Browsing by Autor "Janeth Riva"

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    Enhancement of a<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="E1"><mml:msub><mml:mtext>T</mml:mtext><mml:mtext>H</mml:mtext></mml:msub></mml:math>1 Immune Response in Amphotericin B-Treated Mucocutaneous Leishmaniasis
    (Hindawi Publishing Corporation, 2007) Washington R. Cuna; Rianed Velasquez; Janeth Riva; Ingrid Guachalla; Celeste Rodríguez
    In an attempt to investigate the effects of treatment of human leishmaniasis, the cytokines produced by peripheral blood mononuclear cells (PBMCs) of patients with cutaneous leishmaniasis (CL) and mucocutaneous leishmaniasis (MCL) under treatment with amphotericin B were determined during the active disease from cocultures of cells and Leishmania (Viannia) braziliensis antigens. PBMC of these patients exhibited a nonsignificant marginal increased production of TNF-alpha upon antigen stimulation. However, under the same antigenic stimulus, patients with active MCL presented higher IFN-gamma production compared to patients with CL. This increased IFN-gamma production was accompanied by a drastically augmented IL-12 synthesis from cells of MCL patients. The highlighted T cell responses could be relevant for sound control measures of protozoan infections with emphasis on the combined usage of immunoenhancing agents and antiprotozoal drugs.