2010
Protein composition of microparticles shed from human placenta during placental perfusion: Potential role in angiogenesis and fibrinolysis in preeclampsia
Guller S, Tang Z, Ma YY, Di Santo S, Sager R, Schneider H. Protein composition of microparticles shed from human placenta during placental perfusion: Potential role in angiogenesis and fibrinolysis in preeclampsia. Placenta 2010, 32: 63-69. PMID: 21074265, PMCID: PMC3762591, DOI: 10.1016/j.placenta.2010.10.011.Peer-Reviewed Original ResearchConceptsPlasminogen activator inhibitorMaternal perfusateSFlt-1Maternal endothelial cell dysfunctionFms-like tyrosine kinasePathophysiology of preeclampsiaMaternal-fetal interfaceEndothelial cell dysfunctionAnti-angiogenic actionFollowing relative levelsPlacental damagePlacental perfusionMaternal serumNormal pregnancyPlacental pathophysiologyAnnexin V bindingSyncytiotrophoblast microparticlesDual perfusionAngiogenic balanceCell dysfunctionMaternal bloodPreeclampsiaActivator inhibitorCytometric analysisLevel of expression
2007
Role of Hypoxia-Inducible Transcription Factors 1α and 2α in the Regulation of Plasminogen Activator Inhibitor-1 Expression in a Human Trophoblast Cell Line
Meade ES, Ma YY, Guller S. Role of Hypoxia-Inducible Transcription Factors 1α and 2α in the Regulation of Plasminogen Activator Inhibitor-1 Expression in a Human Trophoblast Cell Line. Placenta 2007, 28: 1012-1019. PMID: 17570486, PMCID: PMC2001228, DOI: 10.1016/j.placenta.2007.04.005.Peer-Reviewed Original ResearchConceptsPAI-1 expressionHTR-8/SVneo cellsPlasminogen activator inhibitorTrophoblast cell linePAI-1HIF-1alphaHIF-2alphaFirst trimester extravillous trophoblast cell lineHuman trophoblast cell linePlasmin-dependent fibrinolysisExtravillous trophoblast cell linePlasminogen activator inhibitor-1 expressionHypoxia-inducible transcription factor-1αHypoxic conditionsPAI-1 protein levelsCell linesPAI-1 mRNAEarly pregnancyExtracellular matrix degradationHypoxia-inducible transcription factorsQuantitative real-time PCRReal-time PCRActivator inhibitorFactor-1αWestern blotting
2006
Differential Release of Plasminogen Activator Inhibitors (PAIs) During Dual Perfusion of Human Placenta: Implications in Preeclampsia
Guller S, Ma Y, Malek A, Di Santo S, Schneider H. Differential Release of Plasminogen Activator Inhibitors (PAIs) During Dual Perfusion of Human Placenta: Implications in Preeclampsia. Placenta 2006, 28: 278-285. PMID: 16820203, DOI: 10.1016/j.placenta.2006.05.005.Peer-Reviewed Original ResearchConceptsIntrauterine growth restrictionPAI-1 levelsPlasminogen activator inhibitorTotal PAI-1 levelsMaternal perfusateDual perfusionTime-dependent increaseReactive oxygen speciesRelease of PAIActivator inhibitorIntervillous fibrin depositionActive PAI-1 levelsSignificant time-dependent increasePAI-2 levelsPAI-1 releaseHuman term placentaPlacental tissue extractsAberrant fibrinolysisPlacental infarctionMaternal serumFibrin depositionGrowth restrictionIntervillous spacePreeclampsiaTerm placenta
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