2024
Leishmania major surface components and DKK1 signalling via LRP6 promote migration and longevity of neutrophils in the infection site
Ihedioha O, Marcarian H, Sivakoses A, Beverley S, McMahon-Pratt D, Bothwell A. Leishmania major surface components and DKK1 signalling via LRP6 promote migration and longevity of neutrophils in the infection site. Frontiers In Immunology 2024, 15: 1473133. PMID: 39502693, PMCID: PMC11534728, DOI: 10.3389/fimmu.2024.1473133.Peer-Reviewed Original ResearchParasite-infected miceBALB/c miceDickkopf-1Infection siteInfected BALB/c micePathogen-associated molecular patternsWild-type BALB/c miceLevels of apoptosisNull mutantsLeishmania infectionDickkopf-1 levelsDraining lymph nodesNeutrophil-platelet aggregatesLeukocyte-platelet aggregatesInfiltration of neutrophilsReduced neutrophil activationDay 3 PIResponse to infectionSignaling pathwayHost-related factorsMolecular patternsMembrane componentsLRP6Lymph nodesTh2 differentiation
2023
Leishmania major-derived lipophosphoglycan influences the host’s early immune response by inducing platelet activation and DKK1 production via TLR1/2
Ihedioha O, Sivakoses A, Beverley S, McMahon-Pratt D, Bothwell A. Leishmania major-derived lipophosphoglycan influences the host’s early immune response by inducing platelet activation and DKK1 production via TLR1/2. Frontiers In Immunology 2023, 14: 1257046. PMID: 37885890, PMCID: PMC10598878, DOI: 10.3389/fimmu.2023.1257046.Peer-Reviewed Original ResearchConceptsLeukocyte-platelet aggregatesEarly immune responseImmune responsePlatelet activationHost's early immune responseCell-mediated immune responsesTh2 cell polarizationAdaptive immune responsesPro-inflammatory responsePattern recognition receptorsKey virulence factorsRecognition receptorsInfectious diseasesPathogenic moleculesEndothelial cellsWnt antagonistsInfection siteVirulence factorsTLR1/2PlateletsDickkopf1Cell typesLipophosphoglycanActivationResponse
2016
The Wnt Antagonist Dickkopf-1 Promotes Pathological Type 2 Cell-Mediated Inflammation
Chae WJ, Ehrlich AK, Chan PY, Teixeira AM, Henegariu O, Hao L, Shin JH, Park JH, Tang WH, Kim ST, Maher SE, Goldsmith-Pestana K, Shan P, Hwa J, Lee PJ, Krause DS, Rothlin CV, McMahon-Pratt D, Bothwell AL. The Wnt Antagonist Dickkopf-1 Promotes Pathological Type 2 Cell-Mediated Inflammation. Immunity 2016, 44: 246-258. PMID: 26872695, PMCID: PMC4758884, DOI: 10.1016/j.immuni.2016.01.008.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, DermatophagoidesAntigens, ProtozoanAsthmaBlood PlateletsCell DifferentiationCells, CulturedCytokinesExtracellular Signal-Regulated MAP KinasesGene Expression RegulationHumansInflammationIntercellular Signaling Peptides and ProteinsLeishmania majorLeishmaniasis, CutaneousMiceMice, Inbred BALB CMice, Inbred C57BLMice, TransgenicModels, AnimalPyroglyphidaeSignal TransductionTh2 CellsTOR Serine-Threonine KinasesWnt ProteinsConceptsCell-mediated inflammationTh2 cell cytokine productionCell cytokine productionLeukocyte-platelet aggregatesLeukocyte infiltrationDkk-1Cytokine productionT helper 2 cellsLeishmania major infectionHouse dust miteTranscription factor c-MafAllergen challengeMajor infectionDust miteImmune responseDickkopf-1Parasitic infectionsGATA-3Pathological roleFunctional inhibitionInflammationC-MafP38 MAPKInfiltrationInfection