2014
Toll‐like Receptor‐Mediated Responses by Placental Hofbauer Cells (HBCs): A Potential Pro‐Inflammatory Role for Fetal M2 Macrophages
Young OM, Tang Z, Niven‐Fairchild T, Tadesse S, Krikun G, Norwitz ER, Mor G, Abrahams VM, Guller S. Toll‐like Receptor‐Mediated Responses by Placental Hofbauer Cells (HBCs): A Potential Pro‐Inflammatory Role for Fetal M2 Macrophages. American Journal Of Reproductive Immunology 2014, 73: 22-35. PMID: 25345551, PMCID: PMC4268350, DOI: 10.1111/aji.12336.Peer-Reviewed Original ResearchConceptsHofbauer cellsHuman umbilical vein endothelial cellsM2 macrophagesTLR-3TLR-4Potential pro-inflammatory roleToll-like receptor functionPlacental villous coreAdverse pregnancy outcomesPro-inflammatory rolePlacental Hofbauer cellsIL-6 secretionToll-like receptorsPolycytidylic acid treatmentUmbilical vein endothelial cellsFetal inflammationPregnancy outcomesVein endothelial cellsTLR agonistsTLR-2Cytokine secretionInflammatory responseVillous corePlacental fibroblastsReceptor functionSingle- and double-stranded viral RNA generate distinct cytokine and antiviral responses in human fetal membranes
Bakaysa SL, Potter JA, Hoang M, Han CS, Guller S, Norwitz ER, Abrahams VM. Single- and double-stranded viral RNA generate distinct cytokine and antiviral responses in human fetal membranes. Molecular Human Reproduction 2014, 20: 701-708. PMID: 24723465, PMCID: PMC4072183, DOI: 10.1093/molehr/gau028.Peer-Reviewed Original ResearchMeSH KeywordsCytokinesExtraembryonic MembranesFemaleHumansPoly I-CPregnancyRNA, Double-StrandedRNA, ViralUp-RegulationConceptsHuman fetal membranesToll-like receptorsMIP-1βMIP-1αFetal membranesAntiviral responseIL-1βIL-6IL-2Viral infectionG-CSFCytokine/chemokine profilesViral ssRNAAdverse pregnancy outcomesMaternal-fetal interfaceInfection-associated inflammationMCP-1 secretionViral dsRNA analogueTNF-α productionMIP-1α secretionTLR adapter proteinsExpression of IFNβPregnancy outcomesCytokine profileChemokine profiles
2012
Lipopolysaccharide Appears to Activate Human Endometrial Endothelial Cells Through TLR‐4‐Dependent and TLR‐4‐Independent Mechanisms
Krikun G, Trezza J, Shaw J, Rahman M, Guller S, Abrahams VM, Lockwood CJ. Lipopolysaccharide Appears to Activate Human Endometrial Endothelial Cells Through TLR‐4‐Dependent and TLR‐4‐Independent Mechanisms. American Journal Of Reproductive Immunology 2012, 68: 233-237. PMID: 22672000, PMCID: PMC3418410, DOI: 10.1111/j.1600-0897.2012.01164.x.Peer-Reviewed Original ResearchConceptsEndometrial endothelial cellsTissue factor expressionHuman endometrial endothelial cellsToll-like receptorsLPS-RSFactor expressionEndothelial cellsBacterial lipopolysaccharideTLR-4Innate immunityCytokine/chemokine responsesTLR-4 antagonistGram-negative bacterial lipopolysaccharideChemokine responsesIL-6IL-8Cytokine secretionG-CSFWestern blotLipopolysaccharideBacterial componentsCell-free supernatantMD-2ImmunitySecretionToll‐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