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
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
Embryonic poly(A)-binding protein is required at the preantral stage of mouse folliculogenesis for oocyte–somatic communication†
Lowther KM, Favero F, Yang CR, Taylor HS, Seli E. Embryonic poly(A)-binding protein is required at the preantral stage of mouse folliculogenesis for oocyte–somatic communication†. Biology Of Reproduction 2017, 96: 341-351. PMID: 28203794, DOI: 10.1095/biolreprod.116.141234.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 oocytesCross-Talk Between FSH and Endoplasmic Reticulum Stress: A Mutually Suppressive Relationship
Babayev E, Lalioti MD, Favero F, Seli E. Cross-Talk Between FSH and Endoplasmic Reticulum Stress: A Mutually Suppressive Relationship. Reproductive Sciences 2016, 23: 352-364. PMID: 26342052, PMCID: PMC5933091, DOI: 10.1177/1933719115602770.Peer-Reviewed Original ResearchConceptsFollicle stimulating hormonePregnant mare serum gonadotropinMouse granulosa cellsGranulosa cellsFSH responseSerum gonadotropinFSH stimulationER stressStress-induced cellsPrimary mouse granulosa cellsUntreated granulosa cellsMessenger RNA levelsCalcium adenosine triphosphataseEndoplasmic reticulum stressEstradiol levelsMice 24Estradiol productionIntraperitoneal injectionStimulating hormoneAromatase expressionTP treatmentReticulum stressRNA levelsER stress-associated genesProtein 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 tissuemRNA-Binding Protein ZFP36 Is Expressed in Atherosclerotic Lesions and Reduces Inflammation in Aortic Endothelial Cells
Zhang H, Taylor WR, Joseph G, Caracciolo V, Gonzales DM, Sidell N, Seli E, Blackshear PJ, Kallen CB. mRNA-Binding Protein ZFP36 Is Expressed in Atherosclerotic Lesions and Reduces Inflammation in Aortic Endothelial Cells. Arteriosclerosis Thrombosis And Vascular Biology 2013, 33: 1212-1220. PMID: 23559629, PMCID: PMC3844532, DOI: 10.1161/atvbaha.113.301496.Peer-Reviewed Original ResearchConceptsVascular endothelial cellsEndothelial cellsAortic endothelial cellsAtherosclerotic lesionsFoam cellsAnti-inflammatory effectsHuman aortic endothelial cellsNuclear factor-κB transcriptional activationLow-density lipoproteinMacrophage foam cellsZinc finger protein 36Vascular inflammationAngiotensin IIInflammatory cytokinesCytokine mRNAZFP36 expressionBacterial lipopolysaccharideHealthy aortaInflammationTarget cellsLesionsZFP36Protein 36CellsMRNA transcripts
2012
Epab and Pabpc1 Are Differentially Expressed During Male Germ Cell Development
Ozturk S, Guzeloglu-Kayisli O, Demir N, Sozen B, Ilbay O, Lalioti MD, Seli E. Epab and Pabpc1 Are Differentially Expressed During Male Germ Cell Development. Reproductive Sciences 2012, 19: 911-922. PMID: 22814100, PMCID: PMC4046314, DOI: 10.1177/1933719112446086.Peer-Reviewed Original ResearchConceptsRound spermatidsGene expressionMale germ cell developmentGerm cell developmentPABPC1 expressionTranslational regulationCytoplasmic polyadenylationPosttranscriptional mechanismsPABPC1Key proteinsCell developmentEPABSpatial expressionMature testesMouse testisMessenger RNASpermatogenic cellsTail lengthProteinSpermatocytesExpressionSpermatogoniaTestisEarly postnatal lifePolyadenylation
2011
The kinase VRK1 is required for normal meiotic progression in mammalian oogenesis
Schober CS, Aydiner F, Booth CJ, Seli E, Reinke V. The kinase VRK1 is required for normal meiotic progression in mammalian oogenesis. Cells And Development 2011, 128: 178-190. PMID: 21277975, DOI: 10.1016/j.mod.2011.01.004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChromosomes, MammalianFemaleHistonesInfertility, FemaleInfertility, MaleMaleMeiosisMiceMice, Inbred C57BLMice, Mutant StrainsMutagenesis, InsertionalOocytesOogenesisOrgan SizeOrgan SpecificityOvaryPhenotypePhosphorylationProtein Serine-Threonine KinasesSeminiferous EpitheliumSpermatogenesisTestisTumor Suppressor Protein p53ConceptsMeiotic progressionNormal meiotic progressionGene trap insertionConserved roleDrosophila oogenesisMammalian gametogenesisMammalian oogenesisVRK1 activityPhosphorylation substratesFemale meiosisInvertebrate speciesProliferation defectMale spermatogoniaChromosomal configurationsMetaphase plateVRK1OogenesisVRK1 expressionFailure of oocytesMouse strainsDrosophilaMeiosisGametogenesisChromosomesLoci
2008
Alternative splicing of the mouse embryonic poly(A) binding protein (Epab) mRNA is regulated by an exonic splicing enhancer: a model for post-transcriptional control of gene expression in the oocyte
Seli E, Yaba A, Guzeloglu-Kayisli O, Lalioti MD. Alternative splicing of the mouse embryonic poly(A) binding protein (Epab) mRNA is regulated by an exonic splicing enhancer: a model for post-transcriptional control of gene expression in the oocyte. Molecular Human Reproduction 2008, 14: 393-398. PMID: 18492745, PMCID: PMC2453241, DOI: 10.1093/molehr/gan028.Peer-Reviewed Original ResearchConceptsExonic splicing enhancersAlternative splicing variantsSingle nucleotide polymorphismsAlternative splicingSplicing variantsSplicing enhancersExon 10Post-transcriptional controlMRNA alternative splicingEarly preimplantation embryosOocyte-specific proteinRNA editingMaternal mRNAsEarly embryosMouse embryonicBinding protein mRNAReal-time RT-PCR resultsGene expressionPreimplantation embryosSpliced formsSame locusSequence analysisBinding proteinSplicingParental origin
2007
Estrogen increases apoptosis in the arterial wall in a murine atherosclerosis model
Seli E, Guzeloglu-Kayisli O, Kayisli UA, Kizilay G, Arici A. Estrogen increases apoptosis in the arterial wall in a murine atherosclerosis model. Fertility And Sterility 2007, 88: 1190-1196. PMID: 17498707, DOI: 10.1016/j.fertnstert.2007.01.132.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaApoptosisAtherosclerosisEndothelium, VascularEstrogensFemaleMiceMice, Inbred C57BLMice, KnockoutOvariectomyReceptors, LDLConceptsHigh-cholesterol dietMurine atherosclerosis modelAtherosclerotic plaque formationCholesterol dietFemale LDLAtherosclerosis modelPlaque formationArterial wallPlacebo-treated miceMitotic activityEffects of estrogenEffects of ovariectomyAtherosclerotic plaque developmentVascular effectsFemale miceMAIN OUTCOMEVascular apoptosisC57BL/6 backgroundPlaque developmentAortic wallLDLLDL receptorMice resultsMiceDNA strand breaks
2002
Estradiol suppresses vascular monocyte chemotactic protein-1 expression during early atherogenesis
Seli E, Kayisli UA, Selam B, Seli M, Arici A. Estradiol suppresses vascular monocyte chemotactic protein-1 expression during early atherogenesis. American Journal Of Obstetrics And Gynecology 2002, 187: 1544-1549. PMID: 12501061, DOI: 10.1067/mob.2002.127306.Peer-Reviewed Original ResearchConceptsMonocyte chemotactic protein-1 expressionChemotactic protein-1 expressionProtein-1 expressionLipid depositionSerum total cholesterol concentrationVascular lipid depositionProtein 1 antibodyAorta of animalsTotal cholesterol concentrationDevelopment of atherosclerosisSmooth muscle cellsPlacebo pelletsAtherogenic stimuliDeficient miceMacrophage recruitmentEarly atherogenesisImmunohistochemical analysisTreatment groupsC57BL/6 backgroundCholesterol concentrationsMuscle cellsArterial wallB stainingAortaEstradiol