2023
Shifting early embryology paradigms: Applications of stem cell-based embryo models in bioengineering
Abel A, Sozen B. Shifting early embryology paradigms: Applications of stem cell-based embryo models in bioengineering. Current Opinion In Genetics & Development 2023, 81: 102069. PMID: 37392541, PMCID: PMC10530566, DOI: 10.1016/j.gde.2023.102069.Peer-Reviewed Original Research
2022
Carnegie in 4D? Stem-cell-based models of human embryo development
Sozen B, Conkar D, Veenvliet J. Carnegie in 4D? Stem-cell-based models of human embryo development. Seminars In Cell And Developmental Biology 2022, 131: 44-57. PMID: 35701286, DOI: 10.1016/j.semcdb.2022.05.023.Peer-Reviewed Original ResearchConceptsEmbryo developmentMouse in vitro modelsHuman embryo developmentHuman pluripotent stem cellsPluripotent stem cellsModels of embryo developmentHuman developmentInvestigation of embryogenesisHuman embryosStem cellsPrimate embryosIn vitro approachesIn vitroMammalian embryogenesisIn vitro platformMammalian developmentMiceEmbryosNatural embryoGastrulation stageCellsTranscriptional regulationOver-relianceFetusesUtero
2021
Human embryo polarization requires PLC signaling to mediate trophectoderm specification
Zhu M, Shahbazi M, Martin A, Zhang C, Sozen B, Borsos M, Mandelbaum RS, Paulson RJ, Mole MA, Esbert M, Titus S, Scott RT, Campbell A, Fishel S, Gradinaru V, Zhao H, Wu K, Chen ZJ, Seli E, de los Santos MJ, Goetz M. Human embryo polarization requires PLC signaling to mediate trophectoderm specification. ELife 2021, 10: e65068. PMID: 34569938, PMCID: PMC8514238, DOI: 10.7554/elife.65068.Peer-Reviewed Original ResearchMeSH KeywordsActinsAdultBody PatterningCell DifferentiationCell LineageCell PolarityEmbryo Culture TechniquesEmbryo, MammalianFemaleGATA3 Transcription FactorGene Expression Regulation, DevelopmentalGene Expression Regulation, EnzymologicHumansPhosphoinositide Phospholipase CPhospholipase C betaPregnancySignal TransductionTime FactorsYoung AdultConceptsApical domain formationInner cell massEmbryo polarizationPhospholipase CFirst lineage segregationApico-basal polarizationEight-cell stageLineage segregationMammalian developmentTrophectoderm specificationTE fateApical enrichmentApical accumulationDistinct lineagesApical domainApolar cellsPar complexPolarized cellsRNA interferenceMolecular mechanismsF-actinHuman embryosCell stageEmbryosDomain formationMachine 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
Inducible Stem-Cell-Derived Embryos Capture Mouse Morphogenetic Events In Vitro
Amadei G, Lau K, De Jonghe J, Gantner C, Sozen B, Chan C, Zhu M, Kyprianou C, Hollfelder F, Zernicka-Goetz M. Inducible Stem-Cell-Derived Embryos Capture Mouse Morphogenetic Events In Vitro. Developmental Cell 2020, 56: 366-382.e9. PMID: 33378662, PMCID: PMC7883308, DOI: 10.1016/j.devcel.2020.12.004.Peer-Reviewed Original ResearchConceptsEmbryonic stem cellsTrophoblast stem cellsDevelopment of mouse embryosStem cellsXEN cellsTranscription factor GATA4Extra-embryonic mesodermTs cellsExpressed GATA4Mouse embryosAnterior signaling centerAnterior-posterior patterningDevelopmental potentialExtra-embryonic endodermDefinitive endodermMouse gastrulaGATA4Morphogenetic eventsSignaling centersMorphogenic eventsEndodermal fateEmbryosCellsGastrulationEmbryo-like structuresThe dynamics of morphogenesis in stem cell-based embryology: Novel insights for symmetry breaking
Sozen B, Cornwall-Scoones J, Zernicka-Goetz M. The dynamics of morphogenesis in stem cell-based embryology: Novel insights for symmetry breaking. Developmental Biology 2020, 474: 82-90. PMID: 33333067, PMCID: PMC8259461, DOI: 10.1016/j.ydbio.2020.12.005.Peer-Reviewed Original ResearchConceptsSignaling gradientsMorphogen signaling gradientsAnteroposterior axis specificationMammalian embryosBody planAxis specificationSymmetry breakingModel of embryogenesisEmbryonic symmetryEmbryonic cellsPatterns in vivoMolecular processesAdult organismBiochemical mechanismsDynamics of morphogenesisEmbryogenesisIn vitro modelEmbryosModel systemIn vitroCritical processCellsMorphogenMorphogenesisStem cellsBMP 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
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
2014
Unfolded protein response prevents blastocyst formation during preimplantation embryo development in vitro
Basar M, Bozkurt I, Guzeloglu-Kayisli O, Sozen B, Tekmen I, Schatz F, Arici A, Lockwood CJ, Kayisli UA. Unfolded protein response prevents blastocyst formation during preimplantation embryo development in vitro. Fertility And Sterility 2014, 102: 1777-1784. PMID: 25305729, DOI: 10.1016/j.fertnstert.2014.09.004.Peer-Reviewed Original ResearchConceptsUnfolded protein responseProtein responseBlastocyst formationEmbryo developmentActivation of UPRPreimplantation embryo developmentTM treatmentBlastocyst developmentEffect of tunicamycinEndoplasmic reticulum stressEmbryonic developmentER stressCell embryosNuclear fragmentationMorphological differencesImmunoglobulin proteinBlastocyst stageReticulum stressTunicamycinDevelopment ratePregnant mare serum gonadotropinBlastocyst development rateProtein-1 mRNA expressionNongenomic mechanismsEmbryos