Human PD-L2/B7-DC Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB11351

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MAB11351-100
MAB11351-SP
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Key Product Details

Species Reactivity

Human

Applications

Blockade of Receptor-ligand Interaction

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 1054620

View all PD-L2/B7-DC Antibodies »

Product Specifications

Immunogen

Human embryonic kidney cell, HEK293-derived recombinant human PD-L2/B7-DC
Accession # Q9BQ51

Specificity

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

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human PD-L2/B7-DC Antibody

Blocking of PD-L2/B7-DC in HEK293 cells transfected with Human PD-L2 and eGFP cells by Flow Cytometry.

In a functional flow cytometry test, Recombinant Human PD-1 Fc Chimera Alexa Fluor® 647 Protein (AFR1086) binds to HEK293 cells transfected with Human PD-L2 and eGFP. (A) Binding is completely blocked by 25 µg/mL of Mouse Anti-Human PD-L2/B7-DC Monoclonal Antibody (Catalog # MAB11351) but not by (B) Mouse IgG1 Isotype Control (Catalog # MAB002). Staining was performed using our Staining Membrane-associated Proteins protocol.

Applications for Human PD-L2/B7-DC Antibody

Application
Recommended Usage

Blockade of Receptor-ligand Interaction

In a functional flow cytometry test, 25 μg/mL of Mouse Anti-Human PD‑L2/B7‑DC Monoclonal Antibody (Catalog # MAB11351) will block the binding of Recombinant Human PD-1 Fc Chimera Alexa Fluor® 647 Protein (Catalog # AFR1086) to HEK293 cells transfected with Human PD-L2 and eGFP

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

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 Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human PD-L2/B7-DC Antibody

For research use only

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