DEK and autoimmune disease: Subsequently, DEK was found to be the target of auto-antibodies in several autoimmune diseases, such as JIA (Dong, et al., 2000), systemic lupus erythematosus (Dong, et al., 1998; Dong, et al., 2000), sarcoidosis (Dong, et al., 1998; Dong, et al., 2000), and systemic sclerosis (Dong, et al., 2000).