Description : For a phenotypic description and a discussion of genetic heterogeneity of amyotrophic
lateral sclerosis (ALS), see ALS1 (105400). Amyotrophic lateral sclerosis is a neurodegenerative
disorder characterized by the death of motor neurons in the brain and spinal cord,
resulting in fatal paralysis (summary by Hentati et al., 1998).;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the spatacsin gene (SPG11, 610844.0003);