Antibody GF-01 is an excellent tool for the differentiation of tumours of glial or astrocytic origin. The antibody reacts with GFAP, a 50 kDa intermediate filament protein, which is expressed by astrocytes and to a lesser degree by ependymal cells, folliculostellate cells of the anterior pituitary and cerebellar radial glia. The antibody does not react with other intermediate filaments. The antibody also reacts with porcine GFAP.
GFAP
Reaktivität: Human
WB, IHC, IF
Wirt: Kaninchen
Monoclonal
unconjugated
Applikationshinweise
Suitable for Immunohistochemistry on: Frozen sections: 0.2 μg/mL (1/2000)Paraffin sections: 1 μg/mL (1/400). Proteinase K pretreatment for antigen retrieval isrecommended. Suggested positive control: Human cortex. Other applications not tested. Optimal dilutions are dependent on conditions and should be determined by the user.
Protokoll
Protocol with frozen, ice-cold acetone-fixed sections: The whole procedure is performed at room temperature1. Wash in PBS2. Block endogenous peroxidase3. Wash in PBS4. Block with 10% normal goat serum in PBS for 30min. in a humid chamber5. Incubate with primary antibody (dilution see datasheet) for 1h in a humid chamber6. Wash in PBS7. Incubate with secondary antibody (peroxidase-conjugated goat anti mouse IgG+IgM(H+L) minimal-cross reaction to human) for 1h in a humid chamber8. Wash in PBS9. Incubate with AEC substrate (3-amino-9-ethylcarbazol) for 12min. 10. Wash in PBS11. Counterstain with Mayer's hemalum.
Beschränkungen
Nur für Forschungszwecke einsetzbar
Konzentration
0.4 mg/mL
Buffer
PBS, pH 7.2 with 10 mg/mL bovine serum albumin (BSA) as a stabilizer and 0.09 % sodium azide as a preservative.
Konservierungsmittel
Sodium azide
Vorsichtsmaßnahmen
This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Glial fibrillary acidic protein (GFAP) is a member of the class III intermediate filament protein family. It is heavily, and specifically, expressed in astrocytes and certain other astroglia in the central nervous system, in satellite cells in peripheral ganglia, and in non myelinating Schwann cells in peripheral nerves. In addition, neural stem cells frequently strongly express GFAP. Antibodies to GFAP are therefore very useful as markers of astrocytic cells. In addition many types of brain tumor, presumably derived from astrocytic cells, heavily express GFAP. GFAP is also found in the lens epithelium, Kupffer cells of the liver, in some cells in salivary tumors and has been reported in erythrocytes.Synonyms: Glial Fibrillary Acidic Protein