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
2017
Mechanisms of Antiphospholipid Antibody-Mediated Pregnancy Morbidity
Salmon J, Mineo C, Giles I, Chamley L, Meroni P, Abrahams V. Mechanisms of Antiphospholipid Antibody-Mediated Pregnancy Morbidity. 2017, 117-143. DOI: 10.1007/978-3-319-55442-6_6.Peer-Reviewed Original ResearchIntrauterine growth restrictionPregnancy complicationsAntiphospholipid syndromeAntiphospholipid antibodiesRecurrent early pregnancy lossImpaired placental functionLate obstetrical complicationsNon-thrombotic eventsPartial beneficial effectEarly pregnancy lossMaternal-fetal interfacePregnancy morbidityAPS patientsObstetrical complicationsThrombotic eventsTrophoblast functionsPregnancy lossGrowth restrictionPlacental functionHigh riskComplicationsPathogenic mechanismsComplement activationBeneficial effectsPatients
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
2012
What is the Mechanism(s) of Antiphospholipid Antibody-Mediated Pregnancy Morbidity?
Abrahams V, Borghi M, Meroni P, Rand J, Raschi E, Salmon J, Tedesco F, Tincani A. What is the Mechanism(s) of Antiphospholipid Antibody-Mediated Pregnancy Morbidity? 2012, 79-101. DOI: 10.1007/978-1-4614-3194-7_5.Peer-Reviewed Original ResearchPregnancy complicationsAntiphospholipid syndromeAntiphospholipid antibodiesRecurrent early pregnancy lossImpaired placental functionLate obstetrical complicationsNon-thrombotic eventsPartial beneficial effectIntrauterine growth restrictionEarly pregnancy lossMaternal-fetal interfacePregnancy morbidityAPS patientsObstetrical complicationsThrombotic eventsTrophoblast functionsPregnancy lossGrowth restrictionPlacental functionHigh riskComplicationsPathogenic mechanismsComplement activationBeneficial effectsPatients