has symptom autosomal dominant distal hereditary motor neuronopathy autosomal dominant distal hereditary motor neuronopathy 9 DOID:0111212 disease_ontology MIM:617721 An autosomal domiant distal hereditary motor neuronopathy that is characterized by juvenile onset of slowly progressive distal muscle weakness and atrophy affecting both the lower and upper limbs that has_material_basis_in heterozygous mutation in the WARS gene on 14q32.2. DHMN9 HMN9 distal hereditary motor neuronopathy type 9 distal hereditary motor neuropathy type IX muscle weakness progressive weakness