Background/Aim: Although numerous cytokines influence proliferation and progression of multiple myeloma (MM), a relevant action in the onset of the disease also seems to be played by the oxidative state. Patients and Methods: In the present study we evaluated the concentrations of interleukin-8 (IL-8) and soluble receptor of advanced glycation end products (sRAGE) in patients with MM, assessing the existing variations with respect to a control group and the possible existence of correlations between these molecules and the biological variables or the presence of a correlation between IL-8 and sRAGE. The study was conducted on 33 patients affected by MM compared to 39 healthy subjects. Results: IL-8 and sRAGE levels were significantly higher in MM patients compared to healthy subjects. sRAGE and IL-8 evidence no significant linear correlation. Furthermore, IL-8 was significantly increased in both sexes, but we found a slight variation for females compared to males. Conclusion: IL-8 could play an important role in the onset of MM and the progression of bone disease, while the increased sRAGE values would seem to have a protective action in MM patients. Further studies on animal models may clarify the real impact of introducing modulation of IL-8 and sRAGE levels.
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