2013
Treatment Failure and Miltefosine Susceptibility in Dermal Leishmaniasis Caused by Leishmania Subgenus Viannia Species
Obonaga R, Fernández O, Valderrama L, Rubiano L, del Mar Castro M, Barrera M, Gomez M, Saravia N. Treatment Failure and Miltefosine Susceptibility in Dermal Leishmaniasis Caused by Leishmania Subgenus Viannia Species. Antimicrobial Agents And Chemotherapy 2013, 58: 144-152. PMID: 24145529, PMCID: PMC3910710, DOI: 10.1128/aac.01023-13.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultATP Binding Cassette Transporter, Subfamily GATP-Binding Cassette TransportersChildDrug ResistanceFemaleHumansLeishmaniaLeishmaniasis, CutaneousMaleMiddle AgedMultidrug Resistance-Associated Protein 2Multidrug Resistance-Associated ProteinsPhosphorylcholineProspective StudiesTreatment FailureYoung AdultConceptsTreatment failureDermal leishmaniasisQuantitative reverse transcription PCRLoss of susceptibilityMiltefosine susceptibilityDrug susceptibilityIntracellular amastigotesL. panamensis infectionsL. braziliensis infectionPanamensis infectionMucocutaneous diseaseMiltefosine treatmentBraziliensis infectionCutaneous lesionsProspective evaluationMucosal diseaseDrug exposureReverse transcription-PCRClinical failureIndividual patientsGene polymorphismsLeishmania panamensisConcurrent conditionsDecreased expressionTransporter expression
2012
Regulatory T Cells in the Pathogenesis and Healing of Chronic Human Dermal Leishmaniasis Caused by Leishmania (Viannia) Species
Rodriguez-Pinto D, Navas A, Blanco VM, Ramírez L, Garcerant D, Cruz A, Craft N, Saravia NG. Regulatory T Cells in the Pathogenesis and Healing of Chronic Human Dermal Leishmaniasis Caused by Leishmania (Viannia) Species. PLOS Neglected Tropical Diseases 2012, 6: e1627. PMID: 22545172, PMCID: PMC3335885, DOI: 10.1371/journal.pntd.0001627.Peer-Reviewed Original ResearchMeSH KeywordsAsymptomatic DiseasesCD4 AntigensChronic DiseaseFemaleFlow CytometryForkhead Transcription FactorsGene Expression ProfilingGlucocorticoid-Induced TNFR-Related ProteinHumansImmunophenotypingInterferon-gammaInterleukin-2 Receptor alpha SubunitInterleukin-7 Receptor alpha SubunitLeishmaniaLeishmaniasis, CutaneousMaleSkinT-Lymphocytes, RegulatoryConceptsRegulatory T cellsIFN-γ secretionDermal leishmaniasisPeripheral bloodT cellsSuppressive capacityCD4 T-cell frequenciesImpaired Treg functionParticipation of TregsT cell frequenciesExpression of Foxp3CD4 T cellsEnd of treatmentHealing of lesionsCdLS patientsSkin test sitesSite biopsiesTreg subsetsImmunotherapeutic strategiesTreg functionEffector cellsCutaneous lesionsFoxp3 expressionCutaneous responseInflammatory response
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
1992
Haemoculture of Leishmania (Viannia) braziliensis from two cases of mucosal leishmaniasis: Re-examination of haematogenous dissemination
Martinez J, Alba, Arias L, Escobar M, Saravia N. Haemoculture of Leishmania (Viannia) braziliensis from two cases of mucosal leishmaniasis: Re-examination of haematogenous dissemination. Transactions Of The Royal Society Of Tropical Medicine And Hygiene 1992, 86: 392-394. PMID: 1440813, DOI: 10.1016/0035-9203(92)90233-3.Peer-Reviewed Original ResearchConceptsMucosal leishmaniasisActive pulmonary tuberculosisMontenegro skin testPeripheral blood leucocytesIsolation of parasitesIndirect fluorescent antibodyCases of leishmaniasisCulture of parasitesHaematogenous disseminationMucosal involvementPulmonary tuberculosisCutaneous lesionsSkin testMucosal diseaseMetastatic spreadMonths durationBlood leucocytesRight legPatientsLeishmania parasitesLeishmania braziliensisL. braziliensisLeishmaniasisFluorescent antibodyLeucocytes
1990
Mucosal 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