2021
Embryology outcomes after oocyte vitrification with super-cooled slush nitrogen are similar to outcomes with conventional liquid nitrogen: a randomized controlled trial
Hanson BM, Kim JG, Suarez SI, Ackerman BK, Comito CE, Pangasnan R, Seli E, Hong KH, Scott RT. Embryology outcomes after oocyte vitrification with super-cooled slush nitrogen are similar to outcomes with conventional liquid nitrogen: a randomized controlled trial. Fertility And Sterility 2021, 117: 106-114. PMID: 34654569, DOI: 10.1016/j.fertnstert.2021.08.043.Peer-Reviewed Original ResearchConceptsMetaphase II oocytesEmbryology outcomesOocyte survivalII oocytesOocyte donor cyclesOocyte survival ratePreimplantation genetic testingBlastocyst formationWhole chromosome aneuploidyChromosome aneuploidySecondary outcomesPrimary outcomeDonor cyclesDonor oocytesRate of fertilizationMAIN OUTCOMESurvival rateOocyte vitrificationTrophectoderm biopsyGenetic testingDonor spermPrivate practiceNext-generation sequencingOutcomesDemonstrable improvement
2020
Developmental potential of aneuploid human embryos cultured beyond implantation
Shahbazi MN, Wang T, Tao X, Weatherbee BAT, Sun L, Zhan Y, Keller L, Smith GD, Pellicer A, Scott RT, Seli E, Zernicka-Goetz M. Developmental potential of aneuploid human embryos cultured beyond implantation. Nature Communications 2020, 11: 3987. PMID: 32778678, PMCID: PMC7418029, DOI: 10.1038/s41467-020-17764-7.Peer-Reviewed Original ResearchMeSH KeywordsAneuploidyAntigens, CDCadherinsCell AdhesionCell Cycle CheckpointsCell LineageChromosome SegregationChromosomes, Human, Pair 16Chromosomes, Human, Pair 21Embryo ImplantationEmbryo, MammalianEmbryonic DevelopmentFemaleGenes, erbB-1Genetic TestingHumansMonosomyMosaicismPregnancyStem CellsTrisomyConceptsEarly pregnancy lossAneuploid human embryosPre-implantation genetic testingHuman embryosPost-implantation developmentTrisomy 16 embryosPregnancy lossCell cycle arrestGenetic testingTrisomy 15Major causeCases of mosaicismCycle arrestE-cadherinTrisomy 21 embryosProtein E-cadherinHigh rateCommon aneuploidiesStem cellsPremature differentiationAbnormal numberAneuploidyCell adhesion protein E-cadherinDevelopmental potentialArrestAnalysis of accessible chromatin landscape in the inner cell mass and trophectoderm of human blastocysts
Yang M, Tao X, Titus S, Zhao T, Scott RT, Seli E. Analysis of accessible chromatin landscape in the inner cell mass and trophectoderm of human blastocysts. Molecular Human Reproduction 2020, 26: 702-711. PMID: 32663300, DOI: 10.1093/molehr/gaaa048.Peer-Reviewed Original ResearchConceptsInner cell massHuman preimplantation embryosEpigenetic regulationPreimplantation embryosCell lineage specificationChromatin accessibility landscapeAccessible chromatin landscapePreimplantation human blastocystsEarly embryonic developmentTranscription start siteCell massEarly embryo developmentHuman blastocystsDistal regionChromatin landscapeAccessible chromatinLineage specificationChromatin structureLow DNA inputATAC-seqTrophectoderm differentiationChromosome reorganizationAccessibility landscapeHuman embryonic materialEmbryonic development
2019
Mitofusin 2 plays a role in oocyte and follicle development, and is required to maintain ovarian follicular reserve during reproductive aging
Zhang M, Bener MB, Jiang Z, Wang T, Esencan E, Scott R, Horvath T, Seli E. Mitofusin 2 plays a role in oocyte and follicle development, and is required to maintain ovarian follicular reserve during reproductive aging. Aging 2019, 11: 3919-3938. PMID: 31204316, PMCID: PMC6628992, DOI: 10.18632/aging.102024.Peer-Reviewed Original ResearchConceptsMitofusin 2Key regulatory proteinsImpaired oocyte maturationFollicle developmentMitochondrial fusionRegulatory proteinsEndoplasmic reticulumMitochondrial dysfunctionTargeted deletionOocyte maturationOocytesReproductive agingFemale subfertilityOocyte qualityOvarian follicular reserveTelomeresMitochondriaMetabolic milieuProteinReticulumDeletionFusionPhenotypeApoptosisMaturationTranslational 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 mechanismOocytesActivationMaturationTranscription
2018
Metabolic imaging with the use of fluorescence lifetime imaging microscopy (FLIM) accurately detects mitochondrial dysfunction in mouse oocytes
Sanchez T, Wang T, Pedro MV, Zhang M, Esencan E, Sakkas D, Needleman D, Seli E. Metabolic imaging with the use of fluorescence lifetime imaging microscopy (FLIM) accurately detects mitochondrial dysfunction in mouse oocytes. Fertility And Sterility 2018, 110: 1387-1397. PMID: 30446247, PMCID: PMC6289735, DOI: 10.1016/j.fertnstert.2018.07.022.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedComputer SystemsEmbryo Culture TechniquesEmbryo, MammalianEmbryonic DevelopmentEndopeptidase ClpFemaleFlavin-Adenine DinucleotideFluorescenceMaleMaternal AgeMiceMice, Inbred C57BLMice, KnockoutMicroscopy, FluorescenceMitochondriaMolecular ImagingNADOocytesReactive Oxygen SpeciesConceptsBlastocyst development rateOocyte dysfunctionReactive oxygen species levelsFlavin adenine dinucleotide (FAD) autofluorescenceMetabolic dysfunctionOxygen species levelsYoung miceMetabolic parametersOld miceMAIN OUTCOMEGlobal knockoutDysfunctionNoninvasive toolNormal oocytesMetabolic imagingMitochondrial dysfunctionMiceOld oocytesFLIM parametersROS levelsMetabolic differencesMitochondrial functionNicotinamide adenine dinucleotide dehydrogenaseIndividual oocytesWild-type oocytesMetabolism of the oocyte and the preimplantation embryo
Scott R, Zhang M, Seli E. Metabolism of the oocyte and the preimplantation embryo. Current Opinion In Obstetrics & Gynecology 2018, 30: 163-170. PMID: 29708901, DOI: 10.1097/gco.0000000000000455.Peer-Reviewed Original ResearchMitochondrial unfolded protein response gene Clpp is required to maintain ovarian follicular reserve during aging, for oocyte competence, and development of pre‐implantation embryos
Wang T, Babayev E, Jiang Z, Li G, Zhang M, Esencan E, Horvath T, Seli E. Mitochondrial unfolded protein response gene Clpp is required to maintain ovarian follicular reserve during aging, for oocyte competence, and development of pre‐implantation embryos. Aging Cell 2018, 17: e12784. PMID: 29851234, PMCID: PMC6052477, DOI: 10.1111/acel.12784.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsEmbryonic DevelopmentEndopeptidase ClpFemaleMiceMice, KnockoutMitochondriaOocytesOvarian FollicleOvaryUnfolded Protein ResponseConceptsMitochondrial unfolded protein responseUnfolded mitochondrial proteinsCaseinolytic peptidase PAbsence of ClpPUnfolded protein responsePre-implantation embryosExpression of genesOocyte mitochondrial functionTwo-cell embryosProtein homeostasisMTOR inhibitor rapamycinMitochondrial proteinsOocyte competenceClpPProtein responseInhibitor rapamycinMitochondrial functionP-Akt473P-S6KOvarian follicular reserveSmall mitochondriaMTOR pathway activationPathway activationEmbryosP-S6
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 acidsXenopusEmbryosMRNAOocytesCumulus and granulosa cell markers of oocyte and embryo quality
Uyar A, Torrealday S, Seli E. Cumulus and granulosa cell markers of oocyte and embryo quality. Fertility And Sterility 2013, 99: 979-997. PMID: 23498999, PMCID: PMC3866131, DOI: 10.1016/j.fertnstert.2013.01.129.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersCumulus CellsEmbryonic DevelopmentFemaleFertilization in VitroGene Expression ProfilingGenetic MarkersGranulosa CellsHumansOocytesPregnancyConceptsQuantitative reverse transcriptase-polymerase chain reactionGranulosa cell gene expressionRelevant outcome parametersReverse transcriptase-polymerase chain reactionTranscriptase-polymerase chain reactionMural granulosa cellsGranulosa cell markersBiomarkers of oocyteClinical benefitOutcome parametersWhole genome expression profilingGranulosa cellsOocyte qualityEmbryo qualityCell markersFollicular cellsNoninvasive meansCell gene expressionGenome expression profilingChain reactionEmbryo competenceMultitude of studiesOocytesTranscriptomic profilingExpression profiling
2010
Receiver operating characteristic (ROC) analysis of day 5 morphology grading and metabolomic Viability Score on predicting implantation outcome
Seli E, Bruce C, Botros L, Henson M, Roos P, Judge K, Hardarson T, Ahlström A, Harrison P, Henman M, Go K, Acevedo N, Siques J, Tucker M, Sakkas D. Receiver operating characteristic (ROC) analysis of day 5 morphology grading and metabolomic Viability Score on predicting implantation outcome. Journal Of Assisted Reproduction And Genetics 2010, 28: 137-144. PMID: 21063765, PMCID: PMC3059520, DOI: 10.1007/s10815-010-9501-9.Peer-Reviewed Original ResearchMeSH KeywordsEmbryo ImplantationEmbryo, MammalianEmbryonic DevelopmentFemaleFertilization in VitroHumansMetabolomicsPregnancyPrognosisROC CurveSingle Embryo TransferConceptsSingle embryo transferFetal cardiac activityMorphologic gradingViability scoreWeeks of gestationPregnancy outcomesIVF outcomesIVF centerCharacteristic analysisMorphology gradingImplantation outcomesEmbryo transferDay 5ResultsThe areaConclusionsOur findingsPregnancyEmbryo culture medium samplesCardiac activityComposite scoreScoresCleavage rateOutcomesCulture medium samplesEmbryo morphologyGrading
2008
Noninvasive metabolomic profiling of embryo culture media using proton nuclear magnetic resonance correlates with reproductive potential of embryos in women undergoing in vitro fertilization
Seli E, Botros L, Sakkas D, Burns DH. Noninvasive metabolomic profiling of embryo culture media using proton nuclear magnetic resonance correlates with reproductive potential of embryos in women undergoing in vitro fertilization. Fertility And Sterility 2008, 90: 2183-2189. PMID: 18842260, DOI: 10.1016/j.fertnstert.2008.07.1739.Peer-Reviewed Original ResearchMeSH KeywordsBiomarkersCulture MediaEmbryo Culture TechniquesEmbryo ImplantationEmbryo TransferEmbryo, MammalianEmbryonic DevelopmentFemaleFertilization in VitroHumansLive BirthMagnetic Resonance SpectroscopyMetabolomicsPredictive Value of TestsPregnancyPregnancy RateProtonsRetrospective StudiesSensitivity and SpecificityTreatment OutcomeConceptsEmbryo culture mediumNoninvasive metabolomic profilingMetabolomic profilesMetabolomic profilingReproductive technology programViability indexNuclear magnetic resonance metabolomic profilingRetrospective studyART treatmentMAIN OUTCOMEReproductive outcomesCulture mediumDay 3NMR metabolomic profilesGlutamate concentrationMultivariate analysisPregnancy
2007
Noninvasive metabolomic profiling of embryo culture media using Raman and near-infrared spectroscopy correlates with reproductive potential of embryos in women undergoing in vitro fertilization
Seli E, Sakkas D, Scott R, Kwok SC, Rosendahl SM, Burns DH. Noninvasive metabolomic profiling of embryo culture media using Raman and near-infrared spectroscopy correlates with reproductive potential of embryos in women undergoing in vitro fertilization. Fertility And Sterility 2007, 88: 1350-1357. PMID: 17923129, DOI: 10.1016/j.fertnstert.2007.07.1390.Peer-Reviewed Original Research