Tags: Disease.
Distal spinal muscular atrophy type 1 (DSMA1) also known as spinal muscular atrophy with respiratory distress type 1 (SMARD1) and hereditary motor neuropathy type 6 (HMN6) — is a rare neuromuscular disorder involving death of motor neurons in the spinal cord which leads to a generalized progressive atrophy of body muscles.The condition is caused by a genetic mutation in the IGHMBP2 gene and is inherited in an autosomal recessive manner.