There is a wide range of ganglioside antibodies, which includes IgG and IgM antibodies to GM1, GM2, GD1A, GD1B and GQ1b. GM1 antibodies are seen in Guillain-Barré syndrome. GQ1b antibodies are seen in the Miller Fisher variant.
Suspected Guillain-Barré syndrome Chronic demyelinating polyneuropathy Multifocal motor neuropathy
|<500 = negative|
RST (rust top), Can also be performed on CSF
5-10 mL (1 mL serum)
Not currently performed in house; this test is referred to the Neuroimmunology Laboratory, Southern General Hospital, Glasgow