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 function
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-2ImmunitySecretion
2007
Cell Type-specific Expression and Function of Toll-like Receptors 2 and 4 in Human Placenta: Implications in Fetal Infection
Ma Y, Krikun G, Abrahams VM, Mor G, Guller S. Cell Type-specific Expression and Function of Toll-like Receptors 2 and 4 in Human Placenta: Implications in Fetal Infection. Placenta 2007, 28: 1024-1031. PMID: 17588655, PMCID: PMC2064901, DOI: 10.1016/j.placenta.2007.05.003.Peer-Reviewed Original ResearchConceptsInnate immune responseIL-8 levelsToll-like receptorsTLR-4Immune responseTLR-2TLR functionTerm placentaToll-like receptor 2Endothelial cellsAdverse fetal outcomesTLR-2 expressionMaternal-fetal interfacePathogen-associated molecular patternsHuman term placentaCell type-specific expressionGram-negative bacterial lipopolysaccharideFetal outcomesPlacental infectionTLR expressionFetal infectionLPS treatmentMajor cell typesImmunohistochemical analysisStem villi