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Home >> Antibodies >> Blood Group Antigen A Antibody / ABO

Blood Group Antigen A Antibody / ABO [clone 33C13] (V2547)

  Catalog No Formulation Size Price (USD)  
Image V2547-100UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide 100 ug 519
V2547-20UG 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced), 0.05% sodium azide 20 ug 229
V2547SAF-100UG 1 mg/ml in 1X PBS; BSA free, sodium azide free 100 ug 519
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IHC: Formalin-fixed, paraffin-embedded human colon carcinoma stained with Blood Group Antigen A antibody (33C13). Staining of formalin-fixed tissues requires boiling tissue sections in pH6 10mM citrate buffer for 10-20 min followed by cooling at RT for 20 min.
Availability 1-2 business days
Species Reactivity Human
Format Purified
Clonality Monoclonal (mouse origin)
Isotype Mouse IgG1, kappa
Clone Name 33C13
Purity Protein G affinity chromatography
UniProt P16442
Localization Cell surface
Applications Immunohistochemistry (FFPE) : 1-2ug/ml for 30 min at RT
Limitations This Blood Group Antigen A antibody is available for research use only.
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This mAb preferably reacts with determinants of chain A and H type 3 (Gal1-3GalNAc-R) and 4 (Gal1-3GalNAc-R), but not with type 1 and 2 chain structures. It is not reactive with immuno-dominant A trisaccharide. This mAb is applicable for tissue staining in tumor patients with blood groups A and AB. It shows a highly heterogeneous reactivity in human colon tumor tissue and adjacent mucosa. Blood-group antigens are generally defined as molecules formed by sequential addition of saccharides to the carbohydrate side chains of lipids and proteins detected on erythrocytes and certain epithelial cells. The A, B and H antigens are reported to undergo modulation during malignant cellular transformation. Blood group related antigens represent a group of carbohydrate determinants carried on both glycolipids and glycoproteins. They are usually mucin-type, and are detected on erythrocytes, certain epithelial cells, and in secretions of certain individuals. Sixteen genetically and biosynthetically distinct but inter-related specificities belong to this group of antigens, including A, B, H, Lewis A, Lewis B, Lewis X, Lewis Y, and precursor type 1 chain antigens.

Application Notes

Optimal dilution of the Blood Group Antigen A antibody should be determined by the researcher.


Mucin isolated from an ovarian cyst fluid was used as the immunogen for the Blood Group Antigen A antibody.


Store the Blood Group Antigen A antibody at 2-8oC (with azide) or aliquot and store at -20oC or colder (without azide).

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