2024
Antiphospholipid-exposed trophoblast-derived extracellular vesicles express elevated levels of TLR7/8-activating microRNAs and induce endometrial endothelial activation, in part, through TLR7
Coenen C, Hidalgo T, Lynn T, Jones D, Salmon J, Chamley L, Abrahams V. Antiphospholipid-exposed trophoblast-derived extracellular vesicles express elevated levels of TLR7/8-activating microRNAs and induce endometrial endothelial activation, in part, through TLR7. Journal Of Reproductive Immunology 2024, 164: 104255. PMID: 38797133, DOI: 10.1016/j.jri.2024.104255.Peer-Reviewed Original ResearchHuman endometrial endothelial cellsObstetric antiphospholipid syndromeToll-like receptor 4MiR-146a-3pMaternal-fetal interfaceAntiphospholipid syndromeIL-8 responseEndometrial endothelial cellsTrophoblast cellsExtracellular vesiclesElevated levels of IL-8IL-8Endothelial cellsLevels of IL-8Activation of Toll-like receptor 4Downstream of toll-like receptor 4Exposure to aPLElevated levelsExtravillous trophoblast cellsHuman trophoblast cellsInsufficient placentationTrophoblast-derived extracellular vesiclesAntiphospholipid antibodiesMaternal vasculaturePlacental trophoblasts
2018
Antiphospholipid Antibodies Inhibit Trophoblast Toll‐Like Receptor and Inflammasome Negative Regulators
Mulla MJ, Weel IC, Potter JA, Gysler SM, Salmon JE, Peraçoli MTS, Rothlin CV, Chamley LW, Abrahams VM. Antiphospholipid Antibodies Inhibit Trophoblast Toll‐Like Receptor and Inflammasome Negative Regulators. Arthritis & Rheumatology 2018, 70: 891-902. PMID: 29342502, PMCID: PMC5984662, DOI: 10.1002/art.40416.Peer-Reviewed Original ResearchConceptsGrowth arrest-specific protein 6Quantitative reverse transcription polymerase chain reactionEnzyme-linked immunosorbent assayLigand growth arrest-specific protein 6TAM receptor functionTrophoblast inflammationAntiphospholipid antibodiesInflammasome functionReceptor functionToll-like receptor 4Human first-trimester trophoblastsTAM receptor signalingGlycoprotein I antibodiesInterleukin-8 responseRobust inflammatory responseToll-like receptorsEffects of aPLReverse transcription-polymerase chain reactionIL-1β responseIL-1β secretionFirst trimester trophoblastsTranscription-polymerase chain reactionAutophagy inducer rapamycinPlacental inflammationSubsequent TLR
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
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