Antibodies to glutamic acid decarboxylase-65 (GAD65) are present in autoimmune disorders such as insulin-dependent (type 1) diabetes mellitus (IDDM), stiff man syndrome and polyendocrine autoimmune disease. Auto-antibodies to GAD65 are present in 60-70% of individuals with newly diagnosed IDDM and thus are important markers for disease activity. These auto-antibodies usually recognize conformation-dependent regions on GAD65 and rarely bind to the second isoform, GAD67. Auto-antibodies to GAD67 are found in only 15% of recent-onset IDDM patients and most of this binding can be blocked with GAD65, suggesting shared epitopes between the two isoforms of GAD.

Long Name

Glutamate Decarboxylase 2 (Pancreatic Islets and Brain, 65kDa)

Alternate Names

GAD65

Gene Symbol

GAD2

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Product Specific Notices for GAD2/GAD65 Antibody (GAD2/8547R) [Janelia Fluor® 549]

Sold under license from the Howard Hughes Medical Institute, Janelia Research Campus.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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GAD2/GAD65 Antibody (GAD2/8547R) [Janelia Fluor® 549]

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-20862JF549

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Background: GAD2/GAD65