2006
Immunogenicity of the P-8 amastigote antigen in the experimental model of canine visceral leishmaniasis
Carrillo E, Ahmed S, Goldsmith-Pestana K, Nieto J, Osorio Y, Travi B, Moreno J, McMahon-Pratt D. Immunogenicity of the P-8 amastigote antigen in the experimental model of canine visceral leishmaniasis. Vaccine 2006, 25: 1534-1543. PMID: 17178178, PMCID: PMC2571115, DOI: 10.1016/j.vaccine.2006.10.036.Peer-Reviewed Original ResearchConceptsSoluble Leishmania antigenAmastigote antigensImmune responseAmerican cutaneous leishmaniasis patientsTh1-like immune responseSoluble leishmanial antigenCutaneous leishmaniasis patientsIL-4 mRNAAppropriate immune responseCanine visceral leishmaniasisElicit appropriate immune responsesIdentification of LeishmaniaGeneral vaccinesLeishmanial antigensIL-10Leishmania antigenLeishmaniasis patientsSLA antigensTNF-alphaDisease manifestationsIFN-gammaMurine modelMouse modelVisceral leishmaniasisLeishmania infantum
2004
Leishmanial Amastigote Antigen P‐2 Induces Major Histocompatibility Complex Class II‐Dependent Natural Killer‐Cell Reactivity in Cells from Healthy Donors
Nylén S, Maasho K, McMahon‐Pratt D, Akuffo H. Leishmanial Amastigote Antigen P‐2 Induces Major Histocompatibility Complex Class II‐Dependent Natural Killer‐Cell Reactivity in Cells from Healthy Donors. Scandinavian Journal Of Immunology 2004, 59: 294-304. PMID: 15030581, DOI: 10.1111/j.0300-9475.2004.01388.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, ProtozoanCD8-Positive T-LymphocytesFetal BloodHistocompatibility Antigens Class IIHumansInterferon-gammaInterleukin-10Killer Cells, NaturalLeishmaniaLeishmaniasisLymphocyte ActivationProtozoan VaccinesReceptors, IgGReverse Transcriptase Polymerase Chain ReactionRNA, MessengerConceptsHealthy donorsLeishmaniasis patientsAmerican cutaneous leishmaniasis patientsClass IIMajor histocompatibility complex class IIMajor histocompatibility complex classHistocompatibility complex class IIClass II antibodiesCutaneous leishmaniasis patientsInterleukin-10 productionNatural killer cellsProtective immune responseInterferon-gamma productionIFN-gamma responsesMHC class IIHistocompatibility complex classHealthy adult donorsDevelopment of vaccinesAdherent cell populationAmastigote antigensNatural killerKiller cellsCytokine productionCell reactivityLeishmania infection
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 ResearchMeSH KeywordsAnimalsAntigens, ProtozoanFemaleGlycolipidsLeishmaniaMembrane ProteinsMiceMice, Inbred BALB CProteolipidsProtozoan ProteinsProtozoan VaccinesConceptsAntigen 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
Leishmania pifanoi Amastigote Antigen P-4: Epitopes Involved in T-Cell Responsiveness in Human Cutaneous Leishmaniasis
Haberer J, Da-Cruz A, Soong L, Oliveira-Neto M, Rivas L, McMahon-Pratt D, Coutinho S. Leishmania pifanoi Amastigote Antigen P-4: Epitopes Involved in T-Cell Responsiveness in Human Cutaneous Leishmaniasis. Infection And Immunity 1998, 66: 3100-3105. PMID: 9632572, PMCID: PMC108319, DOI: 10.1128/iai.66.7.3100-3105.1998.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsTh1-like responseCytokine productionCutaneous leishmaniasisExperimental murine cutaneous leishmaniasisTh1-like immune responseDetectable interleukin-4Leishmaniasis vaccine developmentCutaneous leishmaniasis patientsMurine cutaneous leishmaniasisBlood mononuclear cellsT cell responsivenessGamma interferon productionT cell proliferationIFN-gamma responsesHuman cutaneous leishmaniasisLeishmaniasis patientsMononuclear cellsImmune responseInterleukin-4Proliferative responseWhole parasite homogenatesIFN-gammaEpitope studiesMultiple epitopesT 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 rise
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