Description
Product Usage Information
Flow Cytometry (Fixed/Permeabilized): 1:20
Flow Cytometry (Live): 1:20
Storage
Supplied in 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH 7.2. This product is stable for 12 months when stored at 4ºC. Do not aliquot the antibody. Protect from light. Do not freeze.
Protocol
Available protocols: Flow Cytometry (Fixed/Permeabilized), Flow Cytometry (Live)
Specificity / Sensitivity
NCAM1 (CD56) (MY31) Mouse Monoclonal Antibody (APC Conjugate) recognizes endogenous levels of total NCAM1 (CD56) protein. This antibody conjugate detects an epitope within the extracellular domain.
Species Reactivity: Human
Source / Purification
This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation.
Background
NCAM (neural cell adhesion molecule, CD56) is an adhesion glycoprotein with five extracellular immunoglobulin-like domains followed by two fibronectin type III repeats. Structural diversity is introduced by alternative splicing resulting in different cytoplasmic domains (1). NCAM mediates neuronal attachment, neurite extension, and cell-cell interactions through homo and heterophilic interactions. PSA (polysialic acid) post-translationally modifies NCAM and increases the metastatic potential of small cell lung carcinoma, Wilms' tumor, neuroblastoma, and rhabdomyosarcoma (2). CD56 is commonly used along with CD3 and CD16 to identify human natural killer (NK) cells (mouse NK cells do not express CD56) (3). Human NK cells are CD3-CD56+. The large subset with high CD16 expression are mature cytotoxic NK cells, while those with low CD16 expression are immature precursors and cytokine producers (4,5).
Alternate Names
antigen recognized by monoclonal antibody 5.1H11; CD56; MSK39; N-CAM-1; NCAM; NCAM-1; NCAM1; Neural cell adhesion molecule 1; neural cell adhesion molecule, NCAM
