Resumen

FLORES LEON, Amilcar et al. Quantifying levels of INF-y - IL-13 and CD4 + T cells, CD8 + in patients with therapeutic failure leishmaniasis. Gac Med Bol [online]. 2013, vol.36, n.1, pp.15-20. ISSN 1012-2966.

Objectives: is a study of the immune status, quantifying the Th1 cytokine profile (IFN-y) and Th2 (IL-13) and CD3 + T cells, CD4 + and CD8 + as variables that can provide information on the link and / or association therapeutic failure. Methods: we quantified the levels of INF-y, IL-13, CD4 + and CD8 + in three study groups: a) patients with LT and therapeutic failure (RESISTANT), b) Treated patients who responded to treatment successfully (SENSITIVE ) c) healthy patients (CONTROL GROUP). Results: the results indicate that the specific immune response of resistant and sensitive patients is polarized toward the TH1 response and values of CD4 + T lymphocytes and CD8 + were below normal values in the three groups. The levels of IFN-y production was higher than IL-13, being more pronounced in patients resistant to sensitive in response to Leishmania Ag, the typing of the strains that were isolated from patients resistant identified: Leishmania brasiliensis and guayanensis Leishmania. Conclusions: regarding treatment failure resistant patients, would also be involved factors related to the parasite and other extrinsic factors to the host.

Palabras clave : leishmaniasis; cutaneous; treatment failure; cytokines; CD4 lymphocyte count; interferons.

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