Muscular Dystrophy-Dystroglycanopathy , Type B, 2, also known as mddgb2, is related to congenital muscular dystrophy-dystroglycanopathy type a and muscular dystrophy-dystroglycanopathy , type a, 2, and has symptoms including facial paresis and generalized muscle weakness. An important gene associated with Muscular Dystrophy-Dystroglycanopathy , Type B, 2 is POMT2 (Protein O-Mannosyltransferase 2), and among its related pathways/superpathways are Intraflagellar transport and Defective DPM3 causes DPM3-CDG. Affiliated tissues include brain and skeletal muscle, and related phenotypes are left ventricular hypertrophy and left ventricular systolic dysfunction