PD-1 Antibody (913429) [Alexa Fluor® 700] Summary
Recombinant Monoclonal Antibody.
Mouse myeloma cell line NS0-derived recombinant human PD-1
Accession # Q15116
Detects human PD-1 in direct ELISAs.
Test in a species/application not listed above to receive a full credit towards a future purchase.
- Flow Cytometry 0.25-1 ug/10^6 cells
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.
Packaging, Storage & Formulations
|Protect from light. Do not freeze.
- 12 months from date of receipt, 2 to 8 °C as supplied.
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
0.09% Sodium Azide
Please see the vial label for concentration. If unlisted please contact technical services.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for PD-1 Antibody (913429) [Alexa Fluor® 700]
- CD279 antigen
- programmed cell death 1
- programmed cell death protein 1
- Protein PD-1
Programmed Death-1 (PD-1) is a type I transmembrane protein belonging to the CD28/CTLA-4 family of immunoreceptors that mediate signals for regulating immune responses (1). Members of the CD28/CTLA-4 family have been shown to either promote T cell activation (CD28 and ICOS) or downregulate T cell activation (CTLA-4 and PD-1) (2). PD-1 is expressed on activated T cells, B cells, myeloid cells, and on a subset of thymocytes. In vitro, ligation of PD-1 inhibits TCR-mediated T cell proliferation and production of IL-1, IL-4, IL-10, and IFN-gamma. In addition, PD-1 ligation also inhibits BCR mediated signaling. PD-1 deficient mice have a defect in peripheral tolerance and spontaneously develop autoimmune diseases (2, 3). Two B7 family proteins, PD-L1 (also called B7-H1) and PD-L2 (also known as B7-DC), have been identified as PD-1 ligands. Unlike other B7 family proteins, both PD‑L1 and PD‑L2 are expressed in a wide variety of normal tissues including heart, placenta, and activated spleens (4). The wide expression of PD-L1 and PD-L2 and the inhibitor effects on PD-1 ligation indicate that PD-1 might be involved in the regulation of peripheral tolerance and may help prevent autoimmune diseases (2). The human PD-1 gene encodes a 288 amino acid (aa) protein with a putative 20 aa signal peptide, a 148 aa extracellular region with one immunoglobulin-like V‑type domain, a 24 aa transmembrane domain, and a 95 aa cytoplasmic region. The cytoplasmic tail contains two tyrosine residues that form the Immunoreceptor Tyrosine-based Inhibitory Motif (ITIM) and Immunoreceptor Tyrosine-based Switch Motif (ITSM) that are important in mediating PD-1 signaling. Mouse and human PD-1 share approximately 60% aa sequence identity (4).
- Ishida, Y. et al. (1992) EMBO J. 11:3887.
- Nishimura, H. and T. Honjo (2001) Trends in Immunol. 22:265.
- Latchman, Y. et al. (2001) Nature Immun. 2:261.
- Carreno, B.M. and M. Collins (2002) Annu. Rev. Immunol. 20:29.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed
for 1 year from date of receipt.
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