Journal
TURKISH JOURNAL OF MEDICAL SCIENCES
Volume 46, Issue 3, Pages 749-755Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/sag-1409-57
Keywords
Beta-thalassemia; interleukin-17; interleukin-21; transforming growth factor beta
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Funding
- Jahrom University of Medical Sciences
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Background/aim: Recent studies have shown that IL-17-producing CD4+ T helper (Th17) cells play an important role in proinflammatory processes. In this report we analyzed IL-17, IL-21, and TGF-beta serum levels in the peripheral blood of Iranian beta-thalassemia major patients that clinically exhibited splenectomy and iron overload. Materials and methods: Blood samples were collected from 43 beta-thalassemia patients and 43 healthy individuals with no history of malignancies or autoimmune disorders. Then serum levels of IL-17, IL-21, and TGF-beta were measured by enzyme linked immunosorbent assay (ELISA). Results: The levels of IL-17 (P = 0.005) and TGF-beta (P < 0.001) were significantly higher in the thalassemia patients compared to the healthy control. No significant differences in the level of serum IL-21 was observed between the patients and controls. There were no significant differences in serum levels of IL-17, IL-21, and TGF-beta between patients with high or low serum levels of ferritin. Conclusion: Multiple blood transfusions cause constant immune stimulation, as a result of repeated exposure to new alloantigens. This might have significant effects on the stimulation of cytokine producing cells in those patients and cytokine profile can be used as a related marker for assessing disease severity and consequently therapeutic intervention.
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