31. Mutations in this gene are associated with Bethlem myopathy and Ullrich scleroatonic muscular dystrophy. 32. The mechanism for myopathy in individuals with low vitamin D is not completely understood. 33. Loss of the perlecan protein in these fish led to serious myopathies and circulation problems. 34. Mutations in Myf-6 can provoke disorders including centronuclear myopathy and Becker muscular dystrophy. 35. Patients with Bethlem myopathy may expect a normal life span and continued mobility into adulthood. 36. In 2010, Shannon was diagnosed with tubular aggregate myopathy , a rare muscle disease. 37. The subclass of these diseases that have neuromuscular disease symptoms are often called a mitochondrial myopathy . 38. Additionally, neurotoxin-mediated peripheral nervous system damage such as neuropathy or myopathy is common. 39. "Myopathy " means muscle disease. 40. Some who have MTP deficiency show a progressive course associated with myopathy , and recurrent rhabdomyolysis.