Cancer Immunology

Mosunetuzumab (BTCT-4465A) is a full-length, fully humanized immunoglobulin G1 (IgG1) T-cell-dependent bispecific (TDB) antibody targeting CD20 (B cells) and CD3 (T cells). Mosunetuzumab redirects T cells to engage and eliminate malignant B cells and can be used for the research of relapsed or refractory (R/R) B-cell non-Hodgkin lymphomas (B-NHLs). The Fc region of Mosunetuzumab incorporates a "knob-into-hole" structural modification and an N297G point mutation to achieve heterodimerization and eliminate Fc glycosylation, thereby effectively silencing antibody effector functions.

Anti-Mouse PD-1 Antibody (S-5001) is a selective inhibitor targeting PD-1, blocking the PD-1/PD-L1 immune checkpoint axis through competitive binding to PD-1. Anti-Mouse PD-1 Antibody (S-5001) works by reversing the tumor immunosuppressive microenvironment and reactivating the anti-tumor activity of cytotoxic T lymphocytes. It can be used in research on tumors such as melanoma and HPV-positive oropharyngeal squamous cell carcinoma. Anti-Mouse PD-1 Antibody (S-5001) is often combined with photothermal therapy, chemotherapy, etc., to enhance efficacy.

trans-Vaccenic acid is a naturally occurring trans fatty acid (TFA). trans-Vaccenic acid inhibits nasopharyngeal carcinoma (NPC) cell growth and induces apoptosis through the inhibition of Bad/Akt phosphorylation. trans-Vaccenic acid is a precursor for the synthesis of saturated fatty acid in the rumen and of conjugated Linoleic acid (CLA) at the tissue level. trans-Vaccenic acid exerts hypolipidemic effects in a rat model of obesity.

Pam2CSK4 TFA is a TLR2 agonist. Pam2CSK4 TFA induces the expression of iNOS and NO in macrophage cell lines via TBK1 and MyD88 molecules. Pam2CSK4 TFA activates the NF-κB and Bruton's tyrosine kinase signaling pathways in platelets, and promotes platelet-endothelial cell interactions. TLR2 activation triggered by Pam2CSK4 TFA expands myeloid-derived suppressor cells (MDSCs) and suppresses anti-tumor immune responses in the tumor microenvironment. Pam2CSK4 TFA acts as a Th2-polarizing adjuvant in mouse vaccine models against Leishmania major and Brugia malayi. Pam2CSK4 TFA can be used in the research of various diseases, including thromboinflammatory diseases, sepsis, atherosclerosis, heart failure, influenza, lymphoma, melanoma, cutaneous leishmaniasis and lymphatic filariasis.

Raddeanin A is an oleanane-type triterpenoid saponin with oral activity. Raddeanin A inhibits SRC, mTOR, JNK, VEGFR2, NLRP3 inflammasome, Wnt/β-catenin, Wee1, PI3K/AKT signaling pathway, MAPK/ERK signaling pathway, AR-FL, AR-Vs, and downregulates the expression of p-PI3K and p-AKT. Raddeanin A inhibits osteoclast formation, bone resorption, osteolysis, cancer cell invasion, migration, proliferation, angiogenesis and epithelial-mesenchymal transition, while induces apoptosis, cell cycle arrest, ROS production, immunogenic cell death and dendritic cell maturation. Raddeanin A improves blood-retinal barrier function, alleviates inflammation, regulates the tumor microenvironment, and enhances the activity of anti-PD-1 antibody. Raddeanin A is applicable to the research of breast cancer-associated osteolysis, human osteosarcoma, colorectal cancer, glioblastoma, Alzheimer's disease, cholangiocarcinoma, melanoma, non-small cell lung cancer, castration-resistant prostate cancer and multiple myeloma.

Imneskibart (AU-007) is a human monoclonal antibody that binds to the CD25-binding epitope of interleukin-2 (IL-2), blocking the binding of IL-2 to the trimeric IL-2 receptor while retaining the ability to bind to the dimeric IL-2 receptor. Imneskibart expands effector T cell and NK cell populations, reduces regulatory T cells, increases the effector T cell/regulatory T cell ratio, and alleviates vascular leakage. Imneskibart can be used in research related to melanoma and non-small cell lung cancer. The corresponding isotype control is: Human IgG1 kappa, Isotype Control (HY-P99001).

AHL-7160 is a molecular glue degrader targeting DGKα, with an IC₅₀ value of 12 nM against the human protein. AHL-7160 rapidly recruits DGKα to the plasma membrane, blocks DGKα-mediated phosphatidic acid production, and induces proteasome-dependent degradation of DGKα with full proteome selectivity. AHL-7160 enhances primary T cell-mediated glioblastoma cell killing. AHL-7160 can be used in related research on glioblastoma.

PD-L1-IN-12 is an orally active and potent selenium-containing small-molecule PD-L1 inhibitor (K_D = 9.06 nM). PD-L1-IN-12 can mediate the internalization of PD-L1 and strongly block hPD-1 and hPD-L1 interaction (IC₅₀ = 5.2 nM). PD-L1-IN-12 can be used in colorectal cancer immunology research.

ERG245 is a selective amino acid aminotransferase (BCAT1) inhibitor with a human IC₅₀ of 0.5 nM. ERG245 enhances oxidative phosphorylation (OXPHOS) in CD8⁺ T cells by specifically inhibiting BCAT1 activity, thereby increasing the cytotoxicity of CD8⁺ T cells. ERG245 shows anti-inflammatory and anti-tumor activities. ERG245 can be used for the researches of cancer anf inflammation, such as colitis and colon cancer.

NR-V04 is a selective NR4A1 PROTAC degrader. NR-V04 forms a ternary complex with NR4A1 and the VHL E3 ligase, mediates proteasome-dependent degradation of NR4A1. NR-V04 induces tumor-infiltrating B cells and effector memory CD8⁺ T cells and reduces monocytic myeloid-derived suppressor cells in tumor microenvironments. NR-V04 can be used for the research of melanoma and colon cancer.

Epmedin C (Epimedin-C; Baohuoside-VI) is an orally active anti-inflammatory agent and immunomodulator that binds to multiple key proteins including UCP1, Caspase-1, CDK2 and Keap1. Epmedin C inhibits epithelial cell proliferation by disrupting the complex function of CDK2/Cyclin E. Epmedin C also upregulates Nrf2 expression, reduces ROS levels and inhibits pro-inflammatory cytokine secretion, thereby effectively restoring antibody production and alleviating tissue damage. Epmedin C has good safety with no hepatotoxicity or skin sensitization, and it has been used in studies on diseases such as obesity, Deoxynivalenol (HY-N6684)-induced immunotoxicity and mammary hyperplasia.

Gly-His-Lys acetate is a natural, circulating regulatory and antimicrobial tripeptide derived from extracellular matrix proteins. Gly-His-Lys acetate binds Cu²⁺ to support copper enzyme activation, antioxidant processes, cellular bioenergetics, and the synthesis of elastin, collagen and catecholamines. Gly-His-Lys acetate regulates cell growth, differentiation and tissue repair, and exerts regenerative, anxiolytic, anti-inflammatory, analgesic and immunosuppressive activities. Gly-His-Lys acetate induces liver degenerative changes. Gly-His-Lys acetate can be used for the research of infections, anxiety, pain-related behaviors and immune-associated liver diseases.

LD4172 is a selective RIPK1 PROTAC degrader with a K_i of 4.8 nM. LD4172 induces RIPK1 protein degradation via ternary complex formation with RIPK1 and VHL E3 ligase, driving ubiquitination and proteasomal breakdown. LD4172 abrogates TNF-induced classical NF-κB signaling in TRAF2-deficient cells, impairing IκBα phosphorylation and degradation, and reducing IL-8 production. LD4172 induces apoptosis and immunogenic cell death in tumor cells, enhances tumor-infiltrating lymphocyte responses, and sensitizes tumors to anti-PD1 therapy. LD4172 acts as a chemical probe for investigating RIPK1 scaffolding functions. LD4172 can be used for the research of melanoma, colon cancer.

SB24011 is a STING modulator and a TRIM29-STING protein-protein interaction inhibitor. SB24011 blocks TRIM29-induced K48-linked specific ubiquitination by binding to STING, thereby upregulating intracellular STING protein levels. SB24011 enhances inflammatory cytokine expression and STING-mediated immune responses, and exhibits abscopal antitumor activity that promotes tumor regression and activates T cell infiltration. When combined with STING agonists or anti-PD1 antibodies, SB24011 synergistically enhances antitumor responses. SB24011 is suitable for research related to colon cancer and melanoma.

Ginsenoside F3 is a saponin extracted from the leaves of Panax ginseng with immunoenhancing and antitumor immunostimulatory activities. Ginsenoside F3 upregulates RIPOR2 with a K_d value of 3.77 μM. Ginsenoside F3 enhances NF‑κB activation, upregulates T‑bet and downregulates GATA‑3, increases the production of IL‑2 and IFN‑γ, decreases the production of IL‑4 and IL‑10, reverses CD8⁺ T‑cell exhaustion, restores cytokine secretion, and enhances antitumor immunity in a mouse non‑small cell lung cancer model. Ginsenoside F3 can be used for the research of non-small cell lung cancer.

Bacopaside I is an orally active aquaporin AQP1 inhibitor and PKC modulator with neuroprotective and anticancer activities. Bacopaside I specifically blocks the water channel and cGMP-gated ion channel activities of AQP1 without affecting AQP4, thereby inhibiting the migration of colon cancer cells expressing AQP1. Bacopaside I activates the Akt pathway by interacting with PI3K, specifically inhibits MAO-A, effectively alleviates neuron necrosis and apoptosis induced by oxygen-glucose deprivation, reduces oxidative stress, and regulates the surface expression of neuroreceptors. When combined with Bacopaside II (HY-N6016), Bacopaside I significantly reduces the viability, proliferation and invasion ability of breast cancer cells, and binds to the pregnane X receptor (PXR). Bacopaside I is applicable to the research of colon cancer, breast cancer, vascular dementia, cerebral ischemia and other related diseases.

Poly(D,L-lactide-co-glycolide) is a biodegradable polymer copolymer. Poly(D,L-lactide-co-glycolide) undergoes degradation through ester bond hydrolysis into lactic acid and glycolic acid. These two products can be naturally eliminated through metabolism in the body (such as the tricarboxylic acid cycle), without the risk of long-term accumulation. Poly(D,L-lactide-co-glycolide) can be used in medical sutures, implants, and drug delivery systems.

PTX-35 is a costimulatory agonist antibody targeting TNFRSF25 as well as an immune activator that selectively regulates activated CD8⁺ T cells. PTX-35 enhances the expansion, survival and effector functions of T cells, while reducing the inhibitory activity of regulatory T cells and impairing their stability. PTX-35 exhibits anti-tumor activity, effectively delaying tumor progression and prolonging survival. PTX-35 has a synergistic effect with anti-OX40 agonist antibodies. PTX-35 can be widely used in research on related diseases such as colon cancer and melanoma.

PROTAC PD-L1 degrader-2 is a PD-L1 PROTAC degrader with an IC₅₀ of 197.4 nM and a K_d of 301 nM. PROTAC PD-L1 degrader-2 induces PD-L1 endocytosis, drives degradation via the proteasomal and lysosomal pathways, and inhibits the PD-1/PD-L1 interaction. As an immune activator, PROTAC PD-L1 degrader-2 increases the levels of CD4⁺, CD8⁺, granzyme B and perforin. PROTAC PD-L1 degrader-2 can be used in studies related to colon cancer immunology.

Efizonerimod alfa (MEDI-6383) is a recombinant human OX40L IgG4P Fc fusion protein that assembles into a hexameric structure and exerts potent agonist activity upon binding to OX40. The activity of Efizonerimod alfa is enhanced by Fcγ receptor-mediated aggregation. Efizonerimod alfa binds to OX40 on the surface of activated T cells, induces NF-κB promoter activity in OX40-expressing T cells, and triggers the production of Th1-type cytokines, T cell proliferation, and resistance to regulatory T cell (Treg)-mediated suppression. Efizonerimod alfa enhances the cytolytic activity of tumor-reactive T cells and slows tumor growth in immunodeficient mice. Efizonerimod alfa induces the proliferation of CD4, CD8, and B cells in the peripheral blood of healthy non-human primates. Efizonerimod alfa can be used in the research of advanced solid malignancies and melanoma.