GAD65 antibody (Glutamate Decarboxylase 2 (Pancreatic Islets and Brain, 65kDa)) (Internal Region) Primary Antibody
GAD2 Reactivity: Chimpanzee, Dog, Human, Mouse, Rat WB Host: Goat Polyclonal
Catalog No. ABIN374550
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- Binding Specificity
- Internal Region
- Chimpanzee, Dog, Human, Mouse, Rat
- This GAD65 antibody is un-conjugated
- Western Blotting (WB)
- This antibody reacts to Glutamate decarboxylase 2.
- Cross-Reactivity (Details)
- Species reactivity (expected):Mouse, Rat, Canine.
Species reactivity (tested):Human.
- Affinity chromatography
- Peptide with sequence C-TLEDNEERMSRLSK, from the internal region of the protein sequence
- Application Notes
- Peptide ELISA: 1/32000. Western Blot: 0.1 - 0.3 μg/mL.
Other applications not tested.
Optimal dilutions are dependent on conditions and should be determined by the user.
- For Research Use only
- 0,5 mg/mL
- Tris saline, 0.02 % sodium azide, pH 7.3 with 0.5 % bovine serum albumin
- Sodium azide
- Precaution of Use
- This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
- Handling Advice
- Avoid repeated freezing and thawing.
- 4 °C/-20 °C
- Storage Comment
- Store the antibody undiluted at 2-8 °C for one month or (in aliquots) at -20 °C for longer.
- Alternative Name
- GAD2 / GAD65 (GAD2 Antibody Abstract)
- Glutamic Acid Decarboxylase (GAD) catalyzes the conversion of L glutamate to g-aminobutyric acid (GABA), the principal inhibitory neurotransmitter in the brain, and a putative paracrine signal molecule in pancreatic islets. GAD has a restricted tissue distribution. It is highly expressed in the cytoplasm of GABAergic neurons in the central nervous system (CNS) and pancreatic beta cells. It is also present in other non-neuronal tissues such as testis, oviduct and ovary. GAD is also transiently expressed in non-GABAergic cells of the embryonic and adult nervous system, suggesting its involvement in development and plasticity. GAD exists as two isoforms, GAD65 and GAD67 (molecular masses of 65 and 67 kD, respectively) that are encoded by two different genes. GAD65 is an ampiphilic, membraneanchored protein, (585 amino acid residues) and is encoded on human chromosome 10. GAD67 is a cytoplasmic protein (594 amino acid residues) and is encoded on chromosome 2. There is 64 % amino acid identity between the two isoforms, with the highest diversity located at the N terminus, which in GAD65 is required for targeting the enzyme to GABA-containing secretory vesicles. The two isoforms appear to have distinct intraneuronal distribution in the brain. GAD65 has been identified as an autoantigen in insulindependent diabetes mellitus (IDDM) and stiff-man syndrome (SMS), IDDM is an autoimmune disease that results from T cell mediated destruction of pancreatic insulin-secreting beta cells. Islet-reactive T cells and antibodies primarily to GAD65 (also named beta cell autoantigen) can be detected in peripheral blood of 80 % of recent-onset IDD patients and in pre-diabetic high-risk subjects before onset of clinical symptoms. This suggests that GAD may be an important marker in the early stages of the disease. Also, autoantibodies to GAD65 and GAD67 are detected in animal models of IDDM, including the non-obese diabetes (NOD) mouse. In the NOD mouse, T cell reactivity is initially restricted to the C terminal regions of GAD65, but later spreads to other parts of GAD65. Stiff-man syndrome (SMS), a rare disorder of the CNS, is characterized by progressive rigidity of the body musculature with painful spasms, due to impairment of the GABAergic neurotransmission.Synonyms: 65 kDa glutamic acid decarboxylase, GAD-2, GAD-65, Glutamate decarboxylase 2, Glutamate decarboxylase 65 kDa isoform
- Gene ID
- NCBI Accession
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