Human PD‑L2/B7‑DC Alexa Fluor™ Plus 488‑conjugated Antibody

R&D Systems | Catalog # FAB11351AFP488

R&D Systems

Key Product Details

Species Reactivity

Human

Applications

Blockade of Receptor-ligand Interaction

Label

Alexa Fluor Plus 488 (Excitation = 493 nm, Emission = 518 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 1054620
View all PD-L2/B7-DC Primary Antibodies »

Product Specifications

Specificity

Detects human PD-L2/B7-DC in direct ELISA.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human PD‑L2/B7‑DC Alexa Fluor™ Plus 488‑conjugated Antibody

Application
Recommended Usage

Blockade of Receptor-ligand Interaction

Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: PD-L2/B7-DC

Programmed Death Ligand 2 (PD-L2), also known as B7-DC and butyrophilin-like protein, is a member of the B7 family of proteins that provide signals for regulating T-cell activation and tolerance (1). Mature human PD-L2 consists of a 201 amino acid (aa) extracellular domain (ECD) with one V-like and one C-like Ig domain, a 21 aa transmembrane segment, and a 32 aa cytoplasmic domain (2, 3). Within the ECD, mouse and human PD-L2 share 72% aa sequence identity. Alternative splicing generates additional isoforms that lack the second Ig-like domain and may be substituted and truncated following the first Ig-like domain (4). PD-L2 is expressed on dendritic cells, subsets of activated CD4+ and CD8+ T cells, and memory B cells that differentiate into plasma cells (3, 5, 6). At inflammatory sites such as rheumatoid arthritis, allergen exposure, and virus infection, PD-L2 is up-regulated on synoviocytes, infiltrating macrophages, dendritic cells, and airway epithelial cells (7-11). PD-L2, along with B7-H1/PD-L1, binds to T cell PD-1 where it promotes IFN-gamma production and CD40 Ligand up-regulation while inhibiting IL-4 production (2, 3, 12, 13). In addition, PD-L2 binds to RGM-B on macrophages and alveolar epithelial cells, supporting respiratory immune tolerance (14). In asthma, PD-L2 suppresses IL-5 and IL-13 production, promotes IL-12 production by dendritic cells, and supports allergen-induced airway hyper-responsiveness and mucus production (9, 11).

References

  1. Ceeraz, S. et al. (2013) Trends Immunol. 34:556.
  2. Latchman, Y. et al. (2001) Nat. Immunol. 2:261.
  3. Tseng, S.-Y. et al. (2001) J. Exp. Med. 193:839.
  4. He, X.-H. et al. (2004) Acta Biochim. Biophys. Sinica 36:284.
  5. Messal, N. et al. (2011) Mol. Immunol. 48:2214.
  6. Zuccarino-Catania, G.V. et al. (2014) Nat. Immunol. 15:631.
  7. Guo, G. et al. (2012) Clin. Rheumatol. 31:271.
  8. Loke, P. and J.P. Allison (2003) Proc. Natl. Acad. Sci. USA 100:5336.
  9. Matsumoto, K. et al. (2004) J. Immunol. 172:2530.
  10. Stanciu, L.A. et al. (2006) J. Infec. Dis. 193:404.
  11. Lewkowich, I.P. et al. (2013) Mucosal Immun. 6:728.
  12. Ghiotto, M. et al. (2010) Int. Immunol. 22:651.
  13. Shin, T. et al. (2003) J. Exp. Med. 198:31.
  14. Xiao, Y. et al. (2014) J. Exp. Med. 211:943.

Long Name

Programmed Death-1 Ligand-2

Alternate Names

B7-DC, Butyrophilin-like Protein, CD273, PDCD1LG2, PDL2

Entrez Gene IDs

80380 (Human); 58205 (Mouse); 309304 (Rat); 102146227 (Cynomolgus Monkey)

Gene Symbol

PDCD1LG2

UniProt

Q9BQ51

Additional PD-L2/B7-DC Products

Product Documents for Human PD‑L2/B7‑DC Alexa Fluor™ Plus 488‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human PD‑L2/B7‑DC Alexa Fluor™ Plus 488‑conjugated Antibody


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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