2014
CD4 T cell activation by B cells in human Leishmania (Viannia)infection
Rodriguez-Pinto D, Saravia NG, McMahon-Pratt D. CD4 T cell activation by B cells in human Leishmania (Viannia)infection. BMC Infectious Diseases 2014, 14: 108. PMID: 24568275, PMCID: PMC3937821, DOI: 10.1186/1471-2334-14-108.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBiotinB-LymphocytesCD4-Positive T-LymphocytesColombiaFemaleFlow CytometryFluorescein-5-isothiocyanateGene Expression RegulationHumansImmunoglobulin MInterferon-gammaInterleukin-6Leishmania braziliensisLeishmaniasis, CutaneousLeukocytes, MononuclearLymphocyte ActivationMaleMiddle AgedOvalbuminTumor Necrosis Factor-alphaYoung AdultConceptsCD4 T cellsCutaneous leishmaniasis patientsT cellsB cellsLeishmaniasis patientsT cell activationLeishmania antigenImmune responseCell activationT-cell activation parametersSpecific CD4 T cellsEffective adaptive immune responseCD4 T cell activationB-cell activation markersCultures of PBMCUpregulation of CD86Cell activation markersCostimulatory molecule CD86Activation markers CD25Adaptive immune responsesHuman cutaneous leishmaniasisPurified B cellsT cell culturesHuman B cell linesHuman B cells
1997
In Situ Characterization of the Human Host Response to Leishmania panamensis
Palma G, Saravia N. In Situ Characterization of the Human Host Response to Leishmania panamensis. American Journal Of Dermatopathology 1997, 19: 585-590. PMID: 9415615, DOI: 10.1097/00000372-199712000-00006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, ProtozoanAntigen-Antibody ReactionsAntigens, ProtozoanBiomarkersBiopsyCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesEpidermisFluorescent Antibody Technique, IndirectGranulocytesGranulomaHumansImmunity, CellularImmunohistochemistryLeishmaniaLeishmaniasisLymphocyte ActivationMaleMiddle AgedNecrosisRegression AnalysisSkinConceptsHuman host responseHost responseLeishmania panamensisPresence of amastigotesT cell subpopulationsImmune response dataIndirect immunoperoxidase methodCD8 ratioDermal infiltrateMale patientsHistopathologic changesParticular cell populationPrognostic indicatorLeishmania infectionSkin biopsiesPlasma cellsT cellsDermal distributionCutaneous leishmaniasisProspective analysisB cellsB lymphocytesUpper dermisImmunoperoxidase methodDisease evolution
1991
Correlation between histopathology, immune response, clinical presentation, and evolution in Leishmania braziliensis infection.
Gutierrez Y, Salinas G, Palma G, Valderrama L, Santrich C, Saravia N. Correlation between histopathology, immune response, clinical presentation, and evolution in Leishmania braziliensis infection. American Journal Of Tropical Medicine And Hygiene 1991, 45: 281-9. PMID: 1928562, DOI: 10.4269/ajtmh.1991.45.281.Peer-Reviewed Original ResearchConceptsPresence of amastigotesImmune responseClinical presentationLeishmania-specific immune responseAbsence of amastigotesPresence of epithelioidLymphocyte transformation responsesPresence of granulomasRole of antibodiesCellular immune responsesPresence of eosinophilsSerum antibody titersLeishmania braziliensis infectionPresence of LeishmaniaLeishmanial lesionsBraziliensis infectionCellular infiltrateType hypersensitivityClinical parametersActive lesionsAntibody titersEvolution of diseaseSoluble mediatorsTegumentary leishmaniasisEpitheloid cells
1989
The Relationship of Leishmania braziliensis Subspecies and Immune Response to Disease Expression in New World Leishmaniasis
Saravia N, Valderrama L, Labrada M, Holguin A, Navas C, Palma G, Weigle K. The Relationship of Leishmania braziliensis Subspecies and Immune Response to Disease Expression in New World Leishmaniasis. The Journal Of Infectious Diseases 1989, 159: 725-735. PMID: 2647862, DOI: 10.1093/infdis/159.4.725.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsAntibodies, ProtozoanAntigens, ProtozoanDose-Response Relationship, ImmunologicFluorescent Antibody TechniqueHost-Parasite InteractionsHumansHypersensitivity, DelayedImmune SeraImmunity, CellularKineticsLeishmaniaLeishmania braziliensisLeishmaniasisLeishmaniasis, MucocutaneousLymphocyte ActivationRegression AnalysisConceptsCutaneous DTHLeishmania antigenBraziliensis infectionTegumentary leishmaniasisIFAT titersDisease formsVitro lymphocyte proliferative responseCutaneous DTH responseHuman tegumentary leishmaniasisL. braziliensis infectionLymphocyte proliferative responsesImmune response parametersHigher IFAT titersNew World leishmaniasisPanamensis infectionDTH responseMucocutaneous diseaseClinical presentationLesion durationCutaneous diseaseDisease presentationImmune mechanismsImmune responseProliferative responseTime of evolution
1987
Measles vaccine failure after documented seroconversion
REYES M, DE BORRERO M, ROA J, BERGONZOLI G, SARAVIA N. Measles vaccine failure after documented seroconversion. The Pediatric Infectious Disease Journal 1987, 6: 848-850. PMID: 3670952, DOI: 10.1097/00006454-198709000-00012.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, ViralAntigens, ViralChild, PreschoolHumansInfantLymphocyte ActivationMaleMeaslesMeasles VaccineMeasles virusNeutralization TestsConceptsMeasles vaccine failureSecondary vaccine failureVaccine failureOutcome of immunizationPersistent maternal antibodiesPrimary vaccine failureAttenuated vaccine virusInitial seroconversionInadequate immunizationMaternal antibodiesMeasles antibodyVaccine efficacyVirus neutralization testingImmune responseVaccine virusApparent infectionImmunologic dataNeutralization testingProtective responseMeasles virusSecondary responseWild-type virusSeroconversionVaccinationInfection