2024
Addition of rapamycin or co-culture with cumulus cells from younger reproductive age women does not improve rescue in vitro oocyte maturation or euploidy rates in older reproductive age women
Esbert M, Tao X, Ballesteros A, Yildirim R, Scott R, Seli E. Addition of rapamycin or co-culture with cumulus cells from younger reproductive age women does not improve rescue in vitro oocyte maturation or euploidy rates in older reproductive age women. Molecular Human Reproduction 2024, 30: gaad048. PMID: 38180884, DOI: 10.1093/molehr/gaad048.Peer-Reviewed Original ResearchReproductive-age womenEuploidy rateCumulus cellsAutologous cumulus cellsAge womenReproductive ageRescue IVMOlder womenYoung donorsYoung reproductive age womenYoung womenOlder reproductive age womenOocyte maturationMetaphase II oocytesGerminal vesicle stage oocytesPolar bodyMaternal ageEuploid oocytesFirst polar bodyAddition of rapamycinHours of cultureII oocytesWomenCytogenetic constitutionRapamycin
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
Mitochondrial Stress Response Gene Clpp Is Not Required for Granulosa Cell Function
Esencan E, Cozzolino M, Imamoglu G, Seli E. Mitochondrial Stress Response Gene Clpp Is Not Required for Granulosa Cell Function. Antioxidants 2020, 10: 1. PMID: 33374937, PMCID: PMC7821922, DOI: 10.3390/antiox10010001.Peer-Reviewed Original ResearchMitochondrial unfolded protein responseUnfolded mitochondrial proteinsLoss of ClpPGerminal vesicleUnfolded protein responseCell functionCumulus cell functionGranulosa/cumulus cellsMitochondrial proteinsClpP deletionClpPProtein responseGermline deletionMetabolic stressGranulosa cell functionDeletionUPRCumulus cellsMice resultsSimilar numberMII oocytesFemale miceWild-type miceEarly antralCellsShorter telomere length of white blood cells is associated with higher rates of aneuploidy among infertile women undergoing in vitro fertilization
Hanson BM, Tao X, Zhan Y, Kim JG, Klimczak AM, Herlihy NS, Scott RT, Seli E. Shorter telomere length of white blood cells is associated with higher rates of aneuploidy among infertile women undergoing in vitro fertilization. Fertility And Sterility 2020, 115: 957-965. PMID: 33272640, DOI: 10.1016/j.fertnstert.2020.09.164.Peer-Reviewed Original ResearchConceptsWhite blood cellsPatient ageInfertile womenCumulus cellsBlood cellsEmbryonic aneuploidyPeak estradiol levelsAntimüllerian hormone levelsProspective cohort studyTelomere lengthNumber of oocytesShorter telomere lengthReal-time polymerase chain reactionQuantitative real-time polymerase chain reactionHigh rateWarrants further investigationTelomere length assessmentSignificant overlap existsCohort studyOocyte retrievalSingle centerEstradiol levelsInfertile populationMaternal agePolymerase chain reactionYoung women with poor ovarian response exhibit epigenetic age acceleration based on evaluation of white blood cells using a DNA methylation-derived age prediction model
Hanson BM, Tao X, Zhan Y, Jenkins TG, Morin SJ, Scott RT, Seli EU. Young women with poor ovarian response exhibit epigenetic age acceleration based on evaluation of white blood cells using a DNA methylation-derived age prediction model. Human Reproduction 2020, 35: 2579-2588. PMID: 33049778, DOI: 10.1093/humrep/deaa206.Peer-Reviewed Original ResearchConceptsPoor ovarian responseWhite blood cellsPolycystic ovary syndromeOvarian responseOvarian stimulationChronologic ageWBC samplesEpigenetic age accelerationCumulus cellsAge accelerationYoung womenSTUDY FUNDING/COMPETINGBlood cellsProspective cohort studyGood responder groupCommon clinical challengePeripheral blood samplesPARTICIPANTS/MATERIALSROLE OF CHANCEYears of agePatient's chronologic ageGeneral health consequencesCC samplesAge-related changesAge prediction modelImpaired 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
Cumulus cells have longer telomeres than leukocytes in reproductive-age women
Lara-Molina EE, Franasiak JM, Marin D, Tao X, Díaz-Gimeno P, Florensa M, Martin M, Seli E, Pellicer A. Cumulus cells have longer telomeres than leukocytes in reproductive-age women. Fertility And Sterility 2019, 113: 217-223. PMID: 31594634, DOI: 10.1016/j.fertnstert.2019.08.089.Peer-Reviewed Original ResearchConceptsLeukocyte telomere lengthGranulosa cellsCumulus cellsTelomere lengthAssisted reproductive technology centerRelative leukocyte telomere lengthProspective noninterventional studyAntimüllerian hormone levelsAntral follicle countReproductive-age womenReproductive technology centerLonger telomeresNoninterventional studyFollicle countMean ageHormone levelsFollicular environmentMAIN OUTCOMEMature folliclesStudy subjectsSignificant associationFollicular cellsMean numberMature oocytesSignificant differences
2018
DNA methylation-based age prediction and telomere length in white blood cells and cumulus cells of infertile women with normal or poor response to ovarian stimulation
Morin SJ, Tao X, Marin D, Zhan Y, Landis J, Bedard J, Scott RT, Seli E. DNA methylation-based age prediction and telomere length in white blood cells and cumulus cells of infertile women with normal or poor response to ovarian stimulation. Aging 2018, 10: 3761-3773. PMID: 30530921, PMCID: PMC6326671, DOI: 10.18632/aging.101670.Peer-Reviewed Original ResearchConceptsChronologic agePremature reproductive agingReproductive-age womenWhite blood cellsOvarian stimulationInfertile womenOvarian responsePatient ageInfertile patientsAge womenPoor responseFollicular somatic cellsReproductive agingFertility treatmentCumulus cellsBlood cellsTelomere lengthAgeWomenPatientsStimulationWBCFemale ageRiskReproductive senescence
2015
Embryonic Poly(A)-Binding Protein (EPAB) Is Required for Granulosa Cell EGF Signaling and Cumulus Expansion in Female Mice
Yang CR, Lowther KM, Lalioti MD, Seli E. Embryonic Poly(A)-Binding Protein (EPAB) Is Required for Granulosa Cell EGF Signaling and Cumulus Expansion in Female Mice. Endocrinology 2015, 157: 405-416. PMID: 26492470, PMCID: PMC4701890, DOI: 10.1210/en.2015-1135.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Morphogenetic Protein 15Cell ProliferationCells, CulturedCoculture TechniquesCumulus CellsEpidermal Growth FactorErbB ReceptorsFemaleGranulosa CellsGrowth Differentiation Factor 9Luteinizing HormoneMAP Kinase Signaling SystemMice, KnockoutOocytesPhosphorylationPoly(A)-Binding ProteinsProtein Processing, Post-TranslationalReceptors, LHSignal TransductionConceptsEpidermal growth factorZygotic genome activationP90 ribosomal S6 kinaseBone morphogenetic protein 15Cumulus cellsRibosomal S6 kinaseImpaired oocyte maturationCumulus expansionGrowth differentiation factor 9Genome activationDifferentiation factor 9S6 kinaseEarly embryosTranslational activationEGF signalingEGF receptorFemale micePhosphorylated MEK1/2EGF treatmentBinding proteinFactor 9Cells exhibitOocyte maturationProteinProtein 15Poor 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 ResearchConceptsIVF-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
Characterization 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 ResearchConceptsGranulosa/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
2010
Identification and in Vitro Characterization of Follicle Stimulating Hormone (FSH) Receptor Variants Associated with Abnormal Ovarian Response to FSH
Gerasimova T, Thanasoula MN, Zattas D, Seli E, Sakkas D, Lalioti MD. Identification and in Vitro Characterization of Follicle Stimulating Hormone (FSH) Receptor Variants Associated with Abnormal Ovarian Response to FSH. The Journal Of Clinical Endocrinology & Metabolism 2010, 95: 529-536. PMID: 20061434, PMCID: PMC2840851, DOI: 10.1210/jc.2009-1304.Peer-Reviewed Original ResearchConceptsOvarian responseFSH receptorFSHR mRNAAbnormal ovarian responseOvarian stimulation protocolsForms of infertilityOocytes of womenExtracellular ligand-binding portionHormone receptor variantsOvarian hyperstimulationOvarian stimulationFSHR variantsPoor responseInfertility treatmentT cellsStimulation protocolFollicle growthFSHFertility clinicsCAMP activationCumulus cellsReceptor variantsGenetic causeRT-PCRWomen