Synthesis of Th17 cytokines in the culture of peripheral blood mononuclear cells stimulated with Borrelia burgdorferi sensu lato
Journal Title: Annals of Agricultural and Environmental Medicine - Year 2016, Vol 23, Issue 2
Abstract
[b]Introduction and objective. [/b]Th17 lymphocytes and their cytokines, interleukin 17A (IL-17A), IL-17F and IL-22, participate in the response to extracellular bacteria and in the autoimmunity and may be engaged in the pathogenesis of Lyme borreliosis. Concentrations were measured of IL-17A, IL-17F and IL-22 in the supernatant of the peripheral blood mononuclear cells (PBMC) culture stimulated with [i]Borrelia burgdorferi sensu lato[/i] ([i]B. burgdorferi[/i]). [b]Materials and method.[/b] The study group consisted of 13 patients with early disseminated and late Lyme borreliosis and a control group of 7 healthy persons. PBMC cultures were stimulated for 48 hours with [i]B. burgdorferi [/i]spirochetes of three pathogenic species: [i]B. burgdorferi[/i] sensu stricto, B. afzelii or B. garinii, in the multiplicity of infection 10:1. Concentrations of Th17 cytokines IL-17A, IL-17F and IL-22, as well as Th2/immunoregulatory cytokine IL-10 were measured with ELISA assays. [b]Results. [/b]Expression of IL-17A, IL-17F and IL-22 increased under stimulation, simultaneously with the increased IL-10 expression. Concentration of IL-17F tended to be lower in early neuroborreliosis than in late Lyme borreliosis and than in controls. [i]B. afzelii[/i] elicited higher expression of IL-17A than the other two species. [b]Conclusions.[/b] IL-17A, IL-17F and IL-22 are synthesized simultaneously by PBMC stimulated with [i]B. burgdorferi[/i]. There is no antagonism between Th17 response and IL-10 expression. The role of Th17 cytokines seems to differ depending on the clinical stage of Lyme borreliosis and on the [i]B. burgdorferi[/i] species.
Authors and Affiliations
Sambor Grygorczuk, Renata Świerzbińska, Anna Moniuszko, Maciej Kondrusik, Joanna Zajkowska, Piotr Czupryna, Justyna Dunaj, Sławomir Pancewicz
Keywords
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- EP ID EP79346
- DOI 10.5604/12321966.1203884
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