2024
Mannose controls mesoderm specification and symmetry breaking in mouse gastruloids
Dingare C, Cao D, Yang J, Sozen B, Steventon B. Mannose controls mesoderm specification and symmetry breaking in mouse gastruloids. Developmental Cell 2024, 59: 1523-1537.e6. PMID: 38636516, DOI: 10.1016/j.devcel.2024.03.031.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBody PatterningCell DifferentiationDeoxyglucoseFrizzled ReceptorsGastrulaGene Expression Regulation, DevelopmentalGlycosylationMannoseMesodermMiceMouse Embryonic Stem CellsWnt Signaling PathwayConceptsMesoderm specificationFeatures of embryonic developmentWnt pathway regulationEarly mesoderm developmentProtein glycosylationPathway regulationProteomic analysisIntracellular recyclingMesoderm developmentEmbryonic developmentGlycolytic intermediatesMannoseGlucose transportCompetitive inhibitorGlycosylationGlucose removal
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
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 ResearchMeSH KeywordsAnimalsBlastocystCell DifferentiationCell LineageEmbryo ImplantationEmbryo, MammalianEmbryonic DevelopmentEndodermGene Expression Regulation, DevelopmentalMiceMouse Embryonic Stem CellsConceptsBlastocyst-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 differentiationLineagesCellsFoxO transcription factors 1 regulate mouse preimplantation embryo development
Kuscu N, Gungor-Ordueri N, Sozen B, Adiguzel D, Celik-Ozenci C. FoxO transcription factors 1 regulate mouse preimplantation embryo development. Journal Of Assisted Reproduction And Genetics 2019, 36: 2121-2133. PMID: 31396850, PMCID: PMC6823425, DOI: 10.1007/s10815-019-01555-1.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlastocystCell Cycle CheckpointsCell Cycle ProteinsEmbryonic DevelopmentFas Ligand ProteinFemaleForkhead Box Protein O1Forkhead Box Protein O3Forkhead Transcription FactorsGene Expression Regulation, DevelopmentalHumansMiceP21-Activated KinasesPregnancySirtuin 1Tumor Suppressor Protein p53ConceptsPreimplantation embryo developmentFOXO transcription factorsFas ligandTranscription factorsRelated proteinsProteins regulating apoptosisPreimplantation embryosCell cycle related proteinsCleaved caspase 3 proteinsCell cycle arrestDevelopmental competence of embryosEmbryo developmentMouse preimplantation embryo developmentApoptosis-related proteinsMouse embryosCaspase 3 proteinTwo-cell mouse embryosResveratrol treatmentCompetence of embryosHuman preimplantation embryosMouse preimplantation embryosFOXO genesDUTP nick end labeling assayNick end labeling assayKnockdown embryos
2018
Self-assembly of embryonic and two extra-embryonic stem cell types into gastrulating embryo-like structures
Sozen B, Amadei G, Cox A, Wang R, Na E, Czukiewska S, Chappell L, Voet T, Michel G, Jing N, Glover D, Zernicka-Goetz M. Self-assembly of embryonic and two extra-embryonic stem cell types into gastrulating embryo-like structures. Nature Cell Biology 2018, 20: 979-989. PMID: 30038254, DOI: 10.1038/s41556-018-0147-7.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell CommunicationCell DifferentiationCell LineCell LineageCell MovementCoculture TechniquesEmbryo, MammalianEndodermEpithelial-Mesenchymal TransitionGastrulationGene Expression Regulation, DevelopmentalGestational AgeMiceMouse Embryonic Stem CellsPhenotypeTranscriptomeTrophoblastsConceptsStem cell typesEpithelial-mesenchymal transitionStem cellsExtra-embryonic compartmentCell typesTrophoblast stem cellsEndoderm stem cellsEmbryonic stem cellsMammalian embryosSpatial transcriptomic analysisTrophoblastGene expression patternsGerm lineMiceGastrulating embryosEmbryo-like structures
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 ResearchMeSH KeywordsAnimalsBlastocystEmbryo ImplantationEmbryonic DevelopmentGene Expression Regulation, DevelopmentalHumansMiceNuclear ProteinsRNA, MessengerTwist-Related Protein 1ConceptsMouse 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
2015
CD90 and CD105 expression in the mouse ovary and testis at different stages of postnatal development
Tepekoy F, Ozturk S, Sozen B, Ozay R, Akkoyunlu G, Demir N. CD90 and CD105 expression in the mouse ovary and testis at different stages of postnatal development. Reproductive Biology 2015, 15: 195-204. PMID: 26679159, DOI: 10.1016/j.repbio.2015.10.004.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsEndoglinFemaleGene Expression Regulation, DevelopmentalImmunohistochemistryIntracellular Signaling Peptides and ProteinsMaleMiceMice, Inbred BALB CMice, Inbred C57BLOvaryTestisThy-1 AntigensConceptsExpression of CD90Postnatal developmentGerm cellsPostnatal dayCell typesSomatic cellsGerm cell compartmentMesenchymal stem cell markersStem cell markersStages of gonadal developmentStages of postnatal developmentExpression of CD105Female gonadal cellsMouse gonadsSertoli cellsPostnatal gonadsTesticular expressionMouse ovariesGonadal cellsCD105 expressionCell markersGonadal developmentAdult ovariesImmunohistochemical localizationCD105The p38 MAPK signalling pathway is required for glucose metabolism, lineage specification and embryo survival during mouse preimplantation development
Sozen B, Ozturk S, Yaba A, Demir N. The p38 MAPK signalling pathway is required for glucose metabolism, lineage specification and embryo survival during mouse preimplantation development. Cells And Development 2015, 138: 375-398. PMID: 26025760, DOI: 10.1016/j.mod.2015.05.002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlastocystBlastocyst Inner Cell MassCell DeathCell LineageEmbryonic DevelopmentFemaleGene Expression Regulation, DevelopmentalGlucoseGlucose Transporter Type 1Glucose Transporter Type 4ImidazolesMaleMAP Kinase Signaling SystemMiceMice, Inbred BALB CModels, BiologicalPregnancyProtein Kinase InhibitorsPyridinesRNA, MessengerConceptsPreimplantation developmentP38 mitogen-activated protein kinaseMitogen-activated protein kinaseLate preimplantation stagePreimplantation embryo developmentMouse preimplantation developmentExpression levelsEmbryo developmentEffect of p38 MAPK inhibitionExpression levels of NANOGEarly embryo developmentP38 MAPK inhibitionPresence of SB203580P38 MAPK signaling pathwayLevel of transcriptionIncreased cell deathSignal transduction pathwaysBlastocyst stageExpression levels of transcriptsLevels of NanogP38 MAPK pathwayPreimplantation stagesLevels of GLUT1Expression levels of Glut1MAPK signaling pathway
2014
Epab and Pabpc1 are differentially expressed in the postnatal mouse ovaries
Ozturk S, Sozen B, Demir N. Epab and Pabpc1 are differentially expressed in the postnatal mouse ovaries. Journal Of Assisted Reproduction And Genetics 2014, 32: 137-146. PMID: 25370180, PMCID: PMC4294878, DOI: 10.1007/s10815-014-0362-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEmbryonic DevelopmentFemaleGene Expression Regulation, DevelopmentalHumansMiceOocytesOogenesisOvarian FolliclePoly(A)-Binding Protein IPoly(A)-Binding ProteinsConceptsPostnatal mouse ovariesCumulus-oocyte complexesMouse ovariesPABPC1 genePrepubertal ovariesGranulosa cellsGerm cellsPrepubertal mouse ovariesEarly preimplantation embryosOvarian follicle countsCytoplasm of oocytesRNA in situ hybridizationReal-time polymerase chain reactionVertebrate germ cellsExpression levelsMII oocytesOocyte complexesPostnatal ovaryCumulus cellsPreimplantation embryosFollicle countPABPC1 expressionQuantitative real-time polymerase chain reactionPolymerase chain reactionFollicular stageCell fate regulation during preimplantation development: A view of adhesion-linked molecular interactions
Sozen B, Can A, Demir N. Cell fate regulation during preimplantation development: A view of adhesion-linked molecular interactions. Developmental Biology 2014, 395: 73-83. PMID: 25176042, DOI: 10.1016/j.ydbio.2014.08.028.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlastocystCell CommunicationCell LineageGene Expression Regulation, DevelopmentalHumansMiceModels, BiologicalModels, GeneticSignal TransductionConceptsCell fate regulationEarly mammalian embryoFate regulationCell fate specificationMammalian embryosJunctional complexesEvaluate transcriptional differencesTranscriptional networksFate specificationCell polarityIntercellular junctional complexesPreimplantation developmentCellular diversificationTranscriptional differencesDiversification processEmbryonic lineagesEarly embryosCell adhesionDevelopmental processesEarly morphogenesisLineage commitmentIdentical cellsCell positionMolecular interactionsCellsSuperovulation alters embryonic poly(A)-binding protein (Epab) and poly(A)-binding protein, cytoplasmic 1 (Pabpc1) gene expression in mouse oocytes and early embryos
Ozturk S, Yaba-Ucar A, Sozen B, Mutlu D, Demir N. Superovulation alters embryonic poly(A)-binding protein (Epab) and poly(A)-binding protein, cytoplasmic 1 (Pabpc1) gene expression in mouse oocytes and early embryos. Reproduction Fertility And Development 2014, 28: 375-383. PMID: 25034140, DOI: 10.1071/rd14106.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlastocystCells, CulturedChorionic GonadotropinDose-Response Relationship, DrugEmbryo Culture TechniquesFemaleFertility Agents, FemaleGene Expression Regulation, DevelopmentalGonadotropins, EquineMice, Inbred BALB COocytesOvulation InductionPoly(A)-Binding Protein IPoly(A)-Binding ProteinsSuperovulationTime FactorsConceptsEmbryonic poly(A)-binding proteinPregnant mare serum gonadotropinHuman chorionic gonadotrophinEarly embryo developmentAssisted reproductive technologyMII oocytesFemale miceAdministered to female miceGerminal vesicleOocyte maturationEmbryo developmentIncreased postimplantation lossDose of gonadotropinsCycling female miceDecreased implantation rateQuality of oocytesImpaired oocyte maturationGene expressionExperimental animal studiesEffects of superovulationReverse transcription-polymerase chain reactionPoly(A)-binding proteinPotential risk factorsTranscription-polymerase chain reactionImplantation rate
2012
Epab and Pabpc1 Are Differentially Expressed During Male Germ Cell Development
Ozturk S, Guzeloglu-Kayisli O, Demir N, Sozen B, Ilbay O, Lalioti MD, Seli E. Epab and Pabpc1 Are Differentially Expressed During Male Germ Cell Development. Reproductive Sciences 2012, 19: 911-922. PMID: 22814100, PMCID: PMC4046314, DOI: 10.1177/1933719112446086.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornGene Expression Regulation, DevelopmentalMaleMiceMice, Inbred C57BLPoly(A)-Binding Protein IPoly(A)-Binding ProteinsSpermatogenesisSpermatozoaTestisConceptsRound spermatidsGene expressionMale germ cell developmentGerm cell developmentPABPC1 expressionTranslational regulationCytoplasmic polyadenylationPosttranscriptional mechanismsPABPC1Key proteinsCell developmentEPABSpatial expressionMature testesMouse testisMessenger RNASpermatogenic cellsTail lengthProteinSpermatocytesExpressionSpermatogoniaTestisEarly postnatal lifePolyadenylation