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Catalog Number | orb749891 |
---|---|
Category | Antibodies |
Description | This antibody recognizes a carbohydrate epitope on a single chain, transmembrane, heavily glycosylated protein of 90-120kDa, which is identified as CD34 (VI international workshop on human differentiation antigens). Its expression is a hallmark for identifying pluripotent hematopoietic stem or progenitor cells. Its expression is gradually lost as lineage committed progenitors differentiate. CD34 is a marker of choice for staining blasts in acute myeloid leukemia. In addition, it is expressed by soft tissue tumors, such as solitary fibrous tumor and gastrointestinal stromal tumor. CD34 expression is also found in vascular endothelium. Additionally, proliferating endothelial cells overexpress this molecule than the non-proliferating endothelial cells. Anti-CD34 labels > 85% of angiosarcoma and Kaposi s sarcoma, but shows low specificity. |
Species/Host | Mouse |
Clonality | Monoclonal |
Clone Number | QBEnd/10 + HPCA1/763 |
Tested applications | FACS, IF, IHC-P |
Reactivity | Human |
Isotype | Mouse IgG1, lambda |
Immunogen | A detergent solubilized vesicular suspension prepared from human term placenta (QBEnd/10) and recombinant full-length human protein (HPCA1/763) were used as the immunogen for the CD34 antibody cocktail. |
Dilution range | Flow cytometry: 0.5-1ug/million cells,Immunofluorescence: 0.5-1ug/ml,Immunohistochemistry (FFPE): 0.25-0.5ug/ml for 30 min at RT |
Purity | Protein G affinity chromatography |
Conjugation | Unconjugated |
Formula | 0.2 mg/ml in 1X PBS with 0.1 mg/ml BSA (US sourced) and 0.05% sodium azide |
Hazard Information | This CD34 antibody cocktail is available for research use only. |
UniProt ID | P28906 |
Storage | Store the CD34 antibody cocktail at 2-8°C (with azide) or aliquot and store at -20°C or colder (without azide). |
Buffer/Preservatives | 0.2 mg/ml in 1X PBS with 0.1 mg/ml rAlbumin (US sourced) and 0.05% sodium azide |
Note | For research use only |
Application notes | Optimal dilution of the CD34 antibody cocktail should be determined by the researcher.1. Staining of formalin-fixed tissues is enhanced by boiling tissue sections in 10mM Citrate buffer, pH 6.0, for 10-20 min followed by cooling at RT for 20 min.2. The prediluted format is supplied in a dropper bottle and is optimized for use in IHC. After epitope retrieval step (if required), drip mAb solution onto the tissue section and incubate at RT for 30 min. |
Expiration Date | 12 months from date of receipt. |
IHC: Formalin-fixed, paraffin-embedded human tonsil stained with CD34 antibody (QBEnd/10 + HPCA1/763)
IHC: Formalin-fixed, paraffin-embedded human angiosarcoma stained with CD34 antibody (QBEnd/10 + HPCA1/763)
IHC: Formalin-fixed, paraffin-embedded human colon carcinoma stained with CD34 antibody (QBEnd/10 + HPCA1/763)
IHC: Formalin-fixed, paraffin-embedded human placenta stained with CD34 antibody (QBEnd/10 + HPCA1/763)
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