Anti-mouse PD-1 (CD279)

$499.00
In stock
Catalog
A10040
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Anti-mouse PD-1 (CD279)

Clone J43  Catalog#: A10040 

Description: The J43 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 immunoglobulin 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. The J43 antibody has been shown to block the binding of both mouse PD-L1-Ig and mouse PD-L2-Ig to PD-1.

 

Isotype:

Armenian Hamster IgG

Species reactivity:

Mouse

Production:

Tissue culture

Purification:

Protein G

Recommended Isotype Control:

Polyclonal Armenian Hamster IgG

Applications:

in vivo blocking of PD-1/PD-L signaling

in vitro PD-1 neutralization

Western blot

Immunogen: 

Syrian Hamster kidney cell line BKH transfected with Pdcd1 cDNA

Storage: 

Store at +4°C short term (1-2 weeks). Store at -20°C long term.

Formulation:

PBS, pH 7.4, Filter sterilized. Endotoxin level tests less than 0.06 EU/ug.

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