Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12530/26272
Title: Interleukin-2 as a marker for detecting asymptomatic individuals in areas where Leishmania infantum is endemic.
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Issue Date: Aug-2016
Citation: Clin. Microbiol. Infect..2016 Aug;(22)8:739.e1-4
Abstract: No field method exists for identifying asymptomatic individuals in areas where Leishmania infantum is endemic. This work reports that, 24 h after stimulating whole blood with soluble Leishmania antigen (SLA), plasma interferon-γ (IFN-γ) and interleukin-2 (IL-2) become significantly elevated in samples from asymptomatic individuals (n=47) compared with those from negative controls (n=50), all of them recruited from a blood bank. When compared with the reference test SLA-lymphoproliferative assay, IL-2 appears as a new, 100% sensitive and specific marker for asymptomatic individuals with a positive cellular response (compared with 100% and 84.78%, respectively, for IFN-γ). Further studies in other transmission areas and in other cohorts of exposed people need to be performed to confirm these results. Once validated, IFN-γ and IL-2 levels in SLA-stimulated whole blood could be reliably used in the field to estimate the prevalence of those asymptomatic individuals with Leishmania-specific cellular immune responses.
PMID: 27265372
URI: https://hdl.handle.net/20.500.12530/26272
Appears in Collections:Hospitales > H. U. de Fuenlabrada > Artículos

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