Human CD58/LFA-3 Alexa Fluor® 350-conjugated Antibody

Catalog # Availability Size / Price Qty
FAB1689U-100UG
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Human CD58/LFA-3 Alexa Fluor® 350-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human CD58/LFA‑3 in direct ELISAs and Western blots.
Source
Monoclonal Mouse IgG2b Clone # 248310
Immunogen
Mouse myeloma cell line NS0-derived recombinant human CD58/LFA‑3
Phe29-Arg215
Accession # P19256
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 monocytes

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: CD58/LFA-3

T cells require a signal induced by the engagement of the T cell receptor and a “co-stimulatory” signal(s) through distinct T cell surface molecules for optimal T cell expansion and activation. Many cell-bound receptor-ligand pairs have now been shown to be involved in T cell co-stimulation including CD58/CD2 in humans and CD48/CD2 in mice and rats. CD58, also known as lymphocyte function-associated antigen (LFA-3), is a 210 amino acid protein that belongs to the CD2 family of the immunoglobulin superfamily (1). CD58 is widely expressed on hematopoietic and non-hematopoietic human tissue and has been found on leukocytes, erythrocytes, endothelial cells, epithelial cells and fibroblasts of human origin (2). No mouse or rat homolog of CD58 has as of yet been identified. CD58 has only one known ligand, CD2. CD2 is expressed on T cells, NK cells and dendritic cells (2‑4). CD2 ligation by CD58 has been shown to mediate T cell adhesion, T cell activation, T cell cytokine production and T cell and NK cells cytotoxic activity (1, 3, 5, 6). In dendritic cells, CD2 engagement increases MHC Class II, CD40, CD80, CD86, CD58 and CCR7 and induces IL-1 beta and IL-12 cytokine secretion (4).

References
  1. Davis, S.J. and P.A. van der Merwe (1996) Immunol. Today 17:177.
  2. Smith, M.E. and J.A. Thomas (1990) J. Clin. Pathol. 43:893.
  3. Bolhuis, R.L. Roozemond, R.C. and R.J. van de Griend (1986) J. Immunol. 136:3939.
  4. Crawford, K. et al. (2003) Blood 102:1745.
  5. Kanner, S.B. et al. (1992) J. Immunol. 148:2023.
  6. Bullens, M.A. et al. (2001) International Immunol. 12:181.
Entrez Gene IDs
965 (Human); 102123839 (Cynomolgus Monkey); 710732 (Rhesus Macaque)
Alternate Names
Ag3; CD58 antigen; CD58 antigen, (lymphocyte function-associated antigen 3); CD58 molecule; CD58; FLJ23181; FLJ43722; LFA3; LFA-3; LFA3ag3; lymphocyte function-associated antigen 3; Surface glycoprotein LFA-3

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