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 mechanismMitofusins
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
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 reserveOrganelles
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