In contrast, serum levels of Chitinase3-like1 (p = 0.009), gp130/sIL-6Rb (p = 0.002), IL-11 (p = 0.008), IL-26 (p < 0.001), sTNF-R1 (p < 0.001), and sTNF-R2 (p < 0.001) were significantly higher in BD than HC (Figure 1). Here, IL26 is linked to Behcet disease.