TNFSF13 and myasthenia gravis: Of the significantly changed cytokines (APRIL, IL-19, IL-20, IL-28A and IL-35), only IL-20 (p = 0.008), IL-28A (p = 0.013) and IL-35 (p = 0.036) levels were significantly decreased after immunosuppressive therapy in 10 patients with MG (Fig. 1).