PD-1/CD279 Mouse Monoclonal antibody. Positive IHC detected in human tonsillitis tissue, human lymphoma tissue. Positive WB detected in Raji cells. Observed molecular weight by Western-blot: 32 kDa
ELISA, WB, IHC
Human; other species not tested.
CD279 antibody; hPD 1 antibody; hPD l antibody; PD1 antibody; PD-1 antibody; PD-1/CD279 antibody; PDCD1 antibody; programmed cell death 1 antibody; Protein PD 1 antibody; SLEB2 antibody
This antibody was obtained by immunization of PD-1/CD279 recombinant protein (Accession Number: NM_005018). Purification method: Protein A purified.
PBS with 0.02% sodium azide and 50% glycerol pH 7.3.
Store at -20℃. DO NOT ALIQUOT
Raji cells were subjected to SDS PAGE followed by western blot with (PD-1/CD279 Antibody) at dilution of 1:1000
Immunohistochemistry of paraffin-embedded human tonsillitis tissue slide using Catalog No:107459(PD-1/CD279 Antibody) at dilution of 1:200 (under 10x lens). Heat mediated antigen retrieved with Tris-EDTA buffer, pH9.0
Immunohistochemistry of paraffin-embedded human tonsillitis tissue slide using Catalog No:107459(PD-1/CD279 Antibody) at dilution of 1:200 (under 40x lens). Heat mediated antigen retrieved with Tris-EDTA buffer, pH9.0
Programmed cell death 1 (PD-1, also known as CD279) is an immunoinhibitory receptor that belongs to the CD28/CTLA-4 subfamily of the Ig superfamily. It is a 288 amino acid (aa) type I transmembrane protein composed of one Ig superfamily domain, a stalk, a transmembrane domain, and an intracellular domain containing an immunoreceptor tyrosine-based inhibitory motif (ITIM) as well as an immunoreceptor tyrosine-based switch motif (ITSM) (PMID: 18173375). PD-1 is expressed during thymic development and is induced in a variety of hematopoietic cells in the periphery by antigen receptor signaling and cytokines (PMID: 20636820). Engagement of PD-1 by its ligands PD-L1 or PD-L2 transduces a signal that inhibits T-cell proliferation, cytokine production, and cytolytic function (PMID: 19426218). It is critical for the regulation of T cell function during immunity and tolerance. Blockade of PD-1 can overcome immune resistance and also has been shown to have antitumor activity (PMID: 22658127; 23169436).
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