TNNI2 and Becker muscular dystrophy: Conversely, BMD patients were characterized by increased levels of Alpha‐actinin‐2 (ACTN2), Myosin‐7 (MYH7), Myomesin‐1 (MYOM1), Myomesin‐2 (MYOM2), PDZ and LIM domain protein 5 (PDLIM5) and Troponin I, fast skeletal muscle (TNNI2) compared with DMD and controls (Figure2B).