2009
Detection of Leishmania in Unaffected Mucosal Tissues of Patients with Cutaneous Leishmaniasis Caused by Leishmania (Viannia) Species
Figueroa RA, Lozano LE, Romero IC, Cardona MT, Prager M, Pacheco R, Diaz YR, Tellez JA, Saravia NG. Detection of Leishmania in Unaffected Mucosal Tissues of Patients with Cutaneous Leishmaniasis Caused by Leishmania (Viannia) Species. The Journal Of Infectious Diseases 2009, 200: 638-646. PMID: 19569974, PMCID: PMC5056532, DOI: 10.1086/600109.Peer-Reviewed Original ResearchConceptsKinetoplast minicircle DNAMucosal tissuesCutaneous leishmaniasisMucocutaneous leishmaniasisNasal mucosaSwab samplesMucosa of patientsLeishmania speciesPresence of LeishmaniaDetection of LeishmaniaMucosal leishmaniasisMucosal diseaseCutaneous diseaseLeishmania infectionPolymerase chain reactionParasitological evaluationPatientsLeishmania panamensisLeishmania guyanensisMucosaNatural historyLeishmaniasisLeishmania braziliensisChain reactionAsymptomatic presence
2006
Resistance to Antimony and Treatment Failure in Human Leishmania (Viannia) Infection
Rojas R, Valderrama L, Valderrama M, Varona MX, Ouellette M, Saravia NG. Resistance to Antimony and Treatment Failure in Human Leishmania (Viannia) Infection. The Journal Of Infectious Diseases 2006, 193: 1375-1383. PMID: 16619185, DOI: 10.1086/503371.Peer-Reviewed Original ResearchConceptsTreatment failureMeglumine antimoniatePrimary resistanceAntimonial drugsSecondary resistanceDrug resistanceHuman Leishmania infectionsEffective immune responseAnthroponotic visceral leishmaniasisAmerican cutaneous leishmaniasisAntimonial therapyStandard treatmentCutaneous diseaseLeishmania infectionTherapeutic responseImmune responseCutaneous leishmaniasisVisceral leishmaniasisAnthroponotic transmissionResistant organismsEffective doseIntracellular amastigotesSusceptible strainsAntimoniatePatients
1993
Leishmania (Viannia) panamensis-specific IgE and IgA antibodies in relation to expression of human tegumentary leishmaniasis.
O'Neil C, Labrada M, Saravia N. Leishmania (Viannia) panamensis-specific IgE and IgA antibodies in relation to expression of human tegumentary leishmaniasis. American Journal Of Tropical Medicine And Hygiene 1993, 49: 181-8. PMID: 8357080, DOI: 10.4269/ajtmh.1993.49.181.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, ProtozoanAntibody SpecificityAntigens, ProtozoanChildChild, PreschoolCross ReactionsDose-Response Relationship, ImmunologicEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin AImmunoglobulin EInfantLeishmania braziliensisLeishmaniasis, CutaneousLeishmaniasis, MucocutaneousMaleRadioallergosorbent TestRetrospective StudiesConceptsAmerican tegumentary leishmaniasisIgA antibodiesEnzyme-linked immunosorbent assayTegumentary leishmaniasisRadioallergosorbent testRAST valuesHuman tegumentary leishmaniasisDuration of diseaseIgA levelsMucocutaneous diseaseBiopsy specimenBiopsy specimensCutaneous diseaseSevere formPatientsHeterologous antigensDisease evolutionIgEImmunosorbent assayElevated levelsLeishmaniasisDiseaseInhibition testingAntibodiesSeparate groups
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