Antigen processing and presentation in human muscle: cathepsin S is critical for MHC class II expression and upregulated in inflammatory myopathies

Wiendl H, Tolosa E, Melms A, Lochmüller H, Overkleeft H, Weber E, Morgalla M, Wienhold W, Erfurth S, Krause S, Mitsdörffer M, Lautwein A, Driessen C. Antigen processing and presentation in human muscle: cathepsin S is critical for MHC class II expression and upregulated in inflammatory myopathies. Journal of neuroimmunology 2003; 138:132-43.