2013
Clinical and Epidemiologic Profile of Cutaneous Leishmaniasis in Colombian Children: Considerations for Local Treatment
Blanco VM, Cossio A, Martinez JD, Saravia NG. Clinical and Epidemiologic Profile of Cutaneous Leishmaniasis in Colombian Children: Considerations for Local Treatment. American Journal Of Tropical Medicine And Hygiene 2013, 89: 359-364. PMID: 23798581, PMCID: PMC3741260, DOI: 10.4269/ajtmh.12-0784.Peer-Reviewed Original ResearchConceptsLocal treatmentCutaneous leishmaniasisNew World cutaneous leishmaniasisIndividual risk-benefit assessmentHead/neckYears of ageRisk-benefit assessmentWHO criteriaEpidemiologic profileEpidemiological profileOrganization criteriaCase reportChildren 0Months durationSingle lesionInternational guidelinesTreatment alternativesEffectiveness dataLesionsColombian childrenTreatmentChildrenLeishmaniasisNeckEligibility
2010
Viability and Burden of Leishmania in Extralesional Sites during Human Dermal Leishmaniasis
Romero I, Téllez J, Suárez Y, Cardona M, Figueroa R, Zelazny A, Saravia N. Viability and Burden of Leishmania in Extralesional Sites during Human Dermal Leishmaniasis. PLOS Neglected Tropical Diseases 2010, 4: e819. PMID: 20856851, PMCID: PMC2939031, DOI: 10.1371/journal.pntd.0000819.Peer-Reviewed Original ResearchConceptsLeishmaniasis patientsExtralesional sitesNormal skinTonsil swabsViable parasitesDissemination of LeishmaniaMucocutaneous leishmaniasis patientsMonocyte samplesPositive samplesLuciferase activityParasite viabilitySkin aspiratesActive diseaseDermal leishmaniasisHuman leishmaniasisBlood monocytesEpidemiologic investigationsPatientsLeishmania DNAParasite burdenHuman infectionsIntracellular amastigotesLesionsSwabsEpidemiological significance
2006
Resistance to Oxidative Stress Is Associated with Metastasis in Mucocutaneous Leishmaniasis
Acestor N, Masina S, Ives A, Walker J, Saravia NG, Fasel N. Resistance to Oxidative Stress Is Associated with Metastasis in Mucocutaneous Leishmaniasis. The Journal Of Infectious Diseases 2006, 194: 1160-1167. PMID: 16991092, DOI: 10.1086/507646.Peer-Reviewed Original ResearchConceptsMucocutaneous leishmaniasisMetastatic phenotypeMetastatic diseaseCutaneous lesionsMicrobicidal responsesMetastatic disseminationGolden hamstersNasopharyngeal tissuesCytoplasmic peroxiredoxinOxidative stressLeishmania promastigotesNonmetastatic clonesL. panamensisLeishmaniasisHost cellsParasitesPhenotypePatientsMetastasisHeat shockPathogenesisLesionsPeroxidase activityDiseaseDissemination
1996
The inflammatory response promotes cutaneous metastasis in hamsters infected with Leishmania (Viannia) panamensis.
Travi B, Osorio Y, Saravia N. The inflammatory response promotes cutaneous metastasis in hamsters infected with Leishmania (Viannia) panamensis. Journal Of Parasitology 1996, 82: 454-7. PMID: 8636852, DOI: 10.2307/3284085.Peer-Reviewed Original ResearchConceptsInflammatory responseMetastatic lesionsControl animalsL. panamensisLeishmania panamensis infectionType hypersensitivity responseFrequency of metastasisNonspecific inflammatory responseDevelopment of lesionsExperimental groupElicitation of inflammationPanamensis infectionSkin metastasesCutaneous metastasesHind pawsSurgical excisionHypersensitivity responseSite of inductionIntradermal applicationSecondary diseaseHamster modelInflammatory stimuliLeishmania panamensisMetastasisLesions
1993
Epidemiology of Cutaneous Leishmaniasis in Colombia: A Longitudinal Study of the Natural History, Prevalence, and Incidence of Infection and Clinical Manifestations
Weigle K, Santrich C, Martinez F, Valderrama L, Saravia N. Epidemiology of Cutaneous Leishmaniasis in Colombia: A Longitudinal Study of the Natural History, Prevalence, and Incidence of Infection and Clinical Manifestations. The Journal Of Infectious Diseases 1993, 168: 699-708. PMID: 8354912, DOI: 10.1093/infdis/168.3.699.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAnimalsAntigens, ProtozoanChildChild, PreschoolCohort StudiesColombiaFemaleHumansIncidenceInfantInfant, NewbornLeishmania braziliensisLeishmaniasis, CutaneousLongitudinal StudiesMaleMiddle AgedModels, BiologicalProspective StudiesRespiratory SystemRural PopulationSex FactorsSkinSkin TestsTime FactorsConceptsLeishmanin skin test conversionMost primary infectionsSkin test conversionBurden of diseaseIncidence of infectionLeishmaniasis control programClinical manifestationsProspective studyPrimary infectionTest conversionLeishmania infectionIncidence rateTypical scarCutaneous leishmaniasisEndemic areasNew infectionsLeishmaniasis casesNatural historyInfectionLeishmaniasisNaive hostsLongitudinal studyLesionsOne-thirdIncidenceEpidemiology of Cutaneous Leishmaniasis in Colombia: Environmental and Behavioral Risk Factors for Infection, Clinical Manifestations, and Pathogenicity
Weigle K, Santrich C, Martinez F, Valderrama L, Saravia N. Epidemiology of Cutaneous Leishmaniasis in Colombia: Environmental and Behavioral Risk Factors for Infection, Clinical Manifestations, and Pathogenicity. The Journal Of Infectious Diseases 1993, 168: 709-714. PMID: 8354913, DOI: 10.1093/infdis/168.3.709.Peer-Reviewed Original ResearchConceptsRisk factorsFarming occupationLeishmania panamensis infectionRisk factor informationBehavioral risk factorsAcquisition of infectionYears of ageRisk of lesionsPanamensis infectionLeishmanial lesionsClinical manifestationsMale sexActive surveillanceLeishmania infectionCase ascertainmentCutaneous leishmaniasisNew infectionsInfectionLeishmania braziliensisLesionsFactor informationStrongest predictorAgeLeishmaniasisSex
1991
Metastatic capability of Leishmania (Viannia) panamensis and Leishmania (Viannia) guyanensis in golden hamsters.
Martinez J, Travi B, Valencia A, Saravia N. Metastatic capability of Leishmania (Viannia) panamensis and Leishmania (Viannia) guyanensis in golden hamsters. Journal Of Parasitology 1991, 77: 762-8. PMID: 1919926, DOI: 10.2307/3282713.Peer-Reviewed Original ResearchConceptsCutaneous metastatic lesionsMetastatic lesionsFrequency of isolationLymph nodesL. panamensisL. guyanensisLeishmania panamensisLeishmania guyanensisGolden hamstersDistant lymph nodesCutaneous metastasesPrimary lesionLymphatic disseminationExperimental infectionLesionsMetastatic capabilityHuman casesTissue samplesHamstersParasite culturesSandfly vectorNineteen strainsInoculation siteGuyanensisInoculum dose
1990
Recurrent lesions in human Leishmania braziliensis infection—reactivation or reinfection?
Saravia N, Segura I, Labrada L, Weigle K, Giannini S, Pacheco R, Goncalves A. Recurrent lesions in human Leishmania braziliensis infection—reactivation or reinfection? The Lancet 1990, 336: 398-402. PMID: 1974943, DOI: 10.1016/0140-6736(90)91945-7.Peer-Reviewed Original ResearchConceptsRecurrent lesionsInitial lesionLonger disease-free intervalDisease-free intervalAmerican tegumentary leishmaniasisRecurrent diseaseEndogenous reactivationExogenous reinfectionVaccination strategiesClinical dataPatientsTegumentary leishmaniasisLesionsTreatment evaluationRecurrent strainsLeishmania braziliensisIdentical strainsLatter groupReinfectionRestriction endonuclease analysisEndonuclease analysisStrain pairsMolecular karyotypingKaryotype profilePolymorphismMucosal disease caused by Leishmania braziliensis guyanensis.
Santrich C, Segura I, Arias A, Saravia N. Mucosal disease caused by Leishmania braziliensis guyanensis. American Journal Of Tropical Medicine And Hygiene 1990, 42: 51-5. PMID: 2301705, DOI: 10.4269/ajtmh.1990.42.51.Peer-Reviewed Original Research