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
2023
Leukocyte telomere length and DNA methylome as biomarkers of ovarian reserve and embryo aneuploidy: the intricate relationship between somatic and reproductive aging
Garg A, Seli E. Leukocyte telomere length and DNA methylome as biomarkers of ovarian reserve and embryo aneuploidy: the intricate relationship between somatic and reproductive aging. Fertility And Sterility 2023, 121: 26-33. PMID: 37979607, DOI: 10.1016/j.fertnstert.2023.11.011.Peer-Reviewed Original ResearchConceptsPoor ovarian responseLeukocyte telomere lengthOvarian reserveTelomere lengthAssisted Reproductive TechnologyOvarian responseFollicular somatic cellsMethylome changesDNA methylomePrevalence of infertilityDiminished ovarian reserveSomatic cellsCellular agingEpigenetic clocksDNA methylation ageReproductive potentialReproductive declineOvarian agingSurrogate biomarkerCommon causeMethylomeART outcomesChronologic ageEmbryo aneuploidyReproductive function
2022
Mitochondrial 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
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