2021
YAP1 nuclear efflux and transcriptional reprograming follow membrane diminution upon VSV-G-induced cell fusion
Feliciano D, Ott CM, Espinosa-Medina I, Weigel AV, Benedetti L, Milano KM, Tang Z, Lee T, Kliman HJ, Guller SM, Lippincott-Schwartz J. YAP1 nuclear efflux and transcriptional reprograming follow membrane diminution upon VSV-G-induced cell fusion. Nature Communications 2021, 12: 4502. PMID: 34301937, PMCID: PMC8302681, DOI: 10.1038/s41467-021-24708-2.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAMP-Activated Protein KinasesAnimalsBiological TransportCell FusionCell LineCell Line, TumorCell MembraneCell NucleusCells, CulturedGiant CellsHEK293 CellsHumansMembrane GlycoproteinsMiceRNA-SeqSignal TransductionTranscription FactorsTranscription, GeneticViral Envelope ProteinsYAP-Signaling ProteinsConceptsCell cycle arrestCell fusionNew cellular statesPlasma membrane surface areaRNA-seq analysisCell fusion systemTranscriptional programsNutrient stressCellular statesTranscriptional changesNuclear effluxCytoplasmic glucoseExtrinsic cuesUndifferentiated cellsGlucose transporterFused cellsMechanistic insightsMembrane surface areaNew functionsEndocytosisYAP1 inhibitionEnergetic stateSyncytiaCellsVSV
2020
Zika Virus-Infected Decidual Cells Elicit a Gestational Age-Dependent Innate Immune Response and Exaggerate Trophoblast Zika Permissiveness: Implication for Vertical Transmission.
Guzeloglu-Kayisli O, Guo X, Tang Z, Semerci N, Ozmen A, Larsen K, Mutluay D, Guller S, Schatz F, Kayisli UA, Lockwood CJ. Zika Virus-Infected Decidual Cells Elicit a Gestational Age-Dependent Innate Immune Response and Exaggerate Trophoblast Zika Permissiveness: Implication for Vertical Transmission. The Journal Of Immunology 2020, 205: 3083-3094. PMID: 33139490, DOI: 10.4049/jimmunol.2000713.Peer-Reviewed Original ResearchConceptsHuman decidual cellsDecidual cellsZika virusViral attachment factorsTerm decidual stromal cellsVertical transmissionDecidual cell supernatantsTerm decidual cellsInnate immune response genesInnate immune responsivenessExact pathogenic mechanismDecidual stromal cellsHuman first trimesterInnate immune responseSevere fetal defectsImmune response genesFetal sequelaeGestational ageFirst trimesterPlacental transmissionZIKV infectionCytotrophoblast culturesImmune responsivenessZika infectionLate pregnancy
2017
Viral Infection Sensitizes Human Fetal Membranes to Bacterial Lipopolysaccharide by MERTK Inhibition and Inflammasome Activation.
Cross SN, Potter JA, Aldo P, Kwon JY, Pitruzzello M, Tong M, Guller S, Rothlin CV, Mor G, Abrahams VM. Viral Infection Sensitizes Human Fetal Membranes to Bacterial Lipopolysaccharide by MERTK Inhibition and Inflammasome Activation. The Journal Of Immunology 2017, 199: 2885-2895. PMID: 28916522, PMCID: PMC5659726, DOI: 10.4049/jimmunol.1700870.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedChorioamnionitisC-Mer Tyrosine KinaseExtraembryonic MembranesFemaleGammaherpesvirinaeHerpesviridae InfectionsHerpesvirus 2, HumanHumansImmunizationInflammasomesIntercellular Signaling Peptides and ProteinsInterleukin-1betaLipopolysaccharidesMiceMice, Inbred C57BLMice, KnockoutPregnancyPremature BirthProto-Oncogene ProteinsReceptor Protein-Tyrosine KinasesConceptsFetal membranesViral infectionImmune responseTAM receptorsSubsequent preterm birthAdverse pregnancy outcomesIL-1β productionIL-1β responseHerpes viral infectionsInnate immune responseVivo mouse modelHuman fetal membranesAggravated inflammationIL-1β processingPregnancy outcomesPreterm birthAssociated complicationsPremature rupturePregnant womenLocal infectionInflammasome activationMerTK inhibitionMouse modelBacterial LPSLigand expression
2016
Zika virus infection of Hofbauer cells
Simoni MK, Jurado KA, Abrahams VM, Fikrig E, Guller S. Zika virus infection of Hofbauer cells. American Journal Of Reproductive Immunology 2016, 77 PMID: 27966815, PMCID: PMC5299062, DOI: 10.1111/aji.12613.Peer-Reviewed Original ResearchConceptsCongenital Zika syndromeHofbauer cellsZika virusZIKV infectionDevelopment of CZSDengue virusSpread of ZIKVVertical transmissionFetal placental macrophagesPlacental Hofbauer cellsZika virus infectionAntenatal infectionNeonatal outcomesPlacental responsesZika syndromeVirus infectionCurrent evidenceCongenital abnormalitiesRecent studiesNeonatal developmentFetal capillariesRelated flavivirusesInfectionSpecific molecular mechanismsCertain viruses
2013
Viral Infection of the Pregnant Cervix Predisposes to Ascending Bacterial Infection
Racicot K, Cardenas I, Wünsche V, Aldo P, Guller S, Means RE, Romero R, Mor G. Viral Infection of the Pregnant Cervix Predisposes to Ascending Bacterial Infection. The Journal Of Immunology 2013, 191: 934-941. PMID: 23752614, PMCID: PMC4153356, DOI: 10.4049/jimmunol.1300661.Peer-Reviewed Original ResearchConceptsFemale reproductive tractBacterial infectionsViral infectionLower female reproductive tractReproductive tractAntimicrobial peptide expressionProduction of mucusPreterm laborPreterm birthNeonatal mortalityUterine cavityUterine infectionMouse modelPeptide expressionInfectionCervixPolymicrobial diseaseMajor causeMultifactorial approachCommon routePregnancyBirthUterusTractAntimicrobial peptides
2010
Role of GnRH–GnRH receptor signaling at the maternal-fetal interface
Lee HJ, Snegovskikh VV, Park JS, Foyouzi N, Han KT, Hodgson EJ, Guller S, Norwitz ER. Role of GnRH–GnRH receptor signaling at the maternal-fetal interface. Fertility And Sterility 2010, 94: 2680-2687. PMID: 20400076, DOI: 10.1016/j.fertnstert.2010.03.016.Peer-Reviewed Original ResearchConceptsGnRHR-I mRNAMaternal-fetal interfaceDecidual stromal cellsHCG productionGnRH-IISelect cytokinesTrophoblast cellsCell linesEffects of GnRHUniversity Teaching HospitalExpression of GnRHFunction of GnRHReverse transcription-polymerase chain reactionDose-dependent fashionHuman trophoblast cellsTerm deliveryPolymerase chain reactionTeaching hospitalGnRH receptorMAIN OUTCOMEGnRHHuman trophoblastsStromal cellsWestern blotImmortalized cell lines
2009
Role of the syncytium in placenta-mediated complications of preeclampsia
Guller S. Role of the syncytium in placenta-mediated complications of preeclampsia. Thrombosis Research 2009, 124: 389-392. PMID: 19535132, PMCID: PMC2764997, DOI: 10.1016/j.thromres.2009.05.016.Peer-Reviewed Original ResearchConceptsPlasminogen activator inhibitor-1Fms-like tyrosine kinase-1Complications of preeclampsiaIntrauterine growth restrictionPathophysiology of preeclampsiaTyrosine kinase-1Immune cell functionAnti-angiogenic factorsActivator inhibitor-1Potential protective actionMaternal hemostasisSoluble endoglinEndothelial functionReperfusion injuryMaternal endotheliumMaternal mortalityRelease of microparticlesGrowth restrictionMaternal bloodPreeclampsiaSensitive markerMajor causeInhibitor-1Protective actionReactive oxygen species
2007
Contrasting effects of chronic hypoxia and nitric oxide synthase inhibition on circulating angiogenic factors in a rat model of growth restriction
Bahtiyar MO, Buhimschi C, Ravishankar V, Copel J, Norwitz E, Julien S, Guller S, Buhimschi IA. Contrasting effects of chronic hypoxia and nitric oxide synthase inhibition on circulating angiogenic factors in a rat model of growth restriction. American Journal Of Obstetrics And Gynecology 2007, 196: 72.e1-72.e6. PMID: 17240241, DOI: 10.1016/j.ajog.2006.07.048.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsChronic DiseaseDisease Models, AnimalEnzyme InhibitorsFemaleFetal Growth RetardationHypoxiaNG-Nitroarginine Methyl EsterNitric Oxide SynthasePlacenta Growth FactorPregnancyPregnancy ProteinsRatsRats, Sprague-DawleyVascular Endothelial Growth Factor Receptor-1Vascular Endothelial Growth FactorsConceptsVascular endothelial growth factorL-NAMESerum levelsChronic hypoxiaSoluble fms-like tyrosine kinase-1Nitro-L-arginine methyl esterFms-like tyrosine kinase-1Adult Sprague-Dawley ratsGrowth factorMaternal serum levelsFree serum levelsIntrauterine growth restrictionOnset of laborPlacental growth factorTyrosine kinase-1Subcutaneous osmotic pumpsSprague-Dawley ratsNitric oxide inhibitionEndothelial growth factorNonpregnant controlsSFlt-1Growth restrictionHypoxic chamberMaternal bloodOxide inhibition