Mycoplasma pneumoniae (Minor) Coeliac Disease(Rare) Antiganglioside antibodies that react to self-gangliosides are found in autoimmune neuropathies.
Patients with Anti-GalNAc-GD1a antibodies were less common but had more severe disease (rapidly progressive, predominantly distal weakness).
[7] Titers to GM1 in other diseases (rheumatoid arthritis, primary Sjögren's syndrome and systemic lupus erythematosus) was also elevated.
[8] Additionally highly significant association was found with rheumatoid arthritis and peripheral neuropathies.
Multifocal motor neuropathy (MMN) with conduction block is closely related to CIDP (chronic inflammatory demyelinating polyneuropathy).
[19] while controlled studies failed to find any significant association with Motor neuron disease.
IgM antibodies have been detected in early work, but their significance in disease is controversial.