2024
Disruption of mitochondrial unfolded protein response results in telomere shortening in mouse oocytes and somatic cells
Cozzolino M, Ergun Y, Ristori E, Garg A, Imamoglu G, Seli E. Disruption of mitochondrial unfolded protein response results in telomere shortening in mouse oocytes and somatic cells. Aging 2024, 16: 2047-2060. PMID: 38349865, PMCID: PMC10911389, DOI: 10.18632/aging.205543.Peer-Reviewed Original ResearchConceptsCaseinolytic peptidase PMitochondrial unfolded protein responseUnfolded protein responseTelomere integrityProtein responseGermline deletionSomatic cellsSomatic agingSomatic cell divisionDouble-stranded DNA breaksAged miceTelomere shorteningAssociated with cellular senescenceTelomeric regionsProtein homeostasisAccelerated follicular depletionChromosome stabilityCell divisionMtUPRDNA breaksTelomereAging phenotypesCellular senescenceFollicular depletionMouse oocytes
2020
Mitochondrial Dysfunction and Ovarian Aging
Kasapoğlu I, Seli E. Mitochondrial Dysfunction and Ovarian Aging. Endocrinology 2020, 161: bqaa001. PMID: 31927571, DOI: 10.1210/endocr/bqaa001.Peer-Reviewed Original Research
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 milieuProteinReticulumDeletionFusionPhenotypeApoptosisMaturationDiminished ovarian reserve versus ovarian aging: overlaps and differences.
Ata B, Seyhan A, Seli E. Diminished ovarian reserve versus ovarian aging: overlaps and differences. Current Opinion In Obstetrics & Gynecology 2019, 31: 139-147. PMID: 30870184, DOI: 10.1097/gco.0000000000000536.Peer-Reviewed Original ResearchConceptsNormal ovarian reserveOvarian reservePregnancy lossOocyte qualityReproductive technology cyclesAge-matched womenDiminished ovarian reserveLow ovarian reserveFetal chromosomal abnormalitiesQuantitative declineFecundity of womenOvarian stimulationNatural conceptionOvarian agingPoor responseART treatmentAged womenYoung womenChromosomal abnormalitiesAvailable evidenceDecreased numberQualitative declineOocyte poolWomenBlastocyst developmentMitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging
Seli E, Wang T, Horvath TL. Mitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging. Fertility And Sterility 2019, 111: 197-204. PMID: 30691623, DOI: 10.1016/j.fertnstert.2018.11.048.Peer-Reviewed Original ResearchConceptsMitochondrial unfolded protein responseTwo-cell embryo developmentUnfolded protein responseImpaired oocyte maturationMorphology of mitochondriaMitochondrial dysfunction resultsPremature reproductive agingNovel mechanistic insightsMitochondrial DNA contentReactive oxygen species productionPrevention of agingCLPP resultsProtein responseOxygen species productionReproductive agingPreimplantation embryosAge-related accumulationOxidative phosphorylationStress responseEmbryo developmentForm blastocystsMitochondrial functionMitochondriaMitochondrial dysfunctionEnergy metabolism
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 senescenceMitochondrial 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 ResearchConceptsMitochondrial 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
2017
Mitochondrial dysfunction and ovarian aging
Wang T, Zhang M, Jiang Z, Seli E. Mitochondrial dysfunction and ovarian aging. American Journal Of Reproductive Immunology 2017, 77 PMID: 28194828, DOI: 10.1111/aji.12651.Peer-Reviewed Original Research
2016
Reproductive aging is associated with changes in oocyte mitochondrial dynamics, function, and mtDNA quantity
Babayev E, Wang T, Szigeti-Buck K, Lowther K, Taylor HS, Horvath T, Seli E. Reproductive aging is associated with changes in oocyte mitochondrial dynamics, function, and mtDNA quantity. Maturitas 2016, 93: 121-130. PMID: 27523387, PMCID: PMC5064871, DOI: 10.1016/j.maturitas.2016.06.015.Peer-Reviewed Original ResearchConceptsReactive oxygen speciesUnfolded protein response genesProtein response genesMitochondrial DNAMitochondrial dynamicsMitochondrial stressResponse genesMammalian reproductionMitochondria morphologyStressful conditionsMitochondrial changesMitochondriaROS levelsMtDNA levelsElevated expressionMtDNA quantityOxygen speciesOocytesGenesMature oocytesNumerous aspectsExpressionReproductive agingMII oocytesFollicle-enclosed oocytes
2015
Ovarian Aging
Seli E. Ovarian Aging. Seminars In Reproductive Medicine 2015, 33: 375-376. PMID: 26565386, DOI: 10.1055/s-0035-1567817.Peer-Reviewed Original ResearchOocyte Cryopreservation as a Preventive Measure for Age-Related Fertility Loss
Cil AP, Turkgeldi L, Seli E. Oocyte Cryopreservation as a Preventive Measure for Age-Related Fertility Loss. Seminars In Reproductive Medicine 2015, 33: 429-435. PMID: 26562287, DOI: 10.1055/s-0035-1567819.Peer-Reviewed Original ResearchConceptsAge-related declineOocyte cryopreservationAge-related fertility lossGood ovarian reserveFertility preservation strategiesPublic health campaignsPreconceptional counselingOvarian reserveAdvanced ageHealth campaignsPreventive measuresHealth informationMedical professionalsLater stagesWomenYoung adolescentsPreservation strategiesPatientsFertility lossIncidencePublic awarenessStrategies for Controlled Ovarian Stimulation in the Setting of Ovarian Aging
Ata B, Seli E. Strategies for Controlled Ovarian Stimulation in the Setting of Ovarian Aging. Seminars In Reproductive Medicine 2015, 33: 436-448. PMID: 26562286, DOI: 10.1055/s-0035-1567818.Peer-Reviewed Original ResearchConceptsControlled ovarian stimulationOvarian agingOvarian stimulationPossible side effects profileShort GnRH agonist protocolGonadotropin-releasing hormone antagonistGnRH agonist protocolTotal gonadotropin consumptionIU/daySide effect profileCost of medicationsGrowth hormone supplementationHigh-quality evidenceTransdermal testosterone administrationDuration of stimulationQuality of oocytesAppropriate first choiceAgonist protocolCOS protocolsEstradiol primingGonadotropin consumptionGonadotropin dosageEffect profileHormone antagonistHormone supplementation
2010
Third party reproduction and the aging couple
Luk J, Greenfeld DA, Seli E. Third party reproduction and the aging couple. Maturitas 2010, 66: 389-396. PMID: 20451337, DOI: 10.1016/j.maturitas.2010.03.024.Peer-Reviewed Original ResearchConceptsThird-party reproductionOocyte donationFirst pregnancyInfertility treatmentSignificant success rateAverage ageOocyte donorsSocial workersMore womenCommon formSuccess rateReproductive technologiesLate 30sPregnancyEarly 40sPartner's advancesAgeFemale agePartiesUnited StatesPhysical involvementDonationUterusGratifying experienceNurses