Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry, Immunocytochemistry, CyTOF-ready

Label

FITC (Excitation = 495 nm, Emission = 519 nm)

Antibody Source

Recombinant Monoclonal Mouse IgG1 Clone # 756510
View all CD34 Primary Antibodies »

Product Specifications

Immunogen

Chinese hamster ovary cell line CHO-derived recombinant human CD34
Ser32-Thr290
Accession # P28906

Specificity

Detects human CD34 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse, rat, or porcine CD34 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for CD34 Antibody (756510) [FITC]

CD34 Antibody (756510) [FITC]

CD34 Antibody (756510) [FITC] [FAB72271F] -

CD34 Antibody (756510) [FITC] [FAB72271F] - Vial of FITC conjugated antibody. FITC is optimally excited at 498 nm by the Blue laser (488 nm) and has an emission maximum of 519 nm.

Applications for CD34 Antibody (756510) [FITC]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Immunocytochemistry

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
Spectra Viewer

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

PBS

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: CD34

CD34, also known as Cluster of Differentiation 34, is a transmembrane phosphoglycoprotein that is primarily known for being a surface marker for hematopoietic stem cells (HSCs) and progenitor cells (1,2). The CD34 protein consists of a heavily glycosylated extracellular domain, a single-pass transmembrane helix, and a cytoplasmic tail with PDZ binding motifs (1,3). Human CD34 has two protein isoforms consisting of 385 amino acids (aa) for the canonical isoform and 328 aa for isoform 2 (3,4). The canonical CD34 isoform has calculated theoretical molecular weight of 40 kDa and an observed molecular weight of ~115 kDa (1,3,4). L-Selectin (CD62L) is the most common ligand for CD34, but it has also been shown to bind CrkL (1,3).

CD34 has commonly been used as a marker for the diagnosis and classification of various diseases and pathologies including leukemia and solitary fibrous tumor (SFT) (2,5). In terms of immunohistochemistry and histopathology, CD34 has been the most common marker for SFT and is expressed in ~79% of cases (5). In addition to its use as a cell marker, CD34-postive (CD34+) hematopoietic stem cells have been used therapeutically in patients following radiation or chemotherapy due to their regenerative potential (6). There are several clinical trials showing promising results for CD34+ cell therapy for cardiovascular diseases including heart failure, ischemia, dilated cardiomyopathy, acute myocardial infarction, and angina (6). Besides hematopoietic lineages, CD34 is also expressed in non-hematopoietic cells including mesenchymal stem cells, endothelial cells and progenitors, fibrocytes, muscle satellite cells, and some cancer stem cells (1,3). While the clinical and cell therapy applications of CD34 as a cell marker is well documented, the function of CD34 is less understood but has been implicated in many cellular processes such as adhesion, proliferation, signal transduction, differentiation, and progenitor phenotype maintenance (1,3).

References

1. Sidney, L. E., Branch, M. J., Dunphy, S. E., Dua, H. S., & Hopkinson, A. (2014). Concise review: evidence for CD34 as a common marker for diverse progenitors. Stem cells (Dayton, Ohio), 32(6), 1380-1389. https://doi.org/10.1002/stem.1661

2. Krause, D. S., Fackler, M. J., Civin, C. I., & May, W. S. (1996). CD34: structure, biology, and clinical utility. Blood, 87(1), 1-13

3. Kapoor, S., Shenoy, S. P., & Bose, B. (2020). CD34 cells in somatic, regenerative and cancer stem cells: Developmental biology, cell therapy, and omics big data perspective. Journal of cellular biochemistry, 121(5-6), 3058-3069. https://doi.org/10.1002/jcb.29571

4. Uniprot (P28906)

5. Davanzo, B., Emerson, R. E., Lisy, M., Koniaris, L. G., & Kays, J. K. (2018). Solitary fibrous tumor. Translational gastroenterology and hepatology, 3, 94. https://doi.org/10.21037/tgh.2018.11.02

6. Prasad, M., Corban, M. T., Henry, T. D., Dietz, A. B., Lerman, L. O., & Lerman, A. (2020). Promise of autologous CD34+ stem/progenitor cell therapy for treatment of cardiovascular disease. Cardiovascular research, 116(8), 1424-1433. https://doi.org/10.1093/cvr/cvaa027

Alternate Names

CD34, HPCA1

Gene Symbol

CD34

Additional CD34 Products

Product Documents for CD34 Antibody (756510) [FITC]

Certificate of Analysis

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Product Specific Notices for CD34 Antibody (756510) [FITC]

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

FAQs for CD34 Antibody (756510) [FITC]

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    • Q: I wonder if you have a CD105 or CD34 antibody suitable for IHC that is specific for human and do not bind mouse?
      A: We do not have any anti-human CD34 or CD105 antibodies that are confirmed to NOT detect the mouse protein. When we have tested an antibody and confirmed that it will not react with mouse samples, we will add Mu(-) to the datasheet, and unfortunately all of our CD105 and CD34 antibodies will either detect the mouse protein, or they have not been used in mouse samples before.
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