Human NKp30/NCR3 Alexa Fluor® 350-conjugated Antibody

Clone 210845 was used by HLDA to establish CD designation
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FAB1849U-100UG
R&D Systems Antibodies
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Human NKp30/NCR3 Alexa Fluor® 350-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human NKp30/NCR3 on cell transfectants and peripheral blood NK cells.
Source
Monoclonal Mouse IgG2a Clone # 210845
Immunogen
Mouse T cell hybridoma transfected with human NKp30/NCR3 and Mouse myeloma cell line NS0-derived recombinant human NKp30 Fc Chimera
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 350 (Excitation= 346 nm, Emission= 442 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
Human whole blood CD56+ natural killer cells

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.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: NKp30/NCR3

NKp30, along with NKp44 and NKp46, constitute a group of receptors termed “Natural Cytotoxicity Receptors” (1). These receptors play a major role in triggering NK‑mediated killing of most tumor cells lines. NKp30 is a type I transmembrane protein having a single extracellular V-like immunoglobulin domain (2). A physical association with the ITAM-bearing accessory protein, CD3 zeta, occurs via a charged residue in the NKp30 transmembrane domain. Ligation of NKp30 with a specific antibody results in phosphorylation of CD3 zeta (3). NKp30 is expressed on both resting and activated NK cells of the CD56dim, CD16+ subset that account for more that 85% of NK cells found in peripheral blood and spleen (4). NKp30 is absent from the CD56bright, CD16- subset that constitutes the majority of NK cells in lymph node and tonsil, however, its expression is up-regulated in these cells upon IL-2 activation (4). Studies with neutralizing antibodies reveal that NKp30 is partially responsible for triggering lytic activity against several tumor cell types and that it is the main receptor responsible for NK‑mediated lysis of immature dendritic cells (2, 5). The ligand(s) recognized by NKp30 has not been described.

References
  1. Moretta, L. and A. Moretta (2004) EMBO J. 23:255.
  2. Pende, D. et al. (1999) J. Exp. Med. 190:1505.
  3. Augugliaro, R. et al. (2003) Eur. J. Immunol. 33:1235.
  4. Ferlazzo, G. et al. (2004) J. Immunol. 172:1455.
  5. Ferlazzo, G. et al. (2002) J. Exp. Med. 195:343.
Entrez Gene IDs
259197 (Human); 294251 (Rat); 102133932 (Cynomolgus Monkey)
Alternate Names
Activating natural killer receptor p30; CD337 antigen; CD337; CD337activating NK-A1 receptor; LY117,1C7NK-p30; lymphocyte antigen 117; natural cytotoxicity triggering receptor 3; Natural killer cell p30-related protein; NCR3; NKp30; NKp30MALS

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