谷氨酸脱羧酶67抗体

Quantity size:

0.2ml

Concentration:

1mg/ml 谷氨酸脱羧酶67抗体  Buffer = 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.

Background:

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, 谷氨酸脱羧酶67抗体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 谷氨酸脱羧酶67抗体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.

谷氨酸脱羧酶67抗体Also known as:

glutamate decarboxylase 67; decarboxylase 1; 67 kDa glutamic acid decarboxylase; Glutamate decarboxylase 67 kDa isoform; GAD1; GAD; GAD-67; GAD 67.

Specificity:

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Rabbit Polyclonal IgG, affinity purified by Protein A.

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Reacts with: Human, Mouse, Rat, .

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Immunogen: KLH conjugated synthetic peptide derived from human GAD67.

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Predicted Molecular Weight: 67kDa.

谷氨酸脱羧酶67抗体Storage:

Shipped at 4℃, Store at -20℃ (Avoid repeated freeze/thaw cycles).

Application:

WB=1:100-500  ELISA=1:500-1000  IHC-P=1:100-500  IHC-F=1:100-500  IF=1:100-500   
Not yet tested in other applications. 
Optimal working dilutions must be determined by the end user.

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