1. Signaling Pathways
  2. Immunology/Inflammation
  3. PD-1/PD-L1

PD-1/PD-L1

Programmed death-1 (PD-1) is a cell surface receptor that functions as a T cell checkpoint and plays a central role in regulating T cell exhaustion. PD-1 is activated by the engagement of its ligands PDL-1 or PDL-2. PD-1 receptor delivers inhibitory checkpoint signals to activated T cells upon binding to its ligands PD-L1 and PD-L2 expressed on antigen-presenting cells and cancer cells, resulting in suppression of T-cell effector function and tumor immune evasion. Inhibiting the programmed cell death-1 (PD-1)/programmed cell death-ligand 1 (PD-L1) pathway is an attractive strategy for tumor immunotherapy.

PD-1 is expressed on activated T cells, B cells, monocytes, dendritic cells (DCs), regulatory T cells (Tregs), and natural killer T cells (NKT). It is a member of a family of immunoglobulin domain (Ig) co-receptors that modify the outcome of activation of the T cell receptor by an antigen-presenting cell (APC) or infected target cell. PD-L1 is widely and constitutively expressed on both hematopoietic and nonhematopoietic cells; e.g., naive T and B cells, vascular endothelial cells, and pancreatic islet cells, whereas PD-L2 is exclusively and inducibly expressed on professional APCs.

PD-1/PD-L1 Related Products (45):

Cat. No. Product Name Effect Purity
  • HY-P9904
    Atezolizumab Inhibitor 98.98%
    Atezolizumab (MPDL3280A) is a selective humanized monoclonal IgG1 antibody against programmed death ligand 1 (PD-L1), used for cancer research.
  • HY-P9902
    Pembrolizumab Inhibitor 99.06%
    Pembrolizumab is a humanized antibody inhibiting the programmed cell death 1 (PD-1) receptor, used in cancer immunotherapy.
  • HY-P9903
    Nivolumab Inhibitor 98.56%
    Nivolumab is a programmed death receptor-1 (PD-1) blocking antibody to treat advanced (metastatic) non-small cell lung cancer.
  • HY-19991
    BMS-1 Inhibitor 99.56%
    BMS-1 is an inhibitor of the PD-1/PD-L1 protein/protein interaction (IC50 between 6 and 100 nM).
  • HY-19745
    BMS-202 Inhibitor 98.45%
    BMS-202 is a potent and nonpeptidic PD-1/PD-L1 complex inhibitor with an IC50 of 18 nM and a KD of 8 μM. BMS-202 binds to PD-L1 and blocks human PD-1/PD-L1 interaction. BMS-202 has antitumor activity.
  • HY-134884
    PD-1/PD-L1-IN-8 Inhibitor
    PD-1/PD-L1-IN-8 (example 24) is a PD-1/PD-L1 inhibitor, with an IC50 <= 10 nM.
  • HY-P9971
    Camrelizumab Inhibitor
    Camrelizumab (SHR-1210) is a potent humanied high-affinity IgG4-κ monoclonal antibody (mAb) to PD-1. Camrelizumab binds PD-1 at a high affinity of 3 nM and inhibits the binding interaction of PD-1 and PD-L1 with an IC50 of 0.70 nM. Camrelizumab acts as anti-PD-1/PD-L1 agent and can be used for cancer research, including NSCLC, ESCC, Hodgkin lymphoma, and advanced HCC et,al.
  • HY-P2478A
    Human PD-L1 inhibitor V TFA Inhibitor
    Human PD-L1 inhibitor V TFA, a human PD-1 protein binding peptide with a Kd value of 3.32 μM. Human PD-L1 inhibitor V TFA inhibit the interaction of hPD-1/hPD-L1.
  • HY-100022
    Tomivosertib Inhibitor 99.92%
    Tomivosertib (eFT508) is a potent, highly selective, and orally active MNK1 and MNK2 inhibitor, with IC50s of 1-2 nM against both isoforms. Tomivosertib (eFT508) treatment leads to a dose-dependent reduction in eIF4E phosphorylation at serine 209 (IC50=2-16 nM) in tumor cell lines. Tomivosertib (eFT508) also dramatically downregulates PD-L1 protein abundance.
  • HY-108730
    Avelumab Inhibitor
    Avelumab is a fully human IgG1 anti-PD-L1 monoclonal antibody with potential antibody-dependent cell-mediated cytotoxicity.
  • HY-P9919
    Durvalumab Inhibitor 99.60%
    Durvalumab (MEDI 4736) is an humanized anti-PD-L1 monoclonal antibody. Durvalumab (MEDI4736) completely blocks the binding of PD-L1 to both PD-1 and CD80, with IC50s of 0.1 and 0.04 nM, respectively.
  • HY-101093
    PD-1-IN-1 Inhibitor 99.63%
    PD-1-IN-1 is an inhibitor of programmed cell dealth-1 (PD-1) extracted from patent WO2015033299A1, compound example 4. PD-1-IN-1 can be used as immune modulator.
  • HY-102011
    BMS-1166 Inhibitor 99.86%
    BMS-1166 is a potent PD-1/PD-L1 immune checkpoint inhibitor. BMS-1166 induces dimerization of PD-L1 and blocks its interaction with PD-1, with an IC50 of 1.4 nM. BMS-1166 antagonizes the inhibitory effect of PD-1/PD-L1 immune checkpoint on T cell activation.
  • HY-N0242
    Fraxinellone Inhibitor 99.99%
    Fraxinellone is isolated from the root bark of the Rutaceae plant, Dictamnus dasycarpus. Fraxinellone is a PD-L1 inhibitor and inhibits HIF-1α protein synthesis without affecting HIF-1α protein degradation. Fraxinellone has the potential to be a valuable candidate for cancer treatment by targeting PD-L1.
  • HY-120635
    BMS-1001 hydrochloride Inhibitor 98.46%
    BMS-1001 hydrochloride is an orally active human PD-L1/PD-1 immune checkpoint inhibitor. BMS-1001 hydrochloride exhibits low-toxicity in cells.
  • HY-19745A
    N-deacetylated BMS-202 Inhibitor 98.38%
    N-deacetylated BMS-202 is the deacetylated of BMS-202. BMS-202 is an inhibitor of the PD-l/PD-Ll interaction, mainly used for cancer treatment.
  • HY-P1812A
    AUNP-12 TFA Antagonist
    AUNP-12 TFA (NP-12 TFA) is a peptide antagonist of the PD-1 signaling pathway, displays equipotent antagonism toward PD-L1 and PD-L2 in rescue of lymphocyte proliferation and effector functions. AUNP-12 TFA exhibits immune activation, excellent antitumor activity, and potential for better management of immune-related adverse events (irAEs).
  • HY-P3139
    TPP-1 Inhibitor 98.04%
    TPP-1 is a potent inhibitor of the PD-1/PD-L1 interaction. TPP-1 binds specifically to PD-L1 with a high affinity (KD=95 nM). TPP-1 inhibits human tumor growth in vivo via reactivating T-cell function.
  • HY-B1387
    Sulfamethoxypyridazine Inhibitor 99.67%
    Sulfamethoxypyridazine is a long-acting sulfonamide antibiotic, for treatment of Dermatitis herpetiformis.
  • HY-101097
    PD-1-IN-17 Inhibitor
    PD-1-IN-17 is a programmed cell death-1 (PD-1) inhibitor extracted from patent WO2015033301A1, Compound 12, inhibits 92% splenocyte proliferation at 100 nM.
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