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G9269

Sigma-Aldrich

Anti-Glial Fibrillary Acidic Protein antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

Synonyme(s) :

GFAP Antibody Sigma - Anti-Glial Fibrillary Acidic Protein antibody produced in rabbit, Gfap Antibody Sigma, Anti-GFAP

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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

Espèces réactives

rat, human

Conditionnement

antibody small pack of 25 μL

Technique(s)

immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:80 using brain sections
microarray: suitable
western blot: 1:500 using 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 ... GFAP(2670)
rat ... Gfap(24387)

Description générale

The GFAP (glial fibrillary acidic protein) gene encodes an intermediate protein filament-III (50kDa). It is localized particularly to the astrocytes and non-myelinating Schwann cells of the central and peripheral nervous system, respectively.

Spécificité

The product reacts specifically with GFAP and labels astrocytes, glial cells and glial cell derived tumors in immunohistochemical staining. The antibody reacts with glial specific antigen in alcohol or formalin-fixed, paraffin-embedded human or animal tissue sections.

Immunogène

GFAP from human brain

Application

Anti-Glial Fibrillary Acidic Protein antibody produced in rabbit is suitable for:
  • immunohistochemical staining at a working dilution of 1:400 using rat brain sections
  • immunohistochemical staining of human brain tumor tissue specimens to identify the cells expressing AQP4 (Aquaporin-4)
  • immunofluorescence using brain section from mice
The antibody is suitable for immunohistochemistry at a working dilution of 1:80 using alcohol- and formalin-fixed, paraffin-embedded sections of human or animal brain tissue. It is also suitable for indirect immunoblotting at a working dilution of 1:500 using human brain extract blot and microarray.

Actions biochimiques/physiologiques

Glial fibrillary acidic protein may be used as a marker for distinguishing astrocytes from other glial cells during development of the central nervous system. GFAP is responsible for maintaining the structure of glial cells. It also offers mechanical strength and support to the surrounding neurons and blood brain barrier. Defects in this gene causes Alexander disease, indicated by Rosenthal fibers deposition. It is a rare disorder of astrocytes in the central nervous system. Increased GFAP expression indicates astrogliosis, a sign of neurodegeneration and neuroinflammation.

Forme physique

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

Stockage et stabilité

Store at 2-8 °C up to one month. For extended storage, solution may be frozen in working aliquots. Repeated freezing and thawing, or storage in "frost-free" freezers, is not recommended. If slight turbidity occurs upon prolonged storage, clarify by centrifugation before use.

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

12 - Non 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)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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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

S Saadoun et al.
Journal of neurology, neurosurgery, and psychiatry, 72(2), 262-265 (2002-01-18)
Aquaporin-4 (AQP4) is a highly conserved water channel protein. In rats, AQP4 is expressed in astrocyte foot processes and is important in brain water homeostasis. AQP4 expression has not been investigated in non-neoplastic human brain or oedematous brain tumours, where
Induction of glial fibrillary acidic protein expression in astrocytes by nitric oxide
Brahmachari S, et al.
The Journal of Neuroscience, 26(18), 4930-4939 (2006)
David Piccin et al.
Stem cells (Dayton, Ohio), 29(3), 528-538 (2011-03-23)
Neural stem cells comprise a small population of subependymal cells in the adult brain that divide asymmetrically under baseline conditions to maintain the stem cell pool and divide symmetrically in response to injury to increase their numbers. Using in vivo
Glial fibrillary acidic protein: from intermediate filament assembly and gliosis to neurobiomarker
Yang Z and Wang K K
Trends in Neurosciences, 38(6), 364-374 (2015)
Dana M Niedowicz et al.
Acta neuropathologica communications, 2, 64-64 (2014-06-12)
Mid-life obesity and type 2 diabetes mellitus (T2DM) confer a modest, increased risk for Alzheimer's disease (AD), though the underlying mechanisms are unknown. We have created a novel mouse model that recapitulates features of T2DM and AD by crossing morbidly

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