2022
Placental macrophage responses to viral and bacterial ligands and the influence of fetal sex
Pantazi P, Kaforou M, Tang Z, Abrahams V, McArdle A, Guller S, Holder B. Placental macrophage responses to viral and bacterial ligands and the influence of fetal sex. IScience 2022, 25: 105653. PMID: 36505933, PMCID: PMC9732417, DOI: 10.1016/j.isci.2022.105653.Peer-Reviewed Original ResearchPathogen-associated molecular patternsViral pathogen-associated molecular patternsHofbauer cellsFetal sexMajor histocompatibility complex class IAdverse pregnancy outcomesHistocompatibility complex class IToll-like receptorsComplex class ISex-dependent responseInfectious triggerPregnancy outcomesPlacental macrophagesVertical pathogen transmissionViral infectionLipid metabolismMacrophage responseBacterial ligandsProtein expression changesClass IMolecular patternsPlacentaMacrophagesCytoskeleton organizationQuantitative proteomics
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
2016
Antiphospholipid antibody-induced miR-146a-3p drives trophoblast interleukin-8 secretion through activation of Toll-like receptor 8
Gysler SM, Mulla MJ, Guerra M, Brosens JJ, Salmon JE, Chamley LW, Abrahams VM. Antiphospholipid antibody-induced miR-146a-3p drives trophoblast interleukin-8 secretion through activation of Toll-like receptor 8. Molecular Human Reproduction 2016, 22: 465-474. PMID: 27029214, PMCID: PMC4941806, DOI: 10.1093/molehr/gaw027.Peer-Reviewed Original ResearchConceptsToll-like receptor 4IL-8 secretionAdverse pregnancy outcomesTrophoblast-derived exosomesHealthy pregnant controlsMiR-146aTrophoblast cellsMiR-155MiR-210Pregnancy complicationsAntiphospholipid syndromePregnant controlsTLR4 antagonistHTR8 cellsHuman first-trimester extravillous trophoblast cell lineFirst trimester extravillous trophoblast cell lineRelated adverse pregnancy outcomesAbsence of aPLMiR expression levelsPanel of miRsObstetric antiphospholipid syndromeExtravillous trophoblast cell lineToll-like receptor 8Pro-inflammatory effectsAmerican Heart Association
2014
Single- 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 ResearchConceptsHuman 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
2013
A Role for Uric Acid and the Nalp3 Inflammasome in Antiphospholipid Antibody-Induced IL-1β Production by Human First Trimester Trophoblast
Mulla MJ, Salmon JE, Chamley LW, Brosens JJ, Boeras CM, Kavathas PB, Abrahams VM. A Role for Uric Acid and the Nalp3 Inflammasome in Antiphospholipid Antibody-Induced IL-1β Production by Human First Trimester Trophoblast. PLOS ONE 2013, 8: e65237. PMID: 23762324, PMCID: PMC3675211, DOI: 10.1371/journal.pone.0065237.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, AntiphospholipidAntiphospholipid SyndromeBeta 2-Glycoprotein ICARD Signaling Adaptor ProteinsCarrier ProteinsCaspase 1Cell LineCytoskeletal ProteinsFemaleGene Expression RegulationHumansInflammasomesInterleukin-1betaMiceNLR Family, Pyrin Domain-Containing 3 ProteinPregnancyPregnancy Trimester, FirstProtein PrecursorsSignal TransductionToll-Like Receptor 4TrophoblastsUric AcidConceptsIL-1β productionIntrauterine growth restrictionIL-1β secretionAntiphospholipid syndromeIL-1β processingAntiphospholipid antibodiesIL-1βHuman first trimester trophoblast cell lineFirst trimester trophoblast cell lineUric acidNalp3/ASC inflammasomeHuman first trimester trophoblast cellsToll-like receptor 4Human first-trimester trophoblastsFirst trimester trophoblast cellsAnti-β2GPI AbsAdverse pregnancy outcomesAnti-β2GPI antibodiesRecurrent pregnancy lossTLR4-dependent mannerApoptosis-associated speck-like proteinMaternal-fetal interfaceFirst trimester trophoblastsSpeck-like proteinTrophoblast cell line