2016
Mammalian Innate Immune Response to a Leishmania-Resident RNA Virus Increases Macrophage Survival to Promote Parasite Persistence
Eren R, Reverte M, Rossi M, Hartley M, Castiglioni P, Prevel F, Martin R, Desponds C, Lye L, Drexler S, Reith W, Beverley S, Ronet C, Fasel N. Mammalian Innate Immune Response to a Leishmania-Resident RNA Virus Increases Macrophage Survival to Promote Parasite Persistence. Cell Host & Microbe 2016, 20: 318-328. PMID: 27593513, PMCID: PMC5493041, DOI: 10.1016/j.chom.2016.08.001.Peer-Reviewed Original ResearchConceptsLeishmania RNA virus 1Innate immune responseParasite persistenceImmune responseMiR-155Anti-viral innate immune responsesMacrophage survivalMiR-155-deficient miceTLR-3 activationMiR-155 expressionMammalian host responseMammalian innate immune responseLesional macrophagesParasitic infectionsHost responseDisease severityParasite burdenLeishmania guyanensisPharmacological inhibitionVirus 1Akt phosphorylationAkt activationReduced levelsSurvivalMice
2015
Presence of Leishmania RNA Virus 1 in Leishmania guyanensis Increases the Risk of First-Line Treatment Failure and Symptomatic Relapse
Bourreau E, Ginouves M, Prévot G, Hartley M, Gangneux J, Robert-Gangneux F, Dufour J, Sainte-Marie D, Bertolotti A, Pratlong F, Martin R, Schütz F, Couppié P, Fasel N, Ronet C. Presence of Leishmania RNA Virus 1 in Leishmania guyanensis Increases the Risk of First-Line Treatment Failure and Symptomatic Relapse. The Journal Of Infectious Diseases 2015, 213: 105-111. PMID: 26123564, DOI: 10.1093/infdis/jiv355.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntiprotozoal AgentsCohort StudiesFemaleHumansLeishmania guyanensisLeishmaniasis, MucocutaneousLeishmaniavirusMalePentamidineRecurrenceTreatment FailureConceptsL. guyanensis infectionLeishmania RNA virus 1American tegumentary leishmaniasisSymptomatic relapseTreatment failureTegumentary leishmaniasisFirst-line treatment failureDoses of pentamidineLeishmania guyanensis infectionLine treatment failureFirst-line treatmentChronic cutaneous leishmaniasisVirus 1Second-line drugsExperimental murine leishmaniasisInflammatory markersHyperinflammatory responseExtended therapyMurine leishmaniasisTherapeutic choiceSuch complicationsRNA virus 1Persistent infectionCutaneous leishmaniasisRelapse
2012
Leishmania RNA virus: when the host pays the toll
Hartley M, Ronet C, Zangger H, Beverley S, Fasel N. Leishmania RNA virus: when the host pays the toll. Frontiers In Cellular And Infection Microbiology 2012, 2: 99. PMID: 22919688, PMCID: PMC3417650, DOI: 10.3389/fcimb.2012.00099.Peer-Reviewed Original ResearchConceptsToll-like receptor 3Mucocutaneous leishmaniasisHyper-inflammatory immune responseLeishmania parasitesPotent innate immunogenExperimental animal modelsType 1 interferonLeishmania RNA virusAnti-leishmanial drugsMetastatic leishmaniasisDestructive inflammationMetastatic complicationsMetastatic diseaseInflammatory cascadeInflammatory stateRNA virusesSecondary lesionsImmune responseAnimal modelsClinical isolatesDisease severityReceptor 3Leishmania guyanensisMetastatic factorsClinical interventions