2020
NLRP3 inflammasome function and pyroptotic cell death in human placental Hofbauer cells
Abrahams VM, Tang Z, Mor G, Guller S. NLRP3 inflammasome function and pyroptotic cell death in human placental Hofbauer cells. Journal Of Reproductive Immunology 2020, 142: 103214. PMID: 33152658, PMCID: PMC7770077, DOI: 10.1016/j.jri.2020.103214.Peer-Reviewed Original ResearchConceptsHofbauer cellsCaspase-1 activationIL-1β processingIL-1βInflammasome activationFetal inflammatory response syndromeSubsequent pregnancy complicationsInflammatory response syndromeCell deathNLRP3 inflammasome activationInterleukin-1 betaIL-1β secretionInhibition of P2X7Human term placentaGasdermin D cleavageNLRP3 knockdownPlacental inflammationPyroptotic cell deathFetal inflammationHistologic chorioamnionitisPregnancy complicationsResponse syndromeNLRP3 inflammasomeProtein/gene expressionInflammatory formHerpesvirus-infected Hofbauer cells activate endothelial cells through an IL-1β-dependent mechanism
Hendrix P, Tang Z, Silasi M, Racicot KE, Mor G, Abrahams VM, Guller S. Herpesvirus-infected Hofbauer cells activate endothelial cells through an IL-1β-dependent mechanism. Placenta 2020, 91: 59-65. PMID: 32174308, PMCID: PMC7078070, DOI: 10.1016/j.placenta.2020.01.010.Peer-Reviewed Original ResearchConceptsHuman umbilical vein endothelial cellsHofbauer cellsIL-1βAdhesion molecule-1Placental viral infectionsIL-8Viral infectionFetal inflammationEndothelial cellsE-selectinMolecule-1IL-1 receptor antagonistVascular adhesion molecule-1Intercellular adhesion molecule-1Adverse pregnancy outcomesMHV-68 infectionIL-1β secretionICAM-1 mRNAUmbilical vein endothelial cellsUmbilical endothelial cellsPregnancy outcomesVein endothelial cellsIL-1raPlacental macrophagesHUVEC expression
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
2017
Viral Infection Sensitizes Human Fetal Membranes to Bacterial Lipopolysaccharide by MERTK Inhibition and Inflammasome Activation.
Cross SN, Potter JA, Aldo P, Kwon JY, Pitruzzello M, Tong M, Guller S, Rothlin CV, Mor G, Abrahams VM. Viral Infection Sensitizes Human Fetal Membranes to Bacterial Lipopolysaccharide by MERTK Inhibition and Inflammasome Activation. The Journal Of Immunology 2017, 199: 2885-2895. PMID: 28916522, PMCID: PMC5659726, DOI: 10.4049/jimmunol.1700870.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedChorioamnionitisC-Mer Tyrosine KinaseExtraembryonic MembranesFemaleGammaherpesvirinaeHerpesviridae InfectionsHerpesvirus 2, HumanHumansImmunizationInflammasomesIntercellular Signaling Peptides and ProteinsInterleukin-1betaLipopolysaccharidesMiceMice, Inbred C57BLMice, KnockoutPregnancyPremature BirthProto-Oncogene ProteinsReceptor Protein-Tyrosine KinasesConceptsFetal membranesViral infectionImmune responseTAM receptorsSubsequent preterm birthAdverse pregnancy outcomesIL-1β productionIL-1β responseHerpes viral infectionsInnate immune responseVivo mouse modelHuman fetal membranesAggravated inflammationIL-1β processingPregnancy outcomesPreterm birthAssociated complicationsPremature rupturePregnant womenLocal infectionInflammasome activationMerTK inhibitionMouse modelBacterial LPSLigand expression
2014
Human Fetal Membranes Generate Distinct Cytokine Profiles in Response to Bacterial Toll-Like Receptor and Nod-Like Receptor Agonists1
Hoang M, Potter JA, Gysler SM, Han CS, Guller S, Norwitz ER, Abrahams VM. Human Fetal Membranes Generate Distinct Cytokine Profiles in Response to Bacterial Toll-Like Receptor and Nod-Like Receptor Agonists1. Biology Of Reproduction 2014, 90: 39, 1-9. PMID: 24429216, PMCID: PMC4076407, DOI: 10.1095/biolreprod.113.115428.Peer-Reviewed Original ResearchConceptsBacterial toll-like receptorsToll-like receptorsPathogen-associated molecular patternsInnate immune pattern recognition receptorsNOD-like receptorsPattern recognition receptorsImmune pattern recognition receptorsCytokine profileIL1B secretionFetal membranesCpG ODNCaspase-1Subsequent preterm birthInflammatory cytokine profilePreterm premature ruptureDistinct cytokine profilesMaternal-fetal interfaceInfection-associated inflammationMild stimulatory effectNLR agonistsPreterm birthPremature ruptureProinflammatory cytokinesCytokine productionMCP-1
2006
Tumor Necrosis Factor-α and Interleukin-1β Regulate Interleukin-8 Expression in Third Trimester Decidual Cells Implications for the Genesis of Chorioamnionitis
Lockwood CJ, Arcuri F, Toti P, De Felice C, Krikun G, Guller S, Buchwalder LF, Schatz F. Tumor Necrosis Factor-α and Interleukin-1β Regulate Interleukin-8 Expression in Third Trimester Decidual Cells Implications for the Genesis of Chorioamnionitis. American Journal Of Pathology 2006, 169: 1294-1302. PMID: 17003486, PMCID: PMC1698845, DOI: 10.2353/ajpath.2006.060185.Peer-Reviewed Original ResearchConceptsTerm decidual cellsIL-8 expressionInterleukin-8 expressionTranscriptase-polymerase chain reactionDecidual cellsNeutrophil infiltrationIL-8TNF-alphaIL-8 secretion levelsIL-8 levelsIntense neutrophil infiltrationReverse transcriptase-polymerase chain reactionChain reactionInterleukin-1 betaTumor necrosis factorIL-8 mRNAEnzyme-linked immunosorbentIL-8 outputConcentration-response studiesNeutrophil infiltrateSteroidal milieuTerm deciduaTumor necrosisNecrosis factorImmunohistochemical staining