2001
Biochemical and Biological Characterization of the Protective Leishmania pifanoi Amastigote Antigen P-8
Colmenares M, Tiemeyer M, Kima P, McMahon-Pratt D. Biochemical and Biological Characterization of the Protective Leishmania pifanoi Amastigote Antigen P-8. Infection And Immunity 2001, 69: 6776-6784. PMID: 11598050, PMCID: PMC100055, DOI: 10.1128/iai.69.11.6776-6784.2001.Peer-Reviewed Original ResearchConceptsAntigen PFurther vaccine studiesSignificant T cell activationT cell activationWestern blot analysisProtective immunityVaccine studiesApolipoprotein EMurine modelCutaneous leishmaniasisSignificant protectionComparable protectionImmunodominant componentAntigenic glycolipidsImmunity studiesAntigenCysteine proteinasesGlycolipid componentBiochemical analysisBiological characterizationSodium dodecyl sulfate-polyacrylamide gel electrophoresisDodecyl sulfate-polyacrylamide gel electrophoresisSulfate-polyacrylamide gel electrophoresisInfectionLeishmaniasis
1998
T cell responses to crude and defined leishmanial antigens in patients from the Lower Amazon region of Brazil infected with different species of Leishmania of the subgenera Leishmania and Viannia
Silveira F, Blackwell J, Ishikawa E, Braga R, Shaw J, Quinnell R, Soong L, Kima P, McMahon‐Pratt D, Black G, Shaw M. T cell responses to crude and defined leishmanial antigens in patients from the Lower Amazon region of Brazil infected with different species of Leishmania of the subgenera Leishmania and Viannia. Parasite Immunology 1998, 20: 19-26. PMID: 9491414, DOI: 10.1046/j.1365-3024.1998.t01-1-00126.x.Peer-Reviewed Original ResearchConceptsT cell responsesDiffuse cutaneous leishmaniasisLeishmanial antigensCell responsesLCL patientsMucocutaneous leishmaniasisMCL patientsCutaneous leishmaniasisL. amazonensis antigensSkin test responsesL. braziliensis antigensSuitable vaccine candidateDCL patientsPoor respondersGood respondersPatient groupBraziliensis antigensSubgenus LeishmaniaAntigen A2Vaccine candidatesPatientsPotent stimulatorA2 antigenAntigenSignificant riseLeishmania Amastigote Target Antigens: The Challenge of a Stealthy Intracellular Parasite
McMahon-Pratt D, Kima P, Soong L. Leishmania Amastigote Target Antigens: The Challenge of a Stealthy Intracellular Parasite. Trends In Parasitology 1998, 14: 31-34. PMID: 17040687, DOI: 10.1016/s0169-4758(97)01164-2.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsClass II presentation pathwayAmastigote stageMHC class ILeishmanial vaccineLeishmanial antigensAntigen presentationT cellsElicit protectionImmunized hostsPresentation pathwayInfected macrophagesMolecular vaccinesVaccine targetsInfected mammalian hostsClass IIntracellular parasitesVaccineInfectionCandidate moleculesMacrophagesMammalian hostsDevelopmental formsImmunizationAntigenLeishmaniasis
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
1995
Leishmania pifanoi amastigote antigens protect mice against cutaneous leishmaniasis
Soong L, Duboise S, Kima P, McMahon-Pratt D. Leishmania pifanoi amastigote antigens protect mice against cutaneous leishmaniasis. Infection And Immunity 1995, 63: 3559-3566. PMID: 7642292, PMCID: PMC173494, DOI: 10.1128/iai.63.9.3559-3566.1995.Peer-Reviewed Original ResearchConceptsBALB/c miceAmastigote antigensC miceImmune responseTh1 cell-mediated immune responseCell-mediated immune responsesCBA/J miceCross-species protectionGamma interferon productionWeeks of infectionAmastigotes of LeishmaniaHost immune responseStage-specific antigensAmazonensis infectionImmunized miceIntraperitoneal injectionJ miceCorynebacterium parvumLeishmaniasis vaccineProliferative responseVaccine potentialCutaneous leishmaniasisParasite burdenInterferon productionAntigen
1991
Leishmania donovani chagasi: new clinical variant of cutaneous leishmaniasis in Honduras
Ponce C, Ponce E, Morrison A, Cruz A, Kreutzer R, McMahon-Pratt D, Neva F. Leishmania donovani chagasi: new clinical variant of cutaneous leishmaniasis in Honduras. The Lancet 1991, 337: 67-70. PMID: 1670724, DOI: 10.1016/0140-6736(91)90734-7.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasisSkin lesionsEndemic visceral leishmaniasisMontenegro skin testNew clinical variantAtypical cutaneous leishmaniasisSkin testLaboratory criteriaClinical variantsVisceral leishmaniasisKala-azarBone marrowPatientsParasite isolatesLesionsMajor antigenLeishmaniasisLeishmania mexicanaUnusual formIsoenzyme analysisYearsMarrowAntigenChagasiMonths
1989
Monoclonal Antibodies Specific for Members of the Genus Endotrypanum
LOPES A, McMAHON‐PRATT D. Monoclonal Antibodies Specific for Members of the Genus Endotrypanum. Journal Of Eukaryotic Microbiology 1989, 36: 354-361. PMID: 2504911, DOI: 10.1111/j.1550-7408.1989.tb05526.x.Peer-Reviewed Original Research
1987
Serodiagnostic assay for visceral leishmaniasis employing monoclonal antibodies
Jaffe C, McMahon-Pratt D. Serodiagnostic assay for visceral leishmaniasis employing monoclonal antibodies. Transactions Of The Royal Society Of Tropical Medicine And Hygiene 1987, 81: 587-594. PMID: 3445339, DOI: 10.1016/0035-9203(87)90418-4.Peer-Reviewed Original ResearchConceptsVisceral leishmaniasisMonoclonal antibodiesSerodiagnostic assaysVL seraParasite antigensChagas diseaseSystemic lupus erythematosusNon-endemic areasDifferent parasite antigensLeishmania antigenLupus erythematosusMucocutaneous leishmaniasisLepromatous leprosyNegative control seraPositive casesSpecies-specific monoclonal antibodiesNormal serumControl seraRapid diagnosisAntigenSerum dilutionSerumAntibodiesLeishmaniasisSpecific inhibition
1984
Production and characterization of species-specific monoclonal antibodies against Leishmania donovani for immunodiagnosis.
Jaffe C, Bennett E, Grimaldi G, McMahon-Pratt D. Production and characterization of species-specific monoclonal antibodies against Leishmania donovani for immunodiagnosis. The Journal Of Immunology 1984, 133: 440-7. PMID: 6373932, DOI: 10.4049/jimmunol.133.1.440.Peer-Reviewed Original ResearchConceptsMonoclonal antibodiesVisceral leishmaniasisSpecies-specific monoclonal antibodiesL. donovaniAntibody DAntigenic determinantsLeishmania donovaniKala-azar serumWestern blot analysisSpecies of LeishmaniaSerologic assaysEpidemiologic studiesClinical diagnosisWestern blotAntigenic moleculesProtein antigensRadioimmunoprecipitation analysisAntibodiesLeishmaniasisLeishmania speciesLeishmania stocksDonovaniMonoclonal antibody DBlot analysisAntigen