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Key Documents

G5163

Sigma-Aldrich

Anti-Glutamic Acid Decarboxylase 65/67 antibody produced in rabbit

enhanced validation

IgG fraction of antiserum, buffered aqueous solution

Synonyme(s) :

Anti-GAD 65/67

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.41

Source biologique

rabbit

Niveau de qualité

Conjugué

unconjugated

Forme d'anticorps

IgG fraction of antiserum

Type de produit anticorps

primary antibodies

Clone

polyclonal

Forme

buffered aqueous solution

Poids mol.

antigen 65-67 kDa

Espèces réactives

rat, mouse, feline, pig, human

Conditionnement

antibody small pack of 25 μL

Validation améliorée

independent
Learn more about Antibody Enhanced Validation

Technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:1,000 using tissue sections of rat pancreas
microarray: suitable
western blot: 1:10,000 using rat brain extract

Numéro d'accès UniProt

Conditions d'expédition

dry ice

Température de stockage

−20°C

Modification post-traductionnelle de la cible

unmodified

Informations sur le gène

human ... GAD2(2572)
mouse ... Gad2(14417)
rat ... Gad2(24380)

Description générale

GAD 65 has been identified as an autoantigen in insulin dependent diabetes mellitus (IDDM) and stiff-man syndrome (SMS).
GAD is highly expressed in GABAergic neurons and pancreatic β cells. It is transiently expressed in non-GABAergic embryonic and adult neurons, indicating a role in development. It is also present in testis, oviduct, and ovary GAD exists as two isoforms, GAD 65 and GAD 67 (molecular masses of 65 and 67 kDa, respectively) that are encoded by two different genes. GAD65 is an ampiphilic, membrane anchored protein, (585 amino acid residues) and is encoded on human chromosome 10. GAD 67 is a cytoplasmic protein (594 amino acid residues) and is encoded on chromosome 2. There is 64% amino acid idENTITY_TYPE_CODE. The two isoforms appear to have distinct intraneuronal distribution in the brain. The protein is initially localized to cytosol and then gets anchored to the membrane upon post translational modification. The GAD2 gene is mapped to human chromosome 10p12.1.

Spécificité

Reacts specifically with GAD 65 and GAD 67 isoforms from brain.
Reacts specifically with GAD 65 and GAD 67 isoforms in extracts of rat brain and rat pancreas.

Immunogène

synthetic peptide corresponding to the C-terminal region of human GAD 67 (amino acids 579-594). The sequence is identical in human GAD 65 (amino acids 570-585), in rat, mouse, and pig GAD 65, in rat, pig, and cat GAD 67, and is highly conserved in GAD 67 of mouse origin (single amino acid substitution).

Application

Anti-GAD 65/67 may be used for the detection and localization of GAD 65/67 isoforms by immunofluorescence and immunohistochemistry in rat retinal cells, human subthalamus neurons, and pancreatic β-cells of rat. The minimum working dilution that may be used is 1:10000. Detection by immunoblotting may be possible in brain cells of monkey, human, rat and gecko. at a minimum working dilution of 1:1000.
Anti-Glutamic Acid Decarboxylase 65/67 antibody produced in rabbit has also been used in Immunohistochemistry and Immunocytochemistry.

Actions biochimiques/physiologiques

Glutamic acid decarboxylase (GAD) is the key enzyme that catalyses the conversion of L-glutamate to γ-aminobutyric acid (GABA). GABA is a principal inhibitory neurotransmitter and a paracrine signal molecule in pancreatic islet cells. GAD 65 has been identified as an autoantigen in insulin dependent diabetes mellitus (IDDM) and stiff-man syndrome (SMS).

Forme physique

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


Certificats d'analyse (COA)

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

John A Gebe et al.
Journal of autoimmunity, 30(4), 197-206 (2007-10-24)
A human T-cell receptor (TcR) derived from an autoreactive T-cell specific for GAD65, from a subject at high risk for autoimmune diabetes, was introduced into HLA-DR4 transgenic mice. The source of TcR was a CD4(+) T(H)1(+) T-cell clone which responded
Kai Yan et al.
The Journal of comparative neurology, 518(17), 3409-3426 (2010-07-01)
Geckos use vocalizations for intraspecific communication, but little is known about the organization of their central auditory system. We therefore used antibodies against the calcium-binding proteins calretinin (CR), parvalbumin (PV), and calbindin-D28k (CB) to characterize the gecko auditory system. We
Aberrant accumulation of the diabetes autoantigen GAD65 in Golgi membranes in conditions of ER stress and autoimmunity.
Phelps E A, et al.
Diabetes, db160180 (2016)
Synaptic currents and transmitter responses in human NT2 neurons differentiated in aggregate culture.
Podrygajlo G, et al.
Neuroscience Letters, 468(3), 207-210 (2010)
Tomohiro Hamada et al.
Brain research. Molecular brain research, 139(1), 42-51 (2005-06-15)
Transgenic rats expressing enhanced green fluorescent protein (EGFP) under the control of an estrogen receptor (ER) alpha promoter were generated to tag ERalpha-positive neurons in the brain. Two transgenes, one containing sequences for promoter A and DsRed and the other

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