2020
Trophoblast-secreted soluble-PD-L1 modulates macrophage polarization and function
Zhang Y, Aldo P, You Y, Ding J, Kaislasuo J, Petersen JF, Lokkegaard E, Peng G, Paidas MJ, Simpson S, Pal L, Guller S, Liu H, Liao AH, Mor G. Trophoblast-secreted soluble-PD-L1 modulates macrophage polarization and function. Journal Of Leukocyte Biology 2020, 108: 983-998. PMID: 32386458, PMCID: PMC8190653, DOI: 10.1002/jlb.1a0420-012rr.Peer-Reviewed Original ResearchConceptsSoluble PD-L1Macrophage polarizationTrophoblast cellsCell death ligand 1PD-L1/PDPD-1 blockageDeath ligand 1Macrophage differentiationModulates macrophage polarizationExpression/secretionDecidual macrophagesHealthy pregnancyPD-L1Pregnant womenTLR4 ligationM2 phenotypeExpression of typeFetal developmentLPS activationMacrophagesIFNPlacenta developmentLigand 1Constitutive productionGestation
2018
Excess glucose induce trophoblast inflammation and limit cell migration through HMGB1 activation of Toll‐Like receptor 4
Heim KR, Mulla MJ, Potter JA, Han CS, Guller S, Abrahams VM. Excess glucose induce trophoblast inflammation and limit cell migration through HMGB1 activation of Toll‐Like receptor 4. American Journal Of Reproductive Immunology 2018, 80: e13044. PMID: 30175447, DOI: 10.1111/aji.13044.Peer-Reviewed Original ResearchConceptsToll-like receptor 4High mobility group box 1Damage-associated molecular patternsHMGB1 activationIL-1βIL-8Trophoblast responsesReceptor 4Human first trimester trophoblast cell lineFirst trimester trophoblast cell lineInflammatory IL-8Risk of preeclampsiaGroup box 1Uric acidIL-1β responseExcess glucoseTrophoblast cell lineCell migrationTrophoblast inflammationPregnancy outcomesTLR4 antagonistLPS-RSIL-6SFlt-1HMGB1 inhibitor
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
2009
ORIGINAL ARTICLE: Regulation of Nod1 and Nod2 in First Trimester Trophoblast Cells
Mulla MJ, Yu AG, Cardenas I, Guller S, Panda B, Abrahams VM. ORIGINAL ARTICLE: Regulation of Nod1 and Nod2 in First Trimester Trophoblast Cells. American Journal Of Reproductive Immunology 2009, 61: 294-302. PMID: 19260860, DOI: 10.1111/j.1600-0897.2009.00694.x.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisBenzamidesCells, CulturedCytokinesDiaminopimelic AcidFemaleGene Expression Regulation, DevelopmentalHumansLipopolysaccharidesNF-kappa BNod1 Signaling Adaptor ProteinNod2 Signaling Adaptor ProteinPregnancyPregnancy Trimester, FirstSequence DeletionSignal TransductionThiazolesToll-Like Receptor 4TransgenesTrophoblastsConceptsFirst trimester trophoblast cellsTrophoblast cellsExpression of NOD1Cytoplasmic pattern recognition receptorsProduction of cytokinesNOD2 mRNA expressionPattern recognition receptorsNOD2 expressionCytokine responsesInflammatory responseNOD2 activationNOD1 activationNFkappaB inhibitorRecognition receptorsNOD1Nod1 stimulationNOD2Bacterial lipopolysaccharideMRNA expressionTLR4LipopolysaccharideNFkappaB pathwayRT-PCRBacterial peptidesTrophoblast
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