreted modulatorsCell types
2021
Machine learning-assisted high-content analysis of pluripotent stem cell-derived embryos in vitro
Guo J, Wang P, Sozen B, Qiu H, Zhu Y, Zhang X, Ming J, Zernicka-Goetz M, Na J. Machine learning-assisted high-content analysis of pluripotent stem cell-derived embryos in vitro. Stem Cell Reports 2021, 16: 1331-1346. PMID: 33891867, PMCID: PMC8185434, DOI: 10.1016/j.stemcr.2021.03.018.Peer-Reviewed Original Research
2020
BMP signalling is required for extra-embryonic ectoderm development during pre-to-post-implantation transition of the mouse embryo
Sozen B, Demir N, Zernicka-Goetz M. BMP signalling is required for extra-embryonic ectoderm development during pre-to-post-implantation transition of the mouse embryo. Developmental Biology 2020, 470: 84-94. PMID: 33217407, PMCID: PMC8219371, DOI: 10.1016/j.ydbio.2020.11.005.Peer-Reviewed Original ResearchConceptsBMP signalingEctoderm developmentNon-canonical mechanismMouse embryosMechanism of BMPMutant embryosGenetic studiesEarly embryogenesisSignaling pathwayPost-implantation developmentBMP activityTissue organisationStem cell populationStage in vitroSpatiotemporal controlUterine tissueEmbryosCell populationsBMPStem cellsSignalImplantationPost-implantationMiceMorphogenesis
2019
Self-Organization of Mouse Stem Cells into an Extended Potential Blastoid
Sozen B, Cox A, De Jonghe J, Bao M, Hollfelder F, Glover D, Zernicka-Goetz M. Self-Organization of Mouse Stem Cells into an Extended Potential Blastoid. Developmental Cell 2019, 51: 698-712.e8. PMID: 31846649, PMCID: PMC10291877, DOI: 10.1016/j.devcel.2019.11.014.Peer-Reviewed Original ResearchConceptsBlastocyst-like structuresStem cellsEmbryonic stem cellsEmbryonic-abembryonic axisTrophoblast stem cellsExtra-embryonic primitive endodermExtra-embryonic lineagesPrimitive endoderm differentiationMouse stem cellsTranscriptome profiling analysisEpiblast lineageMouse embryonic stem cellsMammalian blastocystCell lineagesPluripotent epiblastPluripotency conditionsFuture embryoPrimitive endodermEndoderm differentiationLineagesCells
2017
Assembly of embryonic and extraembryonic stem cells to mimic embryogenesis in vitro
Harrison S, Sozen B, Christodoulou N, Kyprianou C, Zernicka-Goetz M. Assembly of embryonic and extraembryonic stem cells to mimic embryogenesis in vitro. Science 2017, 356 PMID: 28254784, DOI: 10.1126/science.aal1810.Peer-Reviewed Original ResearchConceptsTrophoblast stem cellsStem cellsEmbryonic stem cellsGenetically modified stem cellsExtraembryonic stem cellsGerm cell markersPrimordial germ cell markersStem cell typesCell typesExpression of mesodermCell markersNatural embryoDevelopmental potentialExtraembryonic tissuesMouse embryonic stem cellsMammalian embryogenesisBMP signalingResponse to WntCellsCross-talkThree-dimensional scaffoldsEmbryosSelf-assembly in vitroCoordinated morphogenesis
2016
Differential expression pattern of Twist1 in mouse preimplantation embryos suggests its multiple roles during early development
Sozen B, Pehlivanoglu S, Demir N. Differential expression pattern of Twist1 in mouse preimplantation embryos suggests its multiple roles during early development. Journal Of Assisted Reproduction And Genetics 2016, 33: 1533-1540. PMID: 27544279, PMCID: PMC5125151, DOI: 10.1007/s10815-016-0794-1.Peer-Reviewed Original ResearchConceptsMouse preimplantation embryosInner cell massDouble immunofluorescence stainingCulture of embryosEarly embryo developmentExpression of Twist1Blastocyst developmentPreimplantation developmentPreimplantation embryosPresence of high glucoseEarly stages of embryosCells of embryosBlastocystImmunofluorescence stainingTwist-related protein 1Stages of embryosRegulation of TwistPurposeThe purposeUniform stainingLineage segregationTwist1 expressionProtein 1Protein levelsEmbryo developmentTwist1