2024
Mitochondria as determinants of reproductive senescence and competence: implications for diagnosis of embryo competence in assisted reproduction
Yildirim R, Seli E. Mitochondria as determinants of reproductive senescence and competence: implications for diagnosis of embryo competence in assisted reproduction. Human Reproduction 2024, 39: 2160-2170. PMID: 39066612, DOI: 10.1093/humrep/deae171.Peer-Reviewed Original ResearchMultiple quality control mechanismsMitochondrial unfolded protein responseMitochondrial DNA copy numberUnfolded protein responseQuality control mechanismsDNA copy numberMitochondrial networkRegulate calcium signalingMitochondrial dynamicsReproductive successMitochondrial quantityProtein responseDinucleotide contentModulate apoptosisOxidative phosphorylationCellular pathwaysCopy numberMitochondrial dysfunctionMitochondriaCalcium signalingEmbryo competenceMembrane potentialAssisted reproductionDiagnostic targetsReproductive senescenceThe role of mitochondrial dynamics in oocyte and early embryo development
Yildirim R, Seli E. The role of mitochondrial dynamics in oocyte and early embryo development. Seminars In Cell And Developmental Biology 2024, 159: 52-61. PMID: 38330625, DOI: 10.1016/j.semcdb.2024.01.007.Peer-Reviewed Original ResearchMitochondrial dynamicsRegulating mitochondrial dynamicsImpaired mitochondrial dynamicsMorphology of mitochondriaMitochondria importDynamic organellesMitochondrial networkDysfunctional mitochondriaEmbryo developmentCellular processesPre-implantation embryo developmentPhospholipid synthesisMitochondriaHuman diseasesMitochondrial dysfunctionInnate immunityOlder reproductive age womenCell typesReproductive processesAffecting oocyte qualityCalcium regulationSuccess of pregnancyFemale reproductive healthReproductive age womenPost-fertilization
2022
Targeted Deletion of Mitofusin 1 and Mitofusin 2 Causes Female Infertility and Loss of Follicular Reserve
Cozzolino M, Ergun Y, Seli E. Targeted Deletion of Mitofusin 1 and Mitofusin 2 Causes Female Infertility and Loss of Follicular Reserve. Reproductive Sciences 2022, 30: 560-568. PMID: 35739352, DOI: 10.1007/s43032-022-01014-w.Peer-Reviewed Original ResearchConceptsMitofusin 1Mitofusin 2Double deletionFemale reproductive competencePotential functional redundancyDynamic organellesCellular homeostasisFunctional redundancyMitochondrial dynamicsEnvironmental stressMitochondrial functionMitochondrial dysfunctionMfn1Reproductive competenceTargeted deletionMfn2Oocyte maturationDeletionCritical roleReproductive agingFemale infertilityOocytesOocyte qualityFusion mechanismMitofusinsMitochondrial dysfunction caused by targeted deletion of Mfn1 does not result in telomere shortening in oocytes.
Cozzolino M, Seli E. Mitochondrial dysfunction caused by targeted deletion of Mfn1 does not result in telomere shortening in oocytes. Zygote 2022, 30: 735-737. PMID: 35730364, DOI: 10.1017/s0967199422000089.Peer-Reviewed Original ResearchConceptsMitochondrial dysfunctionMaintenance of telomeresTargeted deletionEnd-protection functionTTAGGG repeatsMitochondrial fusionTelomeric repeatsSomatic cellsMitofusin 1Reactive oxygen speciesEnzyme complexWild-type miceOocyte growthDNA damageMouse oocytesTelomerase activityOocyte maturationDeletionFollicular depletionOxygen speciesTelomere lengthTelomeresFollicular developmentOocytesRepeats
2020
Mitochondrial function in women with polycystic ovary syndrome.
Cozzolino M, Seli E. Mitochondrial function in women with polycystic ovary syndrome. Current Opinion In Obstetrics & Gynecology 2020, 32: 205-212. PMID: 32068544, DOI: 10.1097/gco.0000000000000619.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeLower mtDNA copy numberOvary syndromePathogenesis of PCOSMitochondrial dysfunctionMtDNA copy numberPotential protective rolePCOS phenotypeInsulin resistancePathophysiological mechanismsCommon findingDiagnostic modalitiesMetabolic milieuFunctional alterationsMitochondrial functional alterationsProtective roleCommon diseaseOxidative stressWomenMitochondrial functionDysfunctionSyndromeCopy numberProtein responseReactive oxygenMitochondrial 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 1 is required for female fertility and to maintain ovarian follicular reserve
Zhang M, Bener MB, Jiang Z, Wang T, Esencan E, Scott III R, Horvath T, Seli E. Mitofusin 1 is required for female fertility and to maintain ovarian follicular reserve. Cell Death & Disease 2019, 10: 560. PMID: 31332167, PMCID: PMC6646343, DOI: 10.1038/s41419-019-1799-3.Peer-Reviewed Original ResearchConceptsOocyte-granulosa cell communicationDynamic organellesAccumulation of ceramideFemale reproductive agingMitofusin 1Secondary follicle stageMitochondrial dynamicsCell communicationReproductive phenotypesCeramide synthesis inhibitor myriocinDevelopmental arrestApoptotic cell lossMitochondrial dysfunctionTargeted deletionOvarian follicular reserveOocyte maturationFemale fertilityFollicle stageDeletionPhenotypeReproductive agingOocytesCadherinFollicular reserveOrganellesMitofusin 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 milieuProteinReticulumDeletionFusionPhenotypeApoptosisMaturationMitochondrial 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
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 oocytes
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
2015
Oocyte mitochondrial function and reproduction
Babayev E, Seli E. Oocyte mitochondrial function and reproduction. Current Opinion In Obstetrics & Gynecology 2015, 27: 175-181. PMID: 25719756, PMCID: PMC4590773, DOI: 10.1097/gco.0000000000000164.Peer-Reviewed Original ResearchConceptsOocyte mitochondrial functionMitochondrial functionEmbryonic developmentMitochondrial nutrientsMitochondrial replacementRole of mitochondriaOogonial stem cellsCellular organellesMammalian reproductionMitochondrial performanceMitochondrial diseaseEmbryo developmentMitochondrial activityMitochondrial dysfunctionOocyte developmentMitochondriaReproductive consequencesStem cellsOocyte maturationMitochondrial abnormalitiesPolar bodyReproductionEnergy productionIntake of compoundsNegative long-term health effects