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Comparison of Pro-Inflammatory Cytokines of Non-Healing and Healing Cutaneous Leishmaniasis Publisher Pubmed



Moafi M1 ; Rezvan H1 ; Sherkat R2 ; Taleban R2 ; Asilian A3 ; Hamid Zarkeshesfahani S4 ; Nilforoushzadeh MA5 ; Jaffary F3 ; Mansourian M6 ; Sokhanvari F3 ; Ansari N3
Authors
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Authors Affiliations
  1. 1. Department of Pathobiology, Faculty of Veterinary Science, Bu-Ali Sina University, Hamedan, Iran
  2. 2. Acquired Immunodeficiency Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, Iran
  5. 5. Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Biostatistics and Epidemiology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Scandinavian Journal of Immunology Published:2017


Abstract

Cutaneous leishmaniasis (CL) heals spontaneously within several weeks or months, but, in rare cases, CL-active lesions last for many years. In this study, we assessed cell-mediated immunity in non-healing CL through the measurement of three pro-inflammatory cytokines: Interferon-γ (IFN-γ), IL-17a and CXCL-11. For this, 32 patients afflicted with healing or non-healing CL were recruited in this study. Peripheral blood mononuclear cells (PBMCs) of every patient were treated with three antigens: purified protein derivative (PPD), soluble Leishmania antigen (SLA) and phytohaemagglutinin (PHA). Cytokine quantification was performed using enzyme-linked immunosorbent assay (ELISA) method. Results of our study showed that neither cytokine produced in the presence of a PPD stimulator (as an irrelevant antigen) significantly differed between the healing and non-healing groups (P-value ≥0.05 for all of them). However, IFN-γ, CXCL-11 and IL-17a levels produced in the presence of PHA or SLA were significantly higher within the healing than in the non-healing group (P-value <0.01 for all of them). It seems that appropriate levels of IFN-γ, as well as IL-17a and CXCL-11, contribute to the control of Leishmania infection. © 2017 The Foundation for the Scandinavian Journal of Immunology
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