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 formation
2019
Translational activation of maternally derived mRNAs in oocytes and early embryos and the role of embryonic poly(A) binding protein (EPAB)
Esencan E, Kallen A, Zhang M, Seli E. Translational activation of maternally derived mRNAs in oocytes and early embryos and the role of embryonic poly(A) binding protein (EPAB). Biology Of Reproduction 2019, 100: 1147-1157. PMID: 30806655, PMCID: PMC8127035, DOI: 10.1093/biolre/ioz034.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsEmbryonic DevelopmentFemaleGene Expression Regulation, DevelopmentalHumansMiceOocytesOogenesisPoly(A)-Binding ProteinsPolyadenylationProtein BiosynthesisRNA, Messenger, StoredXenopus laevisConceptsTranslational activationBinding proteinSpecific protein complexesTranslation of mRNAsOocyte maturationCis-acting sequencesEarly embryo developmentProtein complexesXenopus modelEarly embryosKey regulatorGene expressionMolecular mechanismsEmbryo developmentTargeted disruptionMechanistic detailsProteinEarly developmentMRNAMice resultsKey mechanismOocytesActivationMaturationTranscription
2015
Poor ovarian response in women undergoing in vitro fertilization is associated with altered microRNA expression in cumulus cells
Karakaya C, Guzeloglu-Kayisli O, Uyar A, Kallen AN, Babayev E, Bozkurt N, Unsal E, Karabacak O, Seli E. Poor ovarian response in women undergoing in vitro fertilization is associated with altered microRNA expression in cumulus cells. Fertility And Sterility 2015, 103: 1469-1476.e3. PMID: 25910568, PMCID: PMC5648585, DOI: 10.1016/j.fertnstert.2015.02.035.Peer-Reviewed Original ResearchMeSH KeywordsCell CountCells, CulturedCumulus CellsFemaleFertilization in VitroGene Expression Regulation, DevelopmentalHumansInfertility, FemaleMicroRNAsMiddle AgedOvulationOvulation InductionPregnancyYoung AdultConceptsIVF-intracytoplasmic sperm injectionMiR-21-5p expressionPoor respondersMiR-21-5pMiR-21-3pCumulus cellsHuman granulosa-like tumor cellsMicro-ribonucleic acid (miRNA) expressionMiR-21-3p expressionLower serum E2 levelsMiR-21Elevated expressionPoor ovarian responseSerum E2 levelsReverse transcription real-time polymerase chain reactionTranscription real-time polymerase chain reactionNumber of oocytesLower E2 concentrationsAcademic medical centerReal-time polymerase chain reactionRespective age groupsMicroRNA microarray analysisOvarian responseAltered miRNA expressionE2 levels
2013
Human embryonic poly(A)-binding protein (EPAB) alternative splicing is differentially regulated in human oocytes and embryos
Guzeloglu-Kayisli O, Lalioti MD, Babayev E, Torrealday S, Karakaya C, Seli E. Human embryonic poly(A)-binding protein (EPAB) alternative splicing is differentially regulated in human oocytes and embryos. Molecular Human Reproduction 2013, 20: 59-65. PMID: 24002949, DOI: 10.1093/molehr/gat061.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAmino Acid SequenceEmbryonic DevelopmentFemaleGene Expression Regulation, DevelopmentalHumansMolecular Sequence DataOocytesOogenesisOvulationPoly APoly(A)-Binding ProteinsProtein IsoformsRNA, MessengerTranscriptional ActivationConceptsZygotic genome activationEarly embryo developmentEarly embryosTranslational activationSomatic tissuesSpliced formsEmbryo developmentEmbryo-specific expressionPost-transcriptional mechanismsOocyte maturationHuman somatic tissuesFull-length formGenome activationExon 8Transcriptional regulationAlternative splicingTranscriptional activityGene expressionHuman oocytesEPABAmino acidsXenopusEmbryosMRNAOocytesNatural birth-induced UCP2 in brain development
Seli E, Horvath TL. Natural birth-induced UCP2 in brain development. Reviews In Endocrine And Metabolic Disorders 2013, 14: 347-350. PMID: 23979530, DOI: 10.1007/s11154-013-9262-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsBrainCesarean SectionFemaleGene Expression Regulation, DevelopmentalHumansIon ChannelsMiceMitochondrial ProteinsNatural ChildbirthPregnancyUncoupling Protein 2Up-RegulationConceptsVaginal birthPost-operative surgical careLong-term outcomesEarly postnatal periodWild-type littermatesAdult brain structureUCP2 mRNA expressionTerm outcomesSurgical techniqueSurgical carePostnatal periodSurgical meansHippocampal formationMore deliveriesSynapse formationAxonal outgrowthC-sectionKnockout animalsMRNA expressionUCP2 expressionBrain developmentBrain structuresNeuronal differentiationBirthHippocampusCharacterization of the Gonadotropin Releasing Hormone Receptor (GnRHR) Expression and Activity in the Female Mouse Ovary
Torrealday S, Lalioti MD, Guzeloglu-Kayisli O, Seli E. Characterization of the Gonadotropin Releasing Hormone Receptor (GnRHR) Expression and Activity in the Female Mouse Ovary. Endocrinology 2013, 154: 3877-3887. PMID: 23913446, PMCID: PMC3776864, DOI: 10.1210/en.2013-1341.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell LineCells, CulturedCumulus CellsEstradiolFemaleGene Expression Regulation, DevelopmentalGenes, ReporterGranulosa CellsMiceMice, Inbred C57BLOocytesOrgan SpecificityOvaryOvulationPituitary GlandReceptors, LHRHRNA, MessengerSignal TransductionConceptsGranulosa/cumulus cellsGranulosa cellsMouse ovariesReceptor expressionPrimary mouse granulosa cellsCumulus cellsPregnant mare serum gonadotropinIntracellular cAMPHormone receptor expressionGnRH receptor expressionCultured granulosa cellsOvarian granulosa cellsMouse granulosa cellsMechanism of actionGonadotoxic chemotherapyQuantitative RT-PCRGnRH agonistGnRHR mRNAFertility preservationMouse pituitary cellsLuciferase reporter plasmidSerum gonadotropinPituitary cell linePituitary cellsPituitary tissue
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 lifePolyadenylationEmbryonic poly(A)-binding protein (ePAB) phosphorylation is required for Xenopus oocyte maturation
Friend K, Brook M, Bezirci FB, Sheets MD, Gray NK, Seli E. Embryonic poly(A)-binding protein (ePAB) phosphorylation is required for Xenopus oocyte maturation. Biochemical Journal 2012, 445: 93-100. PMID: 22497250, PMCID: PMC3955212, DOI: 10.1042/bj20120304.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBlotting, WesternCytoplasmFemaleFluorescent Antibody TechniqueGene Expression Regulation, DevelopmentalImmunoprecipitationMutationOocytesOogenesisPhosphorylationPoly APoly(A)-Binding ProteinsPolyadenylationProtein BiosynthesisProtein Processing, Post-TranslationalRNA, MessengerXenopus laevisXenopus ProteinsConceptsCytoplasmic polyadenylationOocyte maturationPost-transcriptional regulatorsEarly embryonic developmentPost-translational modificationsXenopus oocyte maturationMaternal mRNAsProtein phosphorylationResidue clustersTranslational activationEmbryonic developmentXenopus laevis oocytesProtein activityPhosphorylationFirst insightLaevis oocytesPolyadenylationInherent abilityEPABMaturationPhosphoproteinRegulatorMutationsMRNAOocytes
2008
Identification and characterization of human embryonic poly(A) binding protein (EPAB)
Guzeloglu-Kayisli O, Pauli S, Demir H, Lalioti MD, Sakkas D, Seli E. Identification and characterization of human embryonic poly(A) binding protein (EPAB). Molecular Human Reproduction 2008, 14: 581-588. PMID: 18716053, DOI: 10.1093/molehr/gan047.Peer-Reviewed Original ResearchMeSH KeywordsFemaleGene Expression Regulation, DevelopmentalHumansLiverMaleOocytesOogenesisOvaryPancreasPoly(A)-Binding Protein IPoly(A)-Binding ProteinsPolymerase Chain ReactionTestisThymus GlandConceptsZygotic genome activationBinding proteinGene expressionInitial mitotic divisionsAmino acid proteinTranslational regulatory pathwaysEarly embryo developmentGenome activationModel organismsTranscriptional silencingMaternal mRNAsEarly embryosTranslational activationCytoplasmic polyadenylationSomatic tissuesAcid proteinRegulatory pathwaysMitotic divisionEmbryo developmentEPABProteinMRNA activationXenopusEmbryosCentral roleAlternative splicing of the mouse embryonic poly(A) binding protein (Epab) mRNA is regulated by an exonic splicing enhancer: a model for post-transcriptional control of gene expression in the oocyte
Seli E, Yaba A, Guzeloglu-Kayisli O, Lalioti MD. Alternative splicing of the mouse embryonic poly(A) binding protein (Epab) mRNA is regulated by an exonic splicing enhancer: a model for post-transcriptional control of gene expression in the oocyte. Molecular Human Reproduction 2008, 14: 393-398. PMID: 18492745, PMCID: PMC2453241, DOI: 10.1093/molehr/gan028.Peer-Reviewed Original ResearchMeSH KeywordsAlternative SplicingAnimalsBlastocystExonsFemaleGene Expression Regulation, DevelopmentalMiceMice, Inbred C57BLOocytesPoly(A)-Binding ProteinsPolymorphism, Single NucleotideReverse Transcriptase Polymerase Chain ReactionRNA, MessengerTranscription, GeneticConceptsExonic splicing enhancersAlternative splicing variantsSingle nucleotide polymorphismsAlternative splicingSplicing variantsSplicing enhancersExon 10Post-transcriptional controlMRNA alternative splicingEarly preimplantation embryosOocyte-specific proteinRNA editingMaternal mRNAsEarly embryosMouse embryonicBinding protein mRNAReal-time RT-PCR resultsGene expressionPreimplantation embryosSpliced formsSame locusSequence analysisBinding proteinSplicingParental origin
2006
Metazoan oocyte and early embryo development program: a progression through translation regulatory cascades
Vasudevan S, Seli E, Steitz JA. Metazoan oocyte and early embryo development program: a progression through translation regulatory cascades. Genes & Development 2006, 20: 138-146. PMID: 16418480, DOI: 10.1101/gad.1398906.Peer-Reviewed Original ResearchAnimalsCarrier ProteinsCell Cycle ProteinsCytoplasmFemaleGene Expression Regulation, DevelopmentalHumansMaleModels, GeneticMRNA Cleavage and Polyadenylation FactorsOocytesPoly(A)-Binding ProteinsPolyadenylationProtein BiosynthesisRNA-Binding ProteinsRNA, Messenger, StoredTranscription FactorsXenopus laevisXenopus Proteins