2014
Transcriptional profiling of the spleen in progressive visceral leishmaniasis reveals mixed expression of type 1 and type 2 cytokine-responsive genes
Espitia CM, Saldarriaga OA, Travi BL, Osorio EY, Hernandez A, Band M, Patel MJ, Medina AA, Cappello M, Pekosz A, Melby PC. Transcriptional profiling of the spleen in progressive visceral leishmaniasis reveals mixed expression of type 1 and type 2 cytokine-responsive genes. BMC Immunology 2014, 15: 38. PMID: 25424735, PMCID: PMC4253007, DOI: 10.1186/s12865-014-0038-z.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCluster AnalysisCricetinaeCytokinesDisease ProgressionDNA, ComplementaryExpressed Sequence TagsGene Expression ProfilingGene Expression RegulationGene OntologyHumansInterferon-gammaLeishmania donovaniLeishmaniasis, VisceralMesocricetusMolecular Sequence AnnotationOligonucleotide Array Sequence AnalysisPrincipal Component AnalysisRNA, MessengerSignal TransductionSpleenUp-RegulationConceptsSyrian golden hamstersVisceral leishmaniasisHamster modelGolden hamstersProgressive visceral leishmaniasisIL-4/ILIFN-γ responsesAlternative macrophage activationProgression of diseaseStudy of immunopathogenesisHamster infection modelPolarization of macrophagesImmune cell traffickingImmune response genesImmune-related genesSpleen responseImmunopathological featuresMassive splenomegalyInfected groupMacrophage activationIntracellular protozoanCell traffickingType 1Infection modelLeishmaniasis
2012
Frequency and intensity of exposure mediate resistance to experimental infection with the hookworm, Ancylostoma ceylanicum
Davey D, Manickam N, Simms BT, Harrison LM, Vermeire JJ, Cappello M. Frequency and intensity of exposure mediate resistance to experimental infection with the hookworm, Ancylostoma ceylanicum. Experimental Parasitology 2012, 133: 243-249. PMID: 23232252, PMCID: PMC3580025, DOI: 10.1016/j.exppara.2012.11.010.Peer-Reviewed Original ResearchConceptsExperimental infectionThird-stage hookworm larvaeParasite-specific IgAHumoral immune responseStudy of pathogenesisResource-limited countriesHuman hookworm diseaseHookworm infectionLifelong susceptibilityPrimary infectionImmune responseProlonged susceptibilitySubsequent challengeAntibody productionVaccine developmentHookworm larvaeHookworm diseaseIntestinal nematodesInfectionPathological effectsRepeated exposureAncylostoma ceylanicumContinued susceptibilityMajor causeMediate resistance
2008
Role for Nitric Oxide in Hookworm-Associated Immune Suppression
Dondji B, Bungiro RD, Harrison LM, Vermeire JJ, Bifulco C, McMahon-Pratt D, Cappello M. Role for Nitric Oxide in Hookworm-Associated Immune Suppression. Infection And Immunity 2008, 76: 2560-2567. PMID: 18347036, PMCID: PMC2423093, DOI: 10.1128/iai.00094-08.Peer-Reviewed Original ResearchConceptsAntigen-presenting cellsHookworm infectionNitric oxideInfected animalsMesenteric lymph node cellsHost cellular immune responseCellular immune responsesLymph node cellsProliferative capacityT cell preparationsSurface immunoglobulin GParasite-induced immunosuppressionResource-poor countriesHookworm antigensMLN cellsLymphocyte subpopulationsPositive lymphocytesCellular immunityImmune suppressionLymphocyte proliferationNode cellsFluorescence-activated cell sortingInfected hamstersImmune responseAnimal studies