2012
Glucocorticoids Enhance CD163 Expression in Placental Hofbauer Cells
Tang Z, Niven-Fairchild T, Tadesse S, Norwitz ER, Buhimschi CS, Buhimschi IA, Guller S. Glucocorticoids Enhance CD163 Expression in Placental Hofbauer Cells. Endocrinology 2012, 154: 471-482. PMID: 23142809, PMCID: PMC3529384, DOI: 10.1210/en.2012-1575.Peer-Reviewed Original ResearchConceptsHofbauer cellsGC treatmentGC administrationCD163 expressionDEX treatmentCD68 mRNASpontaneous preterm birthMacrophage marker genesPlacental explant culturesAntiinflammatory M2 macrophagesHuman term placentaExpression of FRPreterm deliveryPreterm birthCD163 mRNAM2 macrophagesReceptor mRNAGC actionSynthetic GCFetal capillariesTerm placentaPlacental fibroblastsFlow cytometryCD163 proteinFetal macrophages
2005
Alterations in Syncytiotrophoblast Cytokine Expression Following Treatment with Lipopolysaccharide
Ma Y, Mor G, Abrahams VM, Buhimschi IA, Buhimschi CS, Guller S. Alterations in Syncytiotrophoblast Cytokine Expression Following Treatment with Lipopolysaccharide. American Journal Of Reproductive Immunology 2005, 55: 12-18. PMID: 16364007, DOI: 10.1111/j.1600-0897.2005.00347.x.Peer-Reviewed Original ResearchConceptsCytokine expressionLPS treatmentInflammatory compoundsAnti-inflammatory cytokinesIL-8 levelsInterleukin-8 levelsAnti-inflammatory compoundsEnzyme-linked immunosorbent assayCell typesCytokine levelsGlucocorticoid treatmentMaternal bloodDEX treatmentPlacental syncytiumSyncytiotrophoblastImmunosorbent assayLPSPrimary culturesTreatmentCytokinesFourfold increaseExpressionSyncytiaGestationLevelsThrombin-dependent regulation of matrix metalloproteinase (MMP)-9 levels in human fetal membranes*
Stephenson CD, Lockwood CJ, Ma Y, Guller S. Thrombin-dependent regulation of matrix metalloproteinase (MMP)-9 levels in human fetal membranes*. The Journal Of Maternal-Fetal & Neonatal Medicine 2005, 18: 17-22. PMID: 16105787, DOI: 10.1080/14767050500123632.Peer-Reviewed Original ResearchConceptsMMP-9 levelsMMP-9MMP-1Matrix metalloproteinaseAmniochorionic membranesThrombin receptor agonist peptidePreterm premature ruptureAnti-inflammatory steroidsMajor risk factorMMP-9 expressionThrombin treatmentThrombin receptor agonistPresence of lipopolysaccharideHuman fetal membranesPremature ruptureReceptor agonistRisk factorsSuch hemorrhageDEX treatmentMMP levelsTIMP-1Thrombin receptorTissue inhibitorAgonist peptideFetal membranes
2003
Glucocorticoid Enhances Transforming Growth Factor-β Effects on Extracellular Matrix Protein Expression in Human Placental Mesenchymal Cells1
Lee MJ, Ma Y, LaChapelle L, Kadner SS, Guller S. Glucocorticoid Enhances Transforming Growth Factor-β Effects on Extracellular Matrix Protein Expression in Human Placental Mesenchymal Cells1. Biology Of Reproduction 2003, 70: 1246-1252. PMID: 14681196, DOI: 10.1095/biolreprod.103.021956.Peer-Reviewed Original ResearchConceptsPlacental mesenchymal cellsIntrauterine growth restrictionFFN levelsProtein expressionCol IV expressionInteraction of glucocorticoidsDose-dependent mannerHuman term placentaFibronectin protein levelsExtracellular matrix protein expressionUncomplicated pregnanciesPolymerase chain reaction analysisReal-time polymerase chain reaction analysisGrowth restrictionDEX treatmentChain reaction analysisECM proteinsPlacental villiTerm placentaECM protein expressionCol IIIPlacental architectureMatrix protein expressionDexamethasoneGlucocorticoids
2002
Regulation of Plasminogen Activator Inhibitor (PAI)-1 Expression in a Human Trophoblast Cell Line by Glucocorticoid (GC) and Transforming Growth Factor (TGF)-β
Ma Y, Ryu JS, Dulay A, Segal M, Guller S. Regulation of Plasminogen Activator Inhibitor (PAI)-1 Expression in a Human Trophoblast Cell Line by Glucocorticoid (GC) and Transforming Growth Factor (TGF)-β. Placenta 2002, 23: 727-734. PMID: 12398812, DOI: 10.1053/plac.2002.0863.Peer-Reviewed Original ResearchConceptsHTR-8/SVneo cellsIntrauterine growth restrictionPAI-2 levelsPAI-1 expressionPlasminogen activator inhibitorActivator inhibitorGrowth factorHuman trophoblast cell linePAI-1 levelsTrophoblast cell lineTransforming Growth FactorTGF-beta treatmentTGF-beta effectsPAI-1 proteinFibrin depositionGrowth restrictionDEX treatmentSynthetic glucocorticoidGlucocorticoidsPAI-1Regulation of fibrinolysisDexamethasoneTGF betaExcessive productionMRNA expression