2020
Analysis of accessible chromatin landscape in the inner cell mass and trophectoderm of human blastocysts
Yang M, Tao X, Titus S, Zhao T, Scott RT, Seli E. Analysis of accessible chromatin landscape in the inner cell mass and trophectoderm of human blastocysts. Molecular Human Reproduction 2020, 26: 702-711. PMID: 32663300, DOI: 10.1093/molehr/gaaa048.Peer-Reviewed Original ResearchConceptsInner cell massHuman preimplantation embryosEpigenetic regulationPreimplantation embryosCell lineage specificationChromatin accessibility landscapeAccessible chromatin landscapePreimplantation human blastocystsEarly embryonic developmentTranscription start siteCell massEarly embryo developmentHuman blastocystsDistal regionChromatin landscapeAccessible chromatinLineage specificationChromatin structureLow DNA inputATAC-seqTrophectoderm differentiationChromosome reorganizationAccessibility landscapeHuman embryonic materialEmbryonic development
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
2015
Embryonic Poly(A)-Binding Protein (EPAB) Is Required for Granulosa Cell EGF Signaling and Cumulus Expansion in Female Mice
Yang CR, Lowther KM, Lalioti MD, Seli E. Embryonic Poly(A)-Binding Protein (EPAB) Is Required for Granulosa Cell EGF Signaling and Cumulus Expansion in Female Mice. Endocrinology 2015, 157: 405-416. PMID: 26492470, PMCID: PMC4701890, DOI: 10.1210/en.2015-1135.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBone Morphogenetic Protein 15Cell ProliferationCells, CulturedCoculture TechniquesCumulus CellsEpidermal Growth FactorErbB ReceptorsFemaleGranulosa CellsGrowth Differentiation Factor 9Luteinizing HormoneMAP Kinase Signaling SystemMice, KnockoutOocytesPhosphorylationPoly(A)-Binding ProteinsProtein Processing, Post-TranslationalReceptors, LHSignal TransductionConceptsEpidermal growth factorZygotic genome activationP90 ribosomal S6 kinaseBone morphogenetic protein 15Cumulus cellsRibosomal S6 kinaseImpaired oocyte maturationCumulus expansionGrowth differentiation factor 9Genome activationDifferentiation factor 9S6 kinaseEarly embryosTranslational activationEGF signalingEGF receptorFemale micePhosphorylated MEK1/2EGF treatmentBinding proteinFactor 9Cells exhibitOocyte maturationProteinProtein 15Poor ovarian response in women undergoing in vitro fertilization is associated with altered microRNA expression in cumulus cells
Karakaya C, Guzeloglu-Kayisli O, Uyar A, Kallen AN, Babayev E, Bozkurt N, Unsal E, Karabacak O, Seli E. Poor ovarian response in women undergoing in vitro fertilization is associated with altered microRNA expression in cumulus cells. Fertility And Sterility 2015, 103: 1469-1476.e3. PMID: 25910568, PMCID: PMC5648585, DOI: 10.1016/j.fertnstert.2015.02.035.Peer-Reviewed Original ResearchConceptsIVF-intracytoplasmic sperm injectionMiR-21-5p expressionPoor respondersMiR-21-5pMiR-21-3pCumulus cellsHuman granulosa-like tumor cellsMicro-ribonucleic acid (miRNA) expressionMiR-21-3p expressionLower serum E2 levelsMiR-21Elevated expressionPoor ovarian responseSerum E2 levelsReverse transcription real-time polymerase chain reactionTranscription real-time polymerase chain reactionNumber of oocytesLower E2 concentrationsAcademic medical centerReal-time polymerase chain reactionRespective age groupsMicroRNA microarray analysisOvarian responseAltered miRNA expressionE2 levels
2014
mRNA-Binding Protein TIA-1 Reduces Cytokine Expression in Human Endometrial Stromal Cells and Is Down-Regulated in Ectopic Endometrium
Karalok HM, Aydin E, Saglam O, Torun A, Guzeloglu-Kayisli O, Lalioti MD, Kristiansson H, Duke CM, Choe G, Flannery C, Kallen CB, Seli E. mRNA-Binding Protein TIA-1 Reduces Cytokine Expression in Human Endometrial Stromal Cells and Is Down-Regulated in Ectopic Endometrium. The Journal Of Clinical Endocrinology & Metabolism 2014, 99: e2610-e2619. PMID: 25140393, PMCID: PMC4255110, DOI: 10.1210/jc.2013-3488.Peer-Reviewed Original ResearchConceptsHuman endometrial stromal cellsTNF-α expressionTIA-1 expressionEndometrial stromal cellsIL-6Pathogenesis of endometriosisMenstrual cycleTIA-1Endometrial tissueEctopic endometriumImmune factorsHistological scoresCultured human endometrial stromal cellsSteroid hormonesStromal cellsGrowth factorElevated IL-6Ectopic endometrial tissueNormal menstrual cycleEutopic endometrial tissuesGrowth factor expressionT-cell intracellular antigenEndometrial cytokinesEndometrial functionControl women
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
2011
The mRNA-Binding Protein HuR is Regulated in the Menstrual Cycle and Repressed in Ectopic Endometrium
Karipcin FS, Ensari TA, Kayisli UA, Guzel E, Kallen CB, Seli E. The mRNA-Binding Protein HuR is Regulated in the Menstrual Cycle and Repressed in Ectopic Endometrium. Reproductive Sciences 2011, 18: 145-155. PMID: 20889954, PMCID: PMC3343139, DOI: 10.1177/1933719110382307.Peer-Reviewed Original ResearchConceptsEctopic endometriumMenstrual cycleSecretory phaseCytokine expressionHuR expressionNormal endometriumCultured endometrial stromal cellsStromal cellsEctopic endometrial cellsEctopic human endometriumMid-menstrual phaseElevated cytokine levelsEndometrial stromal cellsLate secretory phasePathogenesis of endometriosisCultured stromal cellsTumor necrosis factorMessenger RNACytokine levelsEndometrial cellsEutopic endometriumHuman endometriumNecrosis factorEndometriumEndometriosis
2010
Identification and in Vitro Characterization of Follicle Stimulating Hormone (FSH) Receptor Variants Associated with Abnormal Ovarian Response to FSH
Gerasimova T, Thanasoula MN, Zattas D, Seli E, Sakkas D, Lalioti MD. Identification and in Vitro Characterization of Follicle Stimulating Hormone (FSH) Receptor Variants Associated with Abnormal Ovarian Response to FSH. The Journal Of Clinical Endocrinology & Metabolism 2010, 95: 529-536. PMID: 20061434, PMCID: PMC2840851, DOI: 10.1210/jc.2009-1304.Peer-Reviewed Original ResearchConceptsOvarian responseFSH receptorFSHR mRNAAbnormal ovarian responseOvarian stimulation protocolsForms of infertilityOocytes of womenExtracellular ligand-binding portionHormone receptor variantsOvarian hyperstimulationOvarian stimulationFSHR variantsPoor responseInfertility treatmentT cellsStimulation protocolFollicle growthFSHFertility clinicsCAMP activationCumulus cellsReceptor variantsGenetic causeRT-PCRWomen
2006
Estradiol Increases Apoptosis in Human Coronary Artery Endothelial Cells by Up-Regulating Fas and Fas Ligand Expression
Seli E, Guzeloglu-Kayisli O, Cakmak H, Kayisli UA, Selam B, Arici A. Estradiol Increases Apoptosis in Human Coronary Artery Endothelial Cells by Up-Regulating Fas and Fas Ligand Expression. The Journal Of Clinical Endocrinology & Metabolism 2006, 91: 4995-5001. PMID: 17003091, DOI: 10.1210/jc.2006-1225.Peer-Reviewed Original ResearchConceptsHuman coronary artery endothelial cellsCultured human coronary artery endothelial cellsHormone replacement therapyCoronary artery endothelial cellsArtery endothelial cellsReplacement therapyE2 treatmentPlaque stabilityPostmenopausal hormone replacement therapyEndothelial cellsFas/FasL pathwayEffects of E2Effects of estrogenAtherosclerotic plaque formationSignificant concentration-dependent increaseConcentration-dependent increaseFas ligand expressionCardiovascular eventsCardioprotective effectsInhibits atherogenesisMAIN OUTCOMEAnimal modelsFasL pathwayUp-regulating FasLigand expression
2002
Estradiol down-regulates MCP-1 expression in human coronary artery endothelial cells
Seli E, Pehlivan T, Selam B, Garcia-Velasco JA, Arici A. Estradiol down-regulates MCP-1 expression in human coronary artery endothelial cells. Fertility And Sterility 2002, 77: 542-547. PMID: 11872210, DOI: 10.1016/s0015-0282(01)03223-x.Peer-Reviewed Original ResearchConceptsHuman coronary artery endothelial cellsCoronary artery endothelial cellsMCP-1 expressionHuman umbilical vein endothelial cellsEnzyme-linked immunosorbent assayArtery endothelial cellsMCP-1 mRNAUmbilical vein endothelial cellsEndothelial cellsVein endothelial cellsMCP-1Prospective comparative studyConcentrations of estradiolMCP-1 productionMCP-1 proteinDose-dependent inhibitionVascular endothelial cellsEstrogen treatmentMacrophage recruitmentMAIN OUTCOMEMRNA expressionRibonucleic acidImmunosorbent assayProtein expressionTamoxifen
1997
Leukaemia inhibitory factor expression in human follicular fluid and ovarian cells.
Arici A, Oral E, Bahtiyar O, Engin O, Seli E, Jones EE. Leukaemia inhibitory factor expression in human follicular fluid and ovarian cells. Human Reproduction 1997, 12: 1233-1239. PMID: 9222008, DOI: 10.1093/humrep/12.6.1233.Peer-Reviewed Original ResearchConceptsFollicular fluid samplesLeukemia inhibitory factorLIF mRNAOvarian stromal cellsGranulosa-lutein cellsFollicular phaseFollicular fluidFluid samplesExpression of LIFPg/Embryo qualityStromal cellsFollicular fluid oestradiol concentrationsLeukemia inhibitory factor expressionTumor necrosis factor alphaPhysiology of ovulationNecrosis factor alphaConcentrations of LIFHuman follicular fluidConcentration-dependent mannerLIF levelsOvarian stimulationStromal cell culturesOvarian functionOestradiol concentrations
1996
Growth-regulated alpha expression in the peritoneal environment with endometriosis.
Oral E, Seli E, Bahtiyar MO, Olive DL, Arici A. Growth-regulated alpha expression in the peritoneal environment with endometriosis. Obstetrics And Gynecology 1996, 88: 1050-6. PMID: 8942852, DOI: 10.1016/s0029-7844(96)00361-4.Peer-Reviewed Original ResearchConceptsAlpha messenger RNAPeritoneal fluid samplesPeritoneal fluidPg/Severe endometriosisFertile womenSevere endometriosis groupNormal fertile womenNeutrophil chemotactic activityReproductive-age womenEndometrial stromal cellsPathogenesis of endometriosisFluid samplesInterleukin-1 alphaMessenger RNAInterleukin-8 receptorEnzyme-linked immunosorbentMann-Whitney testUntreated endometriosisEndometrial biopsyTime-dependent mannerEndometrial diseaseEndometriosis groupEndometrial tissuePeritoneal environment