Neuronopathy, Distal Hereditary Motor, Autosomal Dominant 7, also known as harper-young myopathy, is related to distal hereditary motor neuronopathy type 7 and distal hereditary motor neuropathy type 7. An important gene associated with Neuronopathy, Distal Hereditary Motor, Autosomal Dominant 7 is SLC5A7 (Solute Carrier Family 5 Member 7). Affiliated tissues include spinal cord.