Serum levels of interleukin 17 and 22 in patients with systemic sclerosis: a single-center cross-sectional study.

Systemic sclerosis (SSc) is a chronic, autoimmune disease characterized by inflammation, vasculopathy, and fibrosis of the skin and internal organs. Immunological response in SSc is still poorly understood. Cytokines play a significant role in this process leading to vasculopathy and fibrosis.