Immunohistochemical staining of CD34  of human FFPE tissue followed by incubation with HRP labeled secondary and development with DAB substrate.

CD34 [EP88] Antibody (cGMP) – DISC

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Species: Human
Tested Applications: IHC [IVD]
Available Conjugates:
Isotype: Rabbit Rabbit IgG

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Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

Expiration Date:

Concentration (Write Lyophilized if Lyophilized):

Reconsitution Instructions (Leave Blank if Liquid):

Manufacture Date:


Bioactivity (test results eg. IU/ml):

SKU: QIVD239-0.1ml
CD34 General Information
Alternate Names
Molecular Weight
40.7 kDa
Chromosomal Location
q32.2 [chr: 1] [chr_start: 207880972] [chr_end: 207911402] [strand: -1]
Curated Database and Bioinformatic Data
Gene Symbol CD34
Entrez Gene ID 947
RefSeq Protein Accession(s) NP_001764; NP_001020280
RefSeq mRNA Accession(s) NM_001773; NM_001025109
RefSeq Genomic Accession(s) NC_000001
UniProt ID(s) P28906
PharmGKB ID(s) PA26211
KEGG Gene ID(s) hsa:947
General Description of CD34 .
CD34 is an important marker for quantifying and purifying hematopoietic progenitor/stem cells. It is useful in identification of tumors with endothelial or lymphoid differentiation. In addition, CD34 aids in detection of gastrointestinal stromal tumours.


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) 1:50-1:100
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: Monoclonal
Anti-CD34 Antibody Clone: EP88
Host and Isotype: Rabbit Rabbit IgG
Recommended Positive Control Sample: Placenta. Angiosarcoma
Cellular Localization of Antibody EP88 Staining: Cell Membrane
Buffer and Stabilizer: PBS with 1% BSA and 0.05% NaN3
Antibody Concentration: Lot specific. Plese contact tech support for data.
Immunogen: A synthetic peptide corresponding to C-terminal of human CD34 protein
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.

CD34 Information for Pathologists

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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CD34 [EP88] Antibody (cGMP) - DISC