Monoclonal anti CD31 / PECAM 1 (158 2B3)

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Catalog #: BNUB0352
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Product Description

CD31 (PECAM-1) is a transmembrane glycoprotein member of the immunoglobulin supergene family of adhesion molecules. CD31 is expressed by stem cells of the hematopoietic system and is primarily used to identify and concentrate these cells for experimental studies as well as for bone marrow transplantation. Anti-CD31 has shown to be highly specific and sensitive for vascular endothelial cells. Staining of nonvascular tumors (excluding hematopoietic neoplasms) is rare. CD31 MAb reacts with normal, benign, and malignant endothelial cells which make up blood vessel lining. The level of CD31 expression can help to determine the degree of tumor angiogenesis, and a high level of CD31 expression may imply a rapidly growing tumor and potentially a predictor of tumor recurrence.

The Sixth International Workshop and Conference on Human Leucocyte Differentiation Antigens, Kobe, Japan, 1996, in press (Garland Publishing Inc., London)

Additional Information


Purified with BSA, 0.2 mg/mL, Purified, BSA-free, 1 mg/mL, CF405S, CF405M, CF488A, CF543, CF555, CF568, CF594, CF640R, CF647, CF660R, CF680, CF680R, CF770, Biotin, R-PE, APC, Per-CP, Alkaline Phosphatase, HRP


50 uL, 100 uL, 250 uL, 500 uL

Supplied As

Purified: 0.2 mg/mL in PBS/0.05% BSA/0.05% azide, Purified, BSA-free: 1 mg/mL in PBS without azide, Conjugates: 0.1 mg/mL in PBS/0.1% BSA/0.05% azide, HRP conjugates: 0.1 mg/mL in PBS/0.05% BSA

Antibody type


Host species


Reactivity (target)

CD31 / PECAM-1 (158-2B3)




IgG1, kappa



Molecular weight

~100 kDa (endothelium) and ~130 kDa (platelets)


EndoCAM; PECA1; Platelet Endothelial Cell Adhesion Molecule 1; GPIIA'

Entrez gene ID





376675 & 514412


Stimulated human leukocytes (Workshop VI)

Species reactivity



Flow cytometry, Immunofluorescence

Cellular localization

Cell surface and cytoplasm of endothelial cells

Application notes

Flow Cytometry (0.5-1 ug/million cells/0.1 mL), Immunofluorescence 1-2 ug/mL, Optimal dilution for a specific application should be determined by user

Positive control

Jurkat cells. Tonsil or Angiosarcoma.

MSDS (PDF):MSDS Primary antibodies

Protocol (PDF): Protocols for antibody-based detection

Shipment Method: Shipping and handling methods will be assessed and calculated at time of shipment based upon item(s) storage temperature conditions.

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