Myopathy Due to Myoadenylate Deaminase Deficiency, also known as muscle amp deaminase deficiency, is related to transient neonatal multiple acyl-coa dehydrogenase deficiency and adenosine monophosphate deaminase deficiency, and has symptoms including muscle weakness An important gene associated with Myopathy Due to Myoadenylate Deaminase Deficiency is AMPD1 (Adenosine Monophosphate Deaminase 1). Affiliated tissues include heart and skeletal muscle, and related phenotypes are muscle weakness and myopathy