GAD Autoantibody (Glutamic Acid Decarboxylase, GAD65, Anti-GAD, GADAb, Glyceraldehyde-3-phosphate dehydrogenase (GAPDH))

Autoantibodies to pancreatic beta cell antigens are important serological markers of type 1 diabetes mellitus (type 1 DM). The antigens recognised by these antibodies include insulin, glutamic acid decarboxylase (GAD65 kDa isoform) and an islet cell antigen IA-2 or ICA-512.