<unk> <unk> , like other<unk> s of<unk>  is an inherited neurodegenerative lysosomal storage disorder. Patients with this autosomal recessive disorder have symptoms including delayed psychomotor development and various ocular aberrations. This<unk>  of<unk>  is caused by mutation of a non-selective cation channel, TRPML1. These mutations disrupt lysosomal storage and lead to neurodegeneration through an unknown mechanism.
Mucolipidosis type IV
GM1 gangliosidoses
Glycogen storage disease type XI
Glycogen storage disease type VI
Glycogen storage disease type V
Sphingolipidoses
Glycogen storage disease type VII
Glycogen storage disease type IV