Lack of association between serum IL-9 levels and Behçet’s disease

Considering the role of interleukin (IL)-9 and IL-9-producing Th9 cells in pathogenesis of autoimmune diseases, this study aimed to evaluate serum IL-9 levels in patients with Behçet’s disease (BD) compared to healthy subjects and to assess whether there is an association between serum IL-9 levels and disease characteristics in BD. In this cross-sectional study, 32 BD patients according to the International Criteria for BD (ICBD) and 56...