2021
Cumulus cells of euploid versus whole chromosome 21 aneuploid embryos reveal differentially expressed genes
Tiegs AW, Titus S, Mehta S, Garcia-Milian R, Seli E, Scott RT. Cumulus cells of euploid versus whole chromosome 21 aneuploid embryos reveal differentially expressed genes. Reproductive BioMedicine Online 2021, 43: 614-626. PMID: 34417138, DOI: 10.1016/j.rbmo.2021.06.015.Peer-Reviewed Original ResearchConceptsSerum response factorCumulus cellsDifferential gene expressionRNA sequencing analysisGene expression analysisIngenuity Pathway AnalysisCellular communication network factor 1Embryo developmental competenceExpression analysisPreimplantation embryo qualityGene expressionPathway analysisSegment polarity protein 2Sequencing analysisGenesProtein 2Response factorTrisomy 21Factor 1Developmental competenceAneuploid embryosReal-time polymerase chain reaction assaysDevelopment of biomarkersEmbryosCells
2020
Impaired Mitochondrial Stress Response due to CLPP Deletion Is Associated with Altered Mitochondrial Dynamics and Increased Apoptosis in Cumulus Cells
Esencan E, Jiang Z, Wang T, Zhang M, Soylemez-Imamoglu G, Seli E. Impaired Mitochondrial Stress Response due to CLPP Deletion Is Associated with Altered Mitochondrial Dynamics and Increased Apoptosis in Cumulus Cells. Reproductive Sciences 2020, 27: 621-630. PMID: 31939198, DOI: 10.1007/s43032-019-00063-y.Peer-Reviewed Original ResearchConceptsCaseinolytic peptidase PCumulus cell functionClpP deletionMitochondrial unfolded protein responseMitochondrial stress responseCumulus cellsUnfolded protein responseRNA sequencing analysisAltered mitochondrial dynamicsCell functionProtein homeostasisMitochondrial dynamics genesCLPP resultsMitochondrial dynamicsDynamic genesPhagosome pathwayProtein responseCellular metabolismGene expressionWild typeStress responseCumulus oophorus complexesMitochondrial ultrastructureSequencing analysisApoptotic activity
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 ResearchConceptsTranslational activationBinding proteinSpecific protein complexesTranslation of mRNAsOocyte maturationCis-acting sequencesEarly embryo developmentProtein complexesXenopus modelEarly embryosKey regulatorGene expressionMolecular mechanismsEmbryo developmentTargeted disruptionMechanistic detailsProteinEarly developmentMRNAMice resultsKey mechanismOocytesActivationMaturationTranscriptionIn vitro fertilization and infertility do not cause a significant alteration in placental gene expression at the end of the first trimester
Marin D, Seli E. In vitro fertilization and infertility do not cause a significant alteration in placental gene expression at the end of the first trimester. Fertility And Sterility 2019, 111: 463-464. PMID: 30737004, DOI: 10.1016/j.fertnstert.2018.12.006.Peer-Reviewed Original Research
2014
The impact of assisted reproductive technologies on genomic imprinting and imprinting disorders
Uyar A, Seli E. The impact of assisted reproductive technologies on genomic imprinting and imprinting disorders. Current Opinion In Obstetrics & Gynecology 2014, 26: 210-221. PMID: 24752003, PMCID: PMC4123998, DOI: 10.1097/gco.0000000000000071.Peer-Reviewed Original ResearchConceptsRelevant clinical dataReproductive technology proceduresConclusive clinical trialsBeckwith-Wiedemann syndromeCase seriesLarge registriesClinical trialsART proceduresClinical dataHigh prevalenceGeneral populationLow prevalenceART usePotential associationGenomic imprintingGene expressionDisordersEarly embryo developmentReproductive technologiesAllele-specific gene expressionFurther studiesTechnology proceduresPrevalenceImprinted gene expressionImprinting disorders
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 ResearchConceptsZygotic 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 acidsXenopusEmbryosMRNAOocytes
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 ResearchConceptsRound 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) is required for oocyte maturation and female fertility in mice
Guzeloglu-Kayisli O, Lalioti MD, Aydiner F, Sasson I, Ilbay O, Sakkas D, Lowther KM, Mehlmann LM, Seli E. Embryonic poly(A)-binding protein (EPAB) is required for oocyte maturation and female fertility in mice. Biochemical Journal 2012, 446: 47-58. PMID: 22621333, PMCID: PMC3955213, DOI: 10.1042/bj20120467.Peer-Reviewed Original ResearchConceptsTranslational activationOocyte maturationZygotic genome activationFemale fertilityGenome activationGerminal vesicle stage oocytesDazl mRNAEarly embryogenesisMaternal mRNAsDownstream regulatorsMammalian reproductionGene expressionEPABStage oocytesXenopus oocytesEpidermal growthLate antral folliclesOogenesisMRNAOocytesMaturationProteinFemale miceCumulus expansionAntral follicles
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 ResearchConceptsZygotic 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 ResearchConceptsExonic 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
2005
An embryonic poly(A)-binding protein (ePAB) is expressed in mouse oocytes and early preimplantation embryos
Seli E, Lalioti MD, Flaherty SM, Sakkas D, Terzi N, Steitz JA. An embryonic poly(A)-binding protein (ePAB) is expressed in mouse oocytes and early preimplantation embryos. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 367-372. PMID: 15630085, PMCID: PMC544294, DOI: 10.1073/pnas.0408378102.Peer-Reviewed Original ResearchConceptsZygotic gene activationGene activationEarly embryosSomatic cellsTranslational activationGene expressionEmbryo developmentEarly preimplantation embryo developmentEarly Xenopus developmentEarly preimplantation embryosEight-cell stageEarly embryo developmentPreimplantation embryo developmentTwo-cell embryosCytoplasmic PABPMouse orthologXenopus developmentMammalian oocytesProphase ISomatic tissuesChromosome 2Preimplantation embryosEPABMouse oocytesOne-cell