4.4 Article

Th17 cytokines and factors modulating their activity in patients with pernicious anemia

Journal

IMMUNOLOGIC RESEARCH
Volume -, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.1007/s12026-023-09399-9

Keywords

Th17; Cytokines; Transforming growth factor beta; TGF beta; Pernicious anemia; Autoimmune disease

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The effects of specific cytokines produced by T cell subsets are diverse and depend on various factors. The balance of immune cells is necessary for immune homeostasis. Imbalances in T cell subsets can lead to autoimmune diseases. The aim of this study was to determine the cytokines and modulating factors in patients with pernicious anemia.
The effects of specific cytokines produced by T cell subsets (such as Th1, Th2, and newly discovered Th17, Treg, Tfh, or Th22) are diverse, depending on interactions with other cytokines, distinct signaling pathways, phase of the disease, or etiological factor. The immunity equilibrium of the immune cells, such as the Th1/Th2, the Th17/Treg, and the Th17/Th1 balance is necessary for the maintenance of the immune homeostasis. If the balance of the T cells subsets is damaged, the autoimmune response becomes enhanced which leads to autoimmune diseases. Indeed, both the Th1/Th2 and the Th17/Treg dichotomies are involved in the pathomechanism of autoimmune diseases. The aim of the study was to determine the cytokines of Th17 lymphocytes as well as the factors modulating their activity in patients with pernicious anemia. The magnetic bead-based immunoassays used (Bio-Plex) allow simultaneous detection of multiple immune mediators from one serum sample. In our study, we showed that patients suffering from pernicious anemia develop the Th1/Th2 imbalance with a quantitative advantage of cytokines participating in Th1-related immune response, the Th17/Treg imbalance with a quantitative advantage of cytokines participating in Treg-related response, as well as the Th17/Th1 imbalance with a quantitative predominance of cytokines participating in Th1-related immune response. Our study results indicate that T lymphocytes and their specific cytokines play an role in the course of pernicious anemia. The observed changes may indicate the immune response to pernicious anemia or be an element of the pernicious anemia pathomechanism.

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