Braunstein et al. (15) found that an IFN score, which was determined by OASL, OAS1, LY6E, ISG15, and MX1 expression, was higher in patients with subacute cutaneous lupus erythematosus and discoid lupus erythematosus than in healthy controls. This evidence concerns the gene MX1 and discoid lupus erythematosus.