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| Product Name | Recombinant Human B7-H1 (PD-L1, CD274)-Fc Chimera (carrier-free) |
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| Description | PD-L1 is a type I transmembrane protein of 290 amino acids, and it is a member of the B7 family. Human PD-L1 has 70% amino acid identity to its mouse orthologue. Binding of PD-L1 to its receptor PD-1 leads to the inhibition of T cell receptor–mediated lymphocyte proliferation and cytokine secretion. PD-L1 induces IL-10 production in T cells stimulated with low levels of anti-CD3. PD-L1/PD-1 interaction suppresses immune responses against autoantigens and tumors and plays an important role in the maintenance of peripheral immune tolerance. Disruption of the PD-L1 gene leads to up-regulated T cell responses and the generation of self-reactive T cells. Antibodies against PD-1 or PD-L1 leads to increased antitumor immunity. PD-L1 has an important role in conferring fetomaternal tolerance in an allogeneic pregnancy model; antibodies against PD-L1 lead to a breakdown in maternal tolerance to the fetus. PD-L1 shares its receptor with PD-L2 (CD273, B7-DC). PD-L2 has a more limited expression than PD-L1, being expressed on activated macrophages and dendritic cells. PD-L1 is expressed in many tumors, and the interaction with its receptor activates signaling pathways that inhibit T-cell activity and therefore the antitumor immune response. Antibodies targeting PD-1 or PD-L1 block the PD-1 pathway and reactivate T cell activity. |
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| Size | 20 µg |
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| Concentration | n/a |
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| Applications | BA |
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| Other Names | CD274, Programmed cell death 1 ligand 1 (PD-L1), B7 homolog 1 (B7h1) |
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| Gene, Accession, CAS # | Gene ID: 29126 |
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| Catalog # | 762504 |
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| Order / More Info | Recombinant Human B7-H1 (PD-L1, CD274)-Fc Chimera (carrier-free) from BIOLEGEND |
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| Product Specific References | n/a |
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