UCN2 and dermatomyositis: The DM group included patients with autoantibodies recognizing Mi2 (n = 12), NXP2 (n = 14), TIF1γ (n = 12), and MDA5 (n = 6), whereas IMNM group consisted of patients with anti-HMGCR (n = 44) and anti-SRP (n = 10) autoantibodies.