what is gm1
Overview. GM1 gangliosidosis is an inherited lysosomal storage disorder that progressively destroys nerve cells (neurons) in the brain and spinal cord. Some researchers classify this condition into three major types based on the age at which signs and symptoms first appear. Orphanet is a European reference portal for information on rare diseases and orphan drugs. 2  Access to this database is free of charge. 3  PubMed is a searchable database of medical literature and lists journal articles that discuss GM1 gangliosidosis. 4  Click on the link to view a sample search on this topic.