2010
Murine visceral leishmaniasis: IgM and polyclonal B‐cell activation lead to disease exacerbation
Deak E, Jayakumar A, Cho KW, Goldsmith‐Pestana K, Dondji B, Lambris JD, McMahon‐Pratt D. Murine visceral leishmaniasis: IgM and polyclonal B‐cell activation lead to disease exacerbation. European Journal Of Immunology 2010, 40: 1355-1368. PMID: 20213734, PMCID: PMC2944234, DOI: 10.1002/eji.200939455.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, ProtozoanAntigen PresentationB-LymphocytesComplement C5aDisease ProgressionFemaleHypergammaglobulinemiaImmunity, InnateImmunization, PassiveImmunoglobulin GImmunoglobulin MInterleukin-10Leishmania infantumLeishmaniasis, VisceralLymph NodesLymphocyte ActivationLymphocyte DepletionMaleMiceMice, Inbred BALB CMice, TransgenicParasitemiaConceptsBALB/c miceC miceDisease exacerbationImmune responseVisceral leishmaniasisB cell-derived IL-10WT BALB/c miceB cell antigen presentationPolyclonal B cell activationAnti-Leishmania responseOngoing immune responseL. infantum infectionHuman visceral leishmaniasisBALB/cB cell expansionIntradermal infection modelB cell activationEstablishment of infectionElevated parasitemiaParasite visceralizationCytokine levelsIL-10Infantum infectionPassive transferAntigen presentation
1996
Leishmania‐infected macrophages sequester endogenously synthesized parasite antigens from presentation to CD4+ T cells
Kima P, Soong L, Chicharro C, Ruddle N, McMahon‐Pratt D. Leishmania‐infected macrophages sequester endogenously synthesized parasite antigens from presentation to CD4+ T cells. European Journal Of Immunology 1996, 26: 3163-3169. PMID: 8977318, DOI: 10.1002/eji.1830261249.Peer-Reviewed Original ResearchConceptsT cellsAntigen presentationParasite antigensMajor histocompatibility complex (MHC) class II moleculesMHC class II pathwayActivation of CD4Peritoneal exudate cellsClass II pathwayClass II moleculesHost immune systemCell linesT cell linesAmastigote antigensLeishmania antigenAntigen sequestrationLeishmania amastigotesMacrophage cell lineExudate cellsCD4Immune systemLive parasitesParasite moleculesAntigenMacrophagesInfected cells