Immunohistochemical staining of Glial Fibrillary Acidic Protein  of human FFPE tissue followed by incubation with HRP labeled secondary and development with DAB substrate.

Glial Fibrillary Acidic Protein [Polyclonal] Antibody (cGMP).

$ 135.00$ 215.00
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Species: Human
Tested Applications: IHC [IVD]
Available Conjugates:
Isotype: Rabbit Undetermined

Product NumberDescriptionPrice
QIVD138-0.1ml Size: 0.1 ml, Format: Concentrate $ 135.00
QIVD138-0.5ml Size: 0.5 ml, Format: Concentrate $ 155.00
QIVD138-1ml Size: 1 ml, Format: Concentrate $ 215.00
QIVD138-6ml Size: 6 ml, Format: Predilute $ 155.00
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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

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Bioactivity (test results eg. IU/ml):

SKU: QIVD138-0.1ml
Glial Fibrillary Acidic Protein General Information
Alternate Names
Molecular Weight
49.9 kDa
Chromosomal Location
q21.31 [chr: 17] [chr_start: 44903159] [chr_end: 44916937] [strand: -1]
Curated Database and Bioinformatic Data
Gene SymbolGFAP
Entrez Gene ID2670
RefSeq Protein Accession(s)NP_001229305; NP_001124491; NP_002046
RefSeq mRNA Accession(s)XM_024450691; NM_001363846; NM_002055; XM_024450693; XM_024450690; XM_024450692; NM_001242376; NM_001131019
RefSeq Genomic Accession(s)NG_008401; NC_000017
UniProt ID(s)P14136
PharmGKB ID(s)PA28647
KEGG Gene ID(s)hsa:2670
Associated Diseases (KEGG IDs)Alexander disease (ALXDRD) [MIM:203450]: A rare disorder of the central nervous system. The most common form affects infants and young children, and is characterized by progressive failure of central myelination, usually leading to death within the first decade. Infants with Alexander disease develop a leukodystrophy with macrocephaly, seizures, and psychomotor retardation. Patients with juvenile or adult forms typically experience ataxia, bulbar signs and spasticity, and a more slowly progressive course. Histologically, Alexander disease is characterized by Rosenthal fibers, homogeneous eosinophilic inclusions in astrocytes. {ECO:0000269|PubMed:11138011, ECO:0000269|PubMed:11567214, ECO:0000269|PubMed:11595337, ECO:0000269|PubMed:12034785, ECO:0000269|PubMed:12034796, ECO:0000269|PubMed:12581808, ECO:0000269|PubMed:12944715, ECO:0000269|PubMed:12975300, ECO:0000269|PubMed:15030911, ECO:0000269|PubMed:15732097, ECO:0000269|PubMed:17043438, ECO:0000269|PubMed:17805552, ECO:0000269|PubMed:17894839, ECO:0000269|PubMed:17934883, ECO:0000269|PubMed:17960815, ECO:0000269|PubMed:18004641, ECO:0000269|PubMed:18079314, ECO:0000269|PubMed:19412928, ECO:0000269|PubMed:20359319, ECO:0000269|PubMed:21917775, ECO:0000269|PubMed:23364391, ECO:0000269|PubMed:23743246, ECO:0000269|PubMed:24742911}. The disease is caused by mutations affecting the gene represented in this entry.
General Description of Glial Fibrillary Acidic Protein .
This antibody reacts with human GFAP. In the central nervous system, this antibody stains astrocytes and some groups of ependymal cells. However, in the peripheral nervous system, it stains Schwann cells, satellite cells and enteric glial cells.

Antibody (Suitable for clinical applications)

Sample Type: FFPE Patient Samples.
Tested Applications: IHC. Approved for In Vitro Diagnostic Procedures on FFPE tissues. For tissue collection recommendations, please see datasheet sent with product.
Application Notes
Specification Recommendation
Recommended Dilution (Conc) 1:50-1:250
Pretreatment Citrate Buffer pH 6.0
Incubation Parameters 30 min at Room Temperature

Prior to use, inspect vial for the presence of any precipitate or other unusual physical properties. These can indicate that the antibody has degraded and is no longer suitable for patient samples. Please run positive and negative controls simultaneously with all patient samples to account and control for errors in laboratory procedure. Use of methods or materials not recommended by enQuire Bio including change to dilution range and detection system should be routinely validated by the user.

Clonality: Polyclonal
Anti-Glial Fibrillary Acidic Protein Antibody Clone: Polyclonal
Host and Isotype: Rabbit Undetermined
Recommended Positive Control Sample: Brain
Cellular Localization of Antibody Polyclonal Staining: Cytoplasmic
Buffer and Stabilizer: PBS with 1% BSA and 0.05% NaN3
Antibody Concentration: Lot specific. Plese contact tech support for data.
Immunogen: Glial fibrillary protein isolated from cow spinal cord.
Storage Conditions: This antibody should be stored refrigerated (2-8°C). This product should not be used past the expiration date printed on the vial.

Glial Fibrillary Acidic Protein Information for Pathologists


Intermediate filament for astrocytes (normal, reactive, neoplastic). Positive staining - disease CNS tumors, colonic schwannoma (Am J Surg Pathol 2001;25:846). Microscopic (histologic) images

Common Uses By Pathologists:

CNS tumors and colonic schwannoma (Am J Surg Pathol 2001;25:846) as well as myxopapillary ependymoma of broad ligament stain positive for GFAP.

Limitations and Warranty

This antibody is manufactured in accordance with clinical good manufacturing practices in an ISO13485:2016 certified production facility. It is intended for multiple uses including in vitro diagnostic use and research use only applications. Please see vial label for expiration date. We strive to always deliver antibodies with a shelf life of at least two years.

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Glial Fibrillary Acidic Protein [Polyclonal] Antibody (cGMP).