RecombiMAb anti-mouse PD-1 (CD279)

Catalog #CP159
Clone:
29F.1A12-CP159
Reactivities:
Mouse

$205.00 - $5,575.00

In stock
Only %1 left

Product Details

The 29F.1A12-CP159 monoclonal antibody is a chimeric version of the original 29F.1A12 antibody. The variable domain sequences are identical to the original 29F.1A12 but the constant region sequences have been switched from rat IgG2a to mouse IgG2a. The 29F.1A12-CP157 antibody contains no Fc mutations just as the original rat IgG2a antibody does not. 29F.1A12-CP159 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.

See the references for the original rat IgG2a 29F.1A12 antibody.

Specifications

Isotype Mouse IgG2a, κ
Recommended Isotype Control(s) InVivoPlus mouse IgG2a isotype control, unknown specificity
Recommended 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*
*Reported for the original rat IgG2a 29F.1A12 antibody
Formulation PBS, pH 7.0
Contains no stabilizers or preservatives
Endotoxin <1EU/mg (<0.001EU/μg)
Determined by LAL gel clotting assay
Aggregation <5%
Determined by DLS
Purity >95%
Determined by SDS-PAGE
Sterility 0.2 μM filtered
Production Purified from tissue culture supernatant in an animal free facility
Purification Protein G
Molecular Weight 150 kDa
Murine Pathogen Tests Ectromelia/Mousepox Virus: Negative
Hantavirus: Negative
K Virus: Negative
Lactate Dehydrogenase-Elevating Virus: Negative
Lymphocytic Choriomeningitis virus: Negative
Mouse Adenovirus: Negative
Mouse Cytomegalovirus: Negative
Mouse Hepatitis Virus: Negative
Mouse Minute Virus: Negative
Mouse Norovirus: Negative
Mouse Parvovirus: Negative
Mouse Rotavirus: Negative
Mycoplasma Pulmonis: Negative
Pneumonia Virus of Mice: Negative
Polyoma Virus: Negative
Reovirus Screen: Negative
Sendai Virus: Negative
Theiler’s Murine Encephalomyelitis: Negative
Storage The antibody solution should be stored at the stock concentration at 4°C. Do not freeze.