2018
Resistance of Leishmania (Viannia) Panamensis to Meglumine Antimoniate or Miltefosine Modulates Neutrophil Effector Functions
Regli IB, Fernández OL, Martínez-Salazar B, Gómez MA, Saravia NG, Tacchini-Cottier F. Resistance of Leishmania (Viannia) Panamensis to Meglumine Antimoniate or Miltefosine Modulates Neutrophil Effector Functions. Frontiers In Immunology 2018, 9: 3040. PMID: 30622537, PMCID: PMC6308327, DOI: 10.3389/fimmu.2018.03040.Peer-Reviewed Original ResearchConceptsNeutrophil effector functionsMeglumine antimoniateNeutrophil extracellular trapsEffector functionsLeishmania panamensisCell surface activation markersHuman neutrophilsExpression of CD66bReactive oxygen speciesSurface activation markersDrug-susceptible strainsOutcome of infectionMain causative agentChronic lesionsActivation markersDrug-resistant linesNeutrophil activationExtracellular trapsCutaneous leishmaniasisDrug susceptibilityNeutrophilsMurine neutrophilsDecreased expressionMiltefosineNET formation
2016
An Innovative Field-Applicable Molecular Test to Diagnose Cutaneous Leishmania Viannia spp. Infections
Saldarriaga OA, Castellanos-Gonzalez A, Porrozzi R, Baldeviano GC, Lescano AG, de Los Santos MB, Fernandez OL, Saravia NG, Costa E, Melby PC, Travi BL. An Innovative Field-Applicable Molecular Test to Diagnose Cutaneous Leishmania Viannia spp. Infections. PLOS Neglected Tropical Diseases 2016, 10: e0004638. PMID: 27115155, PMCID: PMC4845993, DOI: 10.1371/journal.pntd.0004638.Peer-Reviewed Original ResearchConceptsMucosal leishmaniasisDiagnostic testsL. braziliensisPrimary health systemL. panamensisRPA-LFSensitive diagnostic testMost endemic regionsMolecular diagnostic testsChronic lesionsReal-time PCRCutaneous leishmaniasisEndemic regionsParasite burdenHealth systemClinical validationLeishmaniasisL. naiffiMolecular testsParasite DNALeishmania sppTime PCRClinical samplesViannia subgenusRecombinase polymerase amplification
2006
Comparative immunohistological analysis of the Montenegro skin test reaction in asymptomatic infection and in acute and chronic cutaneous leishmaniasis
Guarín N, Palma G, Pirmez C, Valderrama L, Tovar R, Saravia NG. Comparative immunohistological analysis of the Montenegro skin test reaction in asymptomatic infection and in acute and chronic cutaneous leishmaniasis. Biomédica 2006, 26: 38-48. PMID: 17361840, DOI: 10.7705/biomedica.v26i1.1498.Peer-Reviewed Original ResearchConceptsSkin test reactionsMontenegro skin testSkin testChronic lesionsAcute lesionsAsymptomatic infectionT lymphocytesImmune responseB cellsComparative immunohistological analysisProportion of CD4Chronic cutaneous leishmaniasisType hypersensitivity reactionCellular immune responsesSkin test sitesTest reactionsLeishmaniasis lesionsCellular infiltrateHypersensitivity reactionsLeishmania infectionChronic diseasesInflammatory responseChronic patientsT cellsCutaneous leishmaniasis
2002
Gender Is a Major Determinant of the Clinical Evolution and Immune Response in Hamsters Infected with Leishmania spp
Travi BL, Osorio Y, Melby PC, Chandrasekar B, Arteaga L, Saravia NG. Gender Is a Major Determinant of the Clinical Evolution and Immune Response in Hamsters Infected with Leishmania spp. Infection And Immunity 2002, 70: 2288-2296. PMID: 11953362, PMCID: PMC127932, DOI: 10.1128/iai.70.5.2288-2296.2002.Peer-Reviewed Original ResearchConceptsFemale animalsGender-related differencesMale animalsImmune responseInterleukin-4Lesion sizeDistant cutaneous sitesPermissive immune responsePrepubertal male animalsSevere cutaneous lesionsSex hormone statusLeishmania sppTGF-beta mRNASeverity of diseaseAdult male animalsGreater lesion sizeGrowth factor betaGreater parasite burdenIntralesional expressionCutaneous sitesIL-10Lymph nodesChronic lesionsClinical evolutionCutaneous infections