Systemic Lupus Erythematosus

Methotrexate (Amethopterin; CL14377; WR19039) is an orally active antifolate (Antifolate). Methotrexate inhibits dihydrofolate reductase (DHFR), blocks tetrahydrofolate production, suppresses purine/pyrimidine synthesis and transmethylation, and causes intracellular accumulation of AICAR. Methotrexate promotes extracellular adenosine release, regulates the cytokine network, and inhibits the alarmin function of HMGB1. Methotrexate induces apoptosis and cytotoxicity, upregulates the expression of iNOS and COX-2, suppresses hippocampal neurogenesis, and induces pulmonary fibrosis. Methotrexate is used in the research of various immune and inflammation-related diseases such as arthritis, psoriasis, systemic lupus erythematosus, as well as pulmonary fibrosis and breast cancer.

Deucravacitinib (BMS-986165) is an orally active allosteric inhibitor of tyrosine kinase 2 (TYK2), with an IC₅₀ of 0.2 nM and a K_i of 0.02 nM against the JH2 domain of TYK2, and it exhibits selectivity over other JAK subtypes and most of the kinome. Deucravacitinib blocks IL-23, IL-12, p-STAT1/3 and Type I IFN signaling, and inhibits Th17/Th1-mediated psoriasis inflammation. Deucravacitinib can be used in research related to moderate-to-severe plaque psoriasis, inflammatory bowel disease and systemic lupus erythematosus.

Rituximab is an anti-CD20 chimeric monoclonal antibody used for research of certain autoimmune diseases and cancer.

Tocilizumab (Anti-Human IL6R, Humanized Antibody) is an anti-human interleukin-6 receptor (IL-6R) neutralizing antibody, prevents binding of IL-6 to the IL-6R, thereby inhibiting both classic and trans-signaling. Tocilizumab (Anti-Human IL6R, Humanized Antibody) can be used for the treatment of rheumatoid arthritis. Tocilizumab is remarkablely effective for the study of severe COVID-19 (coronavirus disease).

Vitamin D3 (Cholecalciferol; Colecalciferol) is a naturally occuring form of vitamin D. Vitamin D3 induces cell differentiation and prevents proliferation of cancer cells.

Telitacicept (RC18) is a fully human TACI-Fc fusion protein. Telitacicept is a dual B lymphocyte stimulator (BLyS)/APRIL (a proliferation-inducing ligand) inhibitor that effectively blocks proliferation of B lymphocytes. Telitacicept can be used in research of B-cell autoimmune disease. The component ratio of this product is Active ingredient : Excipients = 1: 0.5-1: 0.8.

Dihydroartemisinin (Standard) (Dihydroqinghaosu (Standard)) is the analytical standard of Dihydroartemisinin (HY-N0176). This product is intended for research and analytical applications. Dihydroartemisinin is an orally active metabolite of rtemisinin (HY-B0094) and antimalarial agent. Dihydroartemisinin induces Autophagy by inhibiting NF-κB activation. Dihydroartemisinin promotes ROS accumulation. Dihydroartemisinin exhibits anticancer activity in esophageal cancer cells. Dihydroartemisinin shows schistosomicidal activity against juvenile and adult worms of Schistosoma japonicum, reduces worm burden, and displays antiparasitic activity. Dihydroartemisinin can be used in research related to multiple myeloma, promyelocytic leukemia, esophageal cancer, and Schistosoma japonicum infection.

Aritinercept (AUR-200) is a recombinant fusion protein targeting TNFSF13B/BAFF/CD257. Aritinercept neutralizes BAFF and APRIL (TNFSF13), reduces B cell proliferation, suppresses peripheral B cells, lowers serum immunoglobulins. Aritinercept reduces renal damage markers, decreases IFNγ, IL-17A, and anti-dsDNA autoantibodies, and improves survival in a mouse model of SLE. ritinercept can be used for the research of systemic lupus erythematosus.

Anifrolumab is a type I interferon (IFN) receptor antagonist, a human monoclonal antibody. Anifrolumab blocks the activity of type I interferon. Anifrolumab can be used in systemic lupus erythematosus (SLE) research.

Methotrexate disodium (Amethopterin disodium; CL14377 disodium; WR19039 disodium) is an orally active antifolate (Antifolate). Methotrexate disodium inhibits dihydrofolate reductase (DHFR), blocks tetrahydrofolate production, suppresses purine/pyrimidine synthesis and transmethylation, and causes intracellular accumulation of AICAR. Methotrexate disodium promotes extracellular adenosine release, regulates the cytokine network, and inhibits the alarmin function of HMGB1. Methotrexate disodium induces apoptosis and cytotoxicity, upregulates the expression of iNOS and COX-2, suppresses hippocampal neurogenesis, and induces pulmonary fibrosis. Methotrexate disodium is used in the research of various immune and inflammation-related diseases such as arthritis, psoriasis, systemic lupus erythematosus, as well as pulmonary fibrosis and breast cancer.

Belimumab (LymphoStat B) is a humanized IgG1λ monoclonal antibody against B-lymphocyte stimulator (BLyS) protein. Belimumab antagonizes BLyS activity in autoimmune diseases and B-lymphocyte malignancies. Belimumab can be used for systemic lupus erythematosus (SLE) research. The component ratio of this product is Active ingredient: Excipients = 1:1.0-1:1.2.

YE6144 free base is a selective prototypical interferon regulatory factor 5 (IRF5) inhibitor. YE6144 free base suppresses the disease course and is especially effective in remission maintenance in a mouse model of systemic lupus erythematosus (SLE). YE6144 free base can be used for SLE research.

Riliprubart (SAR 445088) is a selective anti-C1s humanized IgG4 monoclonal antibody with mutations that enhance its binding to the neonatal Fc receptor. Riliprubart blocks activation of the classical complement pathway, prevents the formation of the C3 convertase C4b2a, and inhibits complement-mediated hemolytic activity. Riliprubart can be used in research related to classical complement-mediated diseases, cold agglutinin disease, and chronic inflammatory demyelinating polyneuropathy. For the isotype control of Riliprubart, refer to Human IgG4 (S228P) kappa, Isotype Control (HY-P99003).

Litifilimab (BIIB059) is a humanized IgG1 monoclonal antibody targeting BDCA2. Litifilimab induces internalization of BDCA2 receptors on the membrane of plasmacytoid dendritic cells, inhibits the TLR7/TLR9 signaling pathway, and suppresses the production of type I interferons. Litifilimab can be used in the research of systemic and cutaneous lupus erythematosus.

Methotrexate hydrate (Amethopterin hydrate; CL14377 hydrate; WR19039 hydrate) is an orally active antifolate (Antifolate). Methotrexate hydrate inhibits dihydrofolate reductase (DHFR), blocks tetrahydrofolate production, suppresses purine/pyrimidine synthesis and transmethylation, and causes intracellular accumulation of AICAR. Methotrexate hydrate promotes extracellular adenosine release, regulates the cytokine network, and inhibits the alarmin function of HMGB1. Methotrexate hydrate induces apoptosis and cytotoxicity, upregulates the expression of iNOS and COX-2, suppresses hippocampal neurogenesis, and induces pulmonary fibrosis. Methotrexate hydrate is used in the research of various immune and inflammation-related diseases such as arthritis, psoriasis, systemic lupus erythematosus, as well as pulmonary fibrosis and breast cancer.

IRF5-CPP5 is a cytosolic peptide that selectively targeting human IRF5 wirh a K_d of 0.53 μM. IRF5-CPP5 disrupts IRF5 homodimerization and inhibits its nuclear translocation without altering IRF5 phosphorylation levels. IRF5-CPP5 inhibits proinflammatory cytokine (IL-6, IL-1β, TNF-α) production. IRF5-CPP5 can be used for the research of systemic lupus erythematosus.

Efavaleukin alfa (AMG592) is a IL-2 mutein fragment crystallizable fusion protein. Efavaleukin alfa drives the selective expansion of regulatory T cells. Efavaleukin alfa is applicable to research related to systemic lupus erythematosus.

TDI-6570 (TDI-006570) is a blood-brain barrier-permeable, orally active cGAS inhibitor with an IC₅₀ of 1.64 μM. TDI-6570 exhibits high gastrointestinal absorption and a long brain half-life in mice, and shows no toxicity to primary neurons. By inhibiting the cGAS-STING-IFN signaling pathway, TDI-6570 reduces STING levels and the activation of TBK1, blocks double-stranded DNA-induced cGAS activation and downstream interferon-stimulated gene expression, thereby reducing tau protein spread and improving synaptic loss. TDI-6570 reverses memory deficits, increases the amplitude of long-term potentiation, enhances the MEF2C transcriptional network, restores PSD-95 and vGAT punctate structures, and significantly improves cognitive resilience. TDI-6570 can be applied to the research of Alzheimer's disease, Parkinson's disease, systemic lupus erythematosus, as well as various central nervous system and autoimmune diseases.

Methotrexate (Standard) (Amethopterin (Standard); CL14377 (Standard); WR19039 (Standard)) is the analytical standard of Methotrexate (HY-14519). This product is intended for research and analytical applications. Methotrexate (Amethopterin; CL14377; WR19039) is an orally active antifolate (Antifolate). Methotrexate inhibits dihydrofolate reductase (DHFR), blocks tetrahydrofolate production, suppresses purine/pyrimidine synthesis and transmethylation, and causes intracellular accumulation of AICAR. Methotrexate promotes extracellular adenosine release, regulates the cytokine network, and inhibits the alarmin function of HMGB1. Methotrexate induces apoptosis and cytotoxicity, upregulates the expression of iNOS and COX-2, suppresses hippocampal neurogenesis, and induces pulmonary fibrosis. Methotrexate is used in the research of various immune and inflammation-related diseases such as arthritis, psoriasis, systemic lupus erythematosus, as well as pulmonary fibrosis and breast cancer.

L18I is a Bruton's tyrosine kinase (BTK) PROTAC degrader that targets wild-type and BTK^C481, and recruits the cereblon E3 ligase to mediate proteasomal degradation. L18I regulates the BCR, TLR, FcγR and NLRP3 inflammasome signaling pathways, inhibits the phosphorylation of PLCγ-2, ERK1/2 and p38, and reduces the levels of B cell activation markers CD25, CD69 and CD86. L18I downregulates the NF-κB, TNF and TLR signaling pathways, reduces the production of pro-inflammatory cytokines, and decreases immune cell infiltration and immune complex deposition. L18I inhibits the proliferation of BTK-expressing lymphoma cells, induces tumor regression in xenograft models, and exhibits synergistic activity when combined with inhibitors of SYK, PI3K or Lyn. L18I can be used in research related to lupus, diffuse alveolar hemorrhage and B-cell lymphoma.