PD-1 Antibody (1002313)

R&D Systems | Catalog # MAB8578

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Key Product Details

Species Reactivity

Human, Cynomolgus Monkey

Applications

Western Blot, Flow Cytometry, CyTOF-ready

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 1002313
View all PD-1 Primary Antibodies »

Product Specifications

Immunogen

Human embryonic kidney cell, HEK293-derived cynomolgus monkey PD-1
Leu25-Gln167
Accession # NP_001271065.1

Specificity

Detects cynomolgus monkey PD-1 in direct ELISAs. Detects human PD-1 in Western blots.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for PD-1 Antibody (1002313)

Detection of Human PD-1 antibody by Western Blot.

Detection of Human PD‑1 by Western Blot.

Western blot shows lysates of NS0 mouse myeloma cell line either mock transfected or transfected with human PD-1. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Cynomolgus Monkey PD-1 Monoclonal Antibody (Catalog # MAB8578) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for PD-1 at approximately 75 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of PD-1 antibody in HEK293 Human Cell Line Transfected with Cynomolgus Monkey PD-1 and eGFP antibody by Flow Cytometry.

Detection of PD-1 in HEK293 Human Cell Line Transfected with Cynomolgus Monkey PD-1 and eGFP by Flow Cytometry.

HEK293 human embryonic kidney cell line transfected with (A) cynomolgus monkey PD-1 or (B) irrelevant protein, and eGFP was stained with Mouse Anti-Human/Cynomolgus Monkey PD-1 Monoclonal Antibody (Catalog # MAB8578) followed by APC-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). Quadrant markers were set based on Mouse IgG2BIsotype Control (Catalog # MAB0041, data not shown). View our protocol for Staining Membrane-associated Proteins.

Applications for PD-1 Antibody (1002313)

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Flow Cytometry

0.25 µg/106 cells
Sample:  HEK293 Human Cell Line Transfected with Cynomolgus Monkey PD-1 and eGFP

Western Blot

2 µg/mL
Sample: NS0 mouse myeloma cell line transfected with human PD-1

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Advanced Features

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Flow Cytometry

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.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: PD-1

Programmed Death-1 receptor (PD-1), also known as CD279, is type I transmembrane protein belonging to the CD28 family of immune regulatory receptors (1). Other members of this family include CD28, CTLA-4, ICOS, and BTLA (2-5). Mature Cynomolgus monkey PD-1 consists of a 148 amino acid (aa) extracellular region (ECD) with one immunoglobulin-like V-type domain, a 24 aa transmembrane domain, and a 95 aa cytoplasmic region. The Cynomolgus monkey PD-1 ECD shares 95% aa sequence identity with the human PD-1 ECD. The cytoplasmic tail contains two tyrosine residues that form the immunoreceptor tyrosine-based inhibitory motif (ITIM) and immunoreceptor tyrosine-based switch motif (ITSM) that are important for mediating PD-1 signaling. PD-1 acts as a monomeric receptor and interacts in a 1:1 stoichiometric ratio with its ligands PD-L1 and PD-L2 (6, 7). PD‑1 is expressed on activated T cells, B cells, monocytes, and dendritic cells while PD-L1 expression is constitutive on the same cells and also on nonhematopoietic cells such as lung endothelial cells and hepatocytes (8, 9). Ligation of PD-L1 with PD-1 induces co-inhibitory signals on T cells promoting their apoptosis, anergy, and functional exhaustion (10). Thus, the PD-1:PD-L1 interaction is a key regulator of the threshold of immune response and peripheral immune tolerance (11). Finally, blockade of the PD-1: PD-L1 interaction by either antibodies or genetic manipulation accelerates tumor eradication and shows potential for improving cancer immunotherapy (12, 13).

References

  1. Ishida, Y. et al. (1992) EMBO J. 11:3887.
  2. Sharpe, A.H. and G. J. Freeman (2002) Nat. Rev. Immunol. 2:116.
  3. Coyle, A. and J. Gutierrez-Ramos (2001) Nat. Immunol. 2:203.
  4. Nishimura, H. and T. Honjo (2001) Trends Immunol. 22:265.
  5. Watanabe, N et al. (2003) Nat. Immunol. 4:670.
  6. Zhang, X. et al. (2004) Immunity 20:337.
  7. Lázár-Molnár, E. et al. (2008) Proc. Natl. Acad. Sci. USA 105:10483.
  8. Nishimura, H et al. (1996) Int. Immunol. 8:773.
  9. Keir, M.E. et al. (2008) Annu. Rev. Immunol. 26:677.
  10. Butte, M.J. et al. (2007) Immunity 27:111.
  11. Okazaki, T. et al. (2013) Nat. Immunol. 14:1212.
  12. Iwai, Y. et al. (2002) Proc. Natl. Acad. Sci. USA 99: 12293.
  13. Nogrady, B. (2014) Nature 513:S10.

Long Name

Programmed Death-1

Alternate Names

CD279, PD1, PDCD1, SLEB2

Entrez Gene IDs

5133 (Human); 18566 (Mouse); 301626 (Rat); 100533201 (Porcine); 486213 (Canine); 102123659 (Cynomolgus Monkey)

Gene Symbol

PDCD1

UniProt

NP_001271065.1

Additional PD-1 Products

Product Documents for PD-1 Antibody (1002313)

Certificate of Analysis

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Product Specific Notices for PD-1 Antibody (1002313)

For research use only

Citations for PD-1 Antibody (1002313)

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