Human/Primate NCAM-1/CD56 Antibody Summary
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Human/Primate NCAM-1/CD56 Sandwich Immunoassay
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human NCAM‑1/CD56 by Western Blot. Western blot shows lysates of human brain (cerebellum) tissue and human brain (motor cortex) tissue. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human/Primate NCAM-1/CD56 Monoclonal Antibody (Catalog # MAB2408) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for NCAM-1/CD56 at approximately 100-150 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of NCAM-1/CD56 in Human PBMC by Flow Cytometry. Human PBMCs were stained with either (A) Mouse Anti-Human NCAM-1/CD56 Monoclonal Antibody (Catalog # MAB2408) or (B) Mouse IgG2B Isotype Control (MAB0041) followed by Anti-Mouse IgG APC-conjugated secondary antibody (F0101B) and Mouse Anti-Human NKp46 PE-conjugated Monoclonal Antibody (FAB1850P). Staining was performed using our Staining Membrane-associated Proteins protocol.
Detection of NCAM-1/CD56 in Human NK cells by Flow Cytometry. Human NK cells were expanded from PBMCs using Cloudz Human NK Cell Expansion Kit (CLD004) and were stained with either (A) Mouse Anti-Human NCAM-1/CD56 Monoclonal Antibody (Catalog # MAB24081) or (B) Mouse IgG2B Isotype Control (MAB0041) followed by Anti-Mouse IgG APC-conjugated secondary antibody (F0101B) and Mouse Anti-HumanCD3 PE-conjugated Monoclonal Antibody (FAB100P). Staining was performed using our Staining Membrane-associated Proteins protocol.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Neural cell adhesion molecule 1 (NCAM-1) is a multifunctional member of the Ig superfamily. It belongs to a family of membrane-bound glycoproteins that are involved in Ca++ independent cell matrix and homophilic or heterophilic cell-cell interactions. NCAM-1 specifically binds to heparan sulfate proteoglycans (1), the extracellular matrix protein agrin (2), and several chondroitin sulfate proteoglycans that include neurocan and phosphocan (3). There are three main forms of human NCAM-1 that arise by alternate splicing. These are designated NCAM-120/NCAM-1 (761 amino acids [aa]), NCAM-140 (848 aa), and NCAM-180 (1120 aa). NCAM-120 is GPI-linked, while NCAM-140 and NCAM-180 are type I transmembrane glycoproteins (4‑6). Additional alternate splicing adds considerable diversity to all three forms, and extracellular proteolytic processing is possible for NCAM-180 (7‑8). NCAM-1 is synthesized as a 761 aa preproprecursor that contains a 19 aa signal sequence, a 722 aa GPI-linked mature region, and a 20 aa C-terminal prosegment (4). The molecule contains five C-2 type Ig-like domains and two fibronectin type-III domains. Human to mouse, NCAM-1 is 93% aa identical. NCAM-1 appears to be highly sialylated. The polysialyation of NCAM-1 reduces its adhesive property and increases its neurite outgrowth promoting features (9). NCAM-1 in the adult brain shows a decline of sialylation relative to earlier developmental periods. In regions that retain a high degree of neuronal plasticity, however, the adult brain continues to express polysialylation-NCAM-1, suggesting sialylation of NCAM-1 is involved in regenerative processes and synaptic plasticity (10‑13).
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Citation for Human/Primate NCAM-1/CD56 Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
Natural killer cell killing of acute myelogenous leukemia and acute lymphoblastic leukemia blasts by killer cell immunoglobulin-like receptor-negative natural killer cells after NKG2A and LIR-1 blockade.
Authors: Godal R, Bachanova V, Gleason M
Biol. Blood Marrow Transplant., 2010;16(5):612-21.
Sample Types: Whole Cells
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