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
Role of NOD2 in antiphospholipid antibody-induced and bacterial MDP amplification of trophoblast inflammation
Mulla MJ, Pasternak MC, Salmon JE, Chamley LW, Abrahams VM. Role of NOD2 in antiphospholipid antibody-induced and bacterial MDP amplification of trophoblast inflammation. Journal Of Autoimmunity 2018, 98: 103-112. PMID: 30594350, DOI: 10.1016/j.jaut.2018.12.003.Peer-Reviewed Original ResearchConceptsMuramyl dipeptideAbsence of aPLAnti-angiogenic profileNovel danger signalPresence of aPLRole of NOD2IL-1β expressionMaternal-fetal interfaceActivation of NOD2IL-1β productionBacterial muramyl dipeptideAntiphospholipid antibodiesCommon bacterial componentsPregnancy complicationsPregnancy outcomesAdverse outcomesIL-1βTrophoblast responsesExtravillous trophoblastsHigh riskPreeclampsiaDanger signalsBacterial infectionsVEGF secretionInflammationAntiphospholipid 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
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
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
2010
Antiphospholipid antibodies limit trophoblast migration by reducing IL‐6 production and STAT3 activity
Mulla M, Myrtolli K, Brosens J, Chamley L, Kwak‐Kim J, Paidas M, Abrahams V. Antiphospholipid antibodies limit trophoblast migration by reducing IL‐6 production and STAT3 activity. American Journal Of Reproductive Immunology 2010, 65: 88-88. DOI: 10.1111/j.1600-0897.2010.00957.x.Peer-Reviewed Original Research