By Emily Boyd, Abigail Powers Faculty Mentor: Dr. Ginny Morriss Abstract Myotonic Dystrophy Type 1 (DM1) is an autosomal dominant disorder caused by CTG repeats and results in muscle wasting. Increased concentration and inactivation of platelet derived growth factor receptor-β (PDGFRβ) has been reported in a mouse model of DM1 and in DM1 patient muscles.…