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
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
2012
Toll‐Like Receptor 4 Expression in Decidual Cells and Interstitial Trophoblasts Across Human Pregnancy
Schatz F, Kayisli UA, Vatandaslar E, Ocak N, Guller S, Abrahams VM, Krikun G, Lockwood CJ. Toll‐Like Receptor 4 Expression in Decidual Cells and Interstitial Trophoblasts Across Human Pregnancy. American Journal Of Reproductive Immunology 2012, 68: 146-153. PMID: 22564191, PMCID: PMC3395732, DOI: 10.1111/j.1600-0897.2012.01148.x.Peer-Reviewed Original ResearchConceptsToll-like receptor 4Interstitial trophoblastDecidual cellsDanger signalsToll-like receptor 4 expressionFirst trimester decidual cellsReceptor 4 expressionHuman pregnancyElective terminationNormal deliveryDecidua parietalisReceptor 4Luteal phaseStromal cellsGram-negative bacteriaSerial sectionsTrophoblastPrimary targetCellsClose contactEndometriumPregnancyHScoreGestationCytokeratin
2008
Placental expression of ceruloplasmin in pregnancies complicated by severe preeclampsia
Guller S, Buhimschi CS, Y Y, Huang T, Yang L, Kuczynski E, Zambrano E, Lockwood CJ, Buhimschi IA. Placental expression of ceruloplasmin in pregnancies complicated by severe preeclampsia. Laboratory Investigation 2008, 88: 1057-1067. PMID: 18679377, PMCID: PMC2682720, DOI: 10.1038/labinvest.2008.74.Peer-Reviewed Original ResearchConceptsPlasminogen activator inhibitor-1Severe preeclampsiaReperfusion injurySFlt-1Soluble fms-like tyrosine kinase-1Fms-like tyrosine kinase-1Ischemia/reperfusion injuryLife-threatening syndromeSubsequent reperfusion injuryTerm control groupPathophysiology of preeclampsiaTyrosine kinase-1Activator inhibitor-1Release of factorsSignificant increasePresence of mRNAUpregulation of mRNACeruloplasmin mRNAPlacental damagePlacental factorsMicroarray gene profilingEndothelium dysfunctionPE placentasQuantitative real-time PCRIntervillous space