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InVivoMAb anti-mouse PD-1 (CD279)
Clone Catalog # Category
29F.1A12 BE0273 InVivoMab Antibodies
$300 - 3080

The 29F.1A12 monoclonal antibody reacts with mouse PD-1 (programmed death-1) also known as CD279. PD-1 is a 50-55 kDa cell surface receptor encoded by the Pdcd1 gene that belongs to the CD28 family of the Ig superfamily. PD-1 is transiently expressed on CD4 and CD8 thymocytes as well as activated T and B lymphocytes and myeloid cells. PD-1 expression declines after successful elimination of antigen. Additionally, Pdcd1 mRNA is expressed in developing B lymphocytes during the pro-B-cell stage. PD-1’s structure includes a ITIM (immunoreceptor tyrosine-based inhibitory motif) suggesting that PD-1 negatively regulates TCR signals. PD-1 signals via binding its two ligands, PD-L1 and PD-L2 both members of the B7 family. Upon ligand binding, PD-1 signaling inhibits T-cell activation, leading to reduced proliferation, cytokine production, and T-cell death. Additionally, PD-1 is known to play key roles in peripheral tolerance and prevention of autoimmune disease in mice as PD-1 knockout animals show dilated cardiomyopathy, splenomegaly, and loss of peripheral tolerance. Induced PD-L1 expression is common in many tumors including squamous cell carcinoma, colon adenocarcinoma, and breast adenocarcinoma. PD-L1 overexpression results in increased resistance of tumor cells to CD8 T cell mediated lysis. In mouse models of melanoma, tumor growth can be transiently arrested via treatment with antibodies which block the interaction between PD-L1 and its receptor PD-1. For these reasons anti-PD-1 mediated immunotherapies are currently being explored as cancer treatments. Like the RMP1-14 and J43 antibodies the 29F.1A12 antibody has been shown to block the binding of PD-1 to its ligands in vivo.

Isotype

Rat IgG2a

Recomended Isotype Control(s) InVivoMAb rat IgG2a isotype control, anti-trinitrophenol
Recommended InVivoPure Dilution Buffer InVivoPure pH 7.0 Dilution Buffer
Immunogen

Recombinant PD-1-Ig fusion protein

Reported Applications
  • in vivo blocking of PD-1/PD-L signaling
  • in vitro PD-1 neutralization
  • Immunohistochemistry (frozen)
  • Immunofluorescence
  • Western blot
  • Flow cytometry
Endotoxin
  • <2EU/mg (<0.002EU/μg)
  • Determined by LAL gel clotting assay
Purity
  • >95%
  • Determined by SDS-PAGE
Formulation
  • PBS, pH 7.0
  • Contains no stabilizers or preservatives
Sterility

0.2 μM filtered

Production

Purified from tissue culture supernatant in an animal free facility

Purification

Protein G

Storage

Undiluted at 4°C in the dark