2024
Selective utilization of glucose metabolism guides mammalian gastrulation
Cao D, Bergmann J, Zhong L, Hemalatha A, Dingare C, Jensen T, Cox A, Greco V, Steventon B, Sozen B. Selective utilization of glucose metabolism guides mammalian gastrulation. Nature 2024, 634: 919-928. PMID: 39415005, PMCID: PMC11499262, DOI: 10.1038/s41586-024-08044-1.Peer-Reviewed Original ResearchConceptsCellular metabolismMammalian gastrulationHexosamine biosynthetic pathwayTranscription factor networksCellular signaling pathwaysSignaling morphogensGlucose metabolismCellular programmeBiosynthetic pathwayFate acquisitionCell fateHousekeeping natureGenetic mechanismsMesoderm migrationFactor networksERK activationExpression patternsSignaling pathwayDevelopmental processesStem cell modelCell typesSpecialized functionsDevelopmental contextMammalian embryosMouse embryos
2016
The poly(A)-binding protein genes, EPAB, PABPC1, and PABPC3 are differentially expressed in infertile men with non-obstructive azoospermia
Ozturk S, Sozen B, Uysal F, Bassorgun I, Usta M, Akkoyunlu G, Demir N. The poly(A)-binding protein genes, EPAB, PABPC1, and PABPC3 are differentially expressed in infertile men with non-obstructive azoospermia. Journal Of Assisted Reproduction And Genetics 2016, 33: 335-348. PMID: 26843391, PMCID: PMC4785164, DOI: 10.1007/s10815-016-0654-z.Peer-Reviewed Original ResearchConceptsPoly(A)-binding proteinNon-obstructive azoospermiaPoly(A)-binding protein geneSertoli cell-only syndromeTesticular biopsy samplesRound spermatidsPABP expressionExpression levelsIsolated spermatocytesTranslational controlProtein geneInfertile menPABPC1Male infertilitySpermatocytesPABPC3MRNA expressionArrest groupEPABSco groupBiopsy samplesMolecular backgroundProteinAzoospermiaEvaluate expression levels
2015
CD90 and CD105 expression in the mouse ovary and testis at different stages of postnatal development
Tepekoy F, Ozturk S, Sozen B, Ozay R, Akkoyunlu G, Demir N. CD90 and CD105 expression in the mouse ovary and testis at different stages of postnatal development. Reproductive Biology 2015, 15: 195-204. PMID: 26679159, DOI: 10.1016/j.repbio.2015.10.004.Peer-Reviewed Original ResearchConceptsExpression of CD90Postnatal developmentGerm cellsPostnatal dayCell typesSomatic cellsGerm cell compartmentMesenchymal stem cell markersStem cell markersStages of gonadal developmentStages of postnatal developmentExpression of CD105Female gonadal cellsMouse gonadsSertoli cellsPostnatal gonadsTesticular expressionMouse ovariesGonadal cellsCD105 expressionCell markersGonadal developmentAdult ovariesImmunohistochemical localizationCD105The p38 MAPK signalling pathway is required for glucose metabolism, lineage specification and embryo survival during mouse preimplantation development
Sozen B, Ozturk S, Yaba A, Demir N. The p38 MAPK signalling pathway is required for glucose metabolism, lineage specification and embryo survival during mouse preimplantation development. Cells And Development 2015, 138: 375-398. PMID: 26025760, DOI: 10.1016/j.mod.2015.05.002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisBlastocystBlastocyst Inner Cell MassCell DeathCell LineageEmbryonic DevelopmentFemaleGene Expression Regulation, DevelopmentalGlucoseGlucose Transporter Type 1Glucose Transporter Type 4ImidazolesMaleMAP Kinase Signaling SystemMiceMice, Inbred BALB CModels, BiologicalPregnancyProtein Kinase InhibitorsPyridinesRNA, MessengerConceptsPreimplantation developmentP38 mitogen-activated protein kinaseMitogen-activated protein kinaseLate preimplantation stagePreimplantation embryo developmentMouse preimplantation developmentExpression levelsEmbryo developmentEffect of p38 MAPK inhibitionExpression levels of NANOGEarly embryo developmentP38 MAPK inhibitionPresence of SB203580P38 MAPK signaling pathwayLevel of transcriptionIncreased cell deathSignal transduction pathwaysBlastocyst stageExpression levels of transcriptsLevels of NanogP38 MAPK pathwayPreimplantation stagesLevels of GLUT1Expression levels of Glut1MAPK signaling pathway
2012
Merit of quinacrine in the decrease of ingested sulfite-induced toxic action in rat brain
Kencebay C, Derin N, Ozsoy O, Kipmen-Korgun D, Tanriover G, Ozturk N, Basaranlar G, Yargicoglu-Akkiraz P, Sozen B, Agar A. Merit of quinacrine in the decrease of ingested sulfite-induced toxic action in rat brain. Food And Chemical Toxicology 2012, 52: 129-136. PMID: 23168241, DOI: 10.1016/j.fct.2012.11.015.Peer-Reviewed Original ResearchConceptsSomatosensory evoked potentialsSecretory phospholipase A2Quinacrine administrationS groupPlasma-S-sulfonate levelLatencies of SEP componentsMale albino Wistar ratsBrain TBARS levelsControl levelsTUNEL-positive cellsSQ groupTBARS levelsAlbino Wistar ratsSPLA2 levelsApoptotic cell deathGastric gavageSEP alterationsPositive cellsWistar ratsSEP componentsIntraperitoneal injectionRat brainCaspase-3RatsQuinacrine treatmentEpab 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