IL-4 Inhibitor

(14S,15R)-14-Deoxyoxacyclododecindione (Compound 3) acts as an inhibitor of TGF-β-dependent Smad2/3 and IL-4-dependent STAT6, with IC₅₀ values of 90 nM and 20 nM, respectively. (14S,15R)-14-deoxyoxacyclododecindione is a potent IL-4 inhibitor with an IC₅₀
value of 20 nM. (14S,15R)-14-Deoxyoxacyclododecindione is applicable to the research of chronic inflammation and fibrotic diseases.

Epinastine (hydrochloride) (Standard) is the analytical standard of Epinastine hydrochloride (HY-B0640A). This product is intended for research and analytical applications. Epinastine hydrochloride (WAL801 hydrochloride) is a selective and orally active histamine H1 receptor antagonist, CD96/PVR inhibitor and mast cell stabilizer. Epinastine hydrochloride has high affinity for neuronal octopamine receptors in locusts (K_i = 2 nM) and honeybees (K_i = 1.1 nM). Epinastine hydrochloride inhibits TARC, IL-8, and IL-4. Epinastine hydrochloride activates anti-colon cancer immunity and inhibits Substance P (HY-P0201)-induced scratching behavior and increased vascular permeability. Epinastine hydrochloride can be used in the research of allergic diseases.

C6 L-threo Ceramide is a bioactive sphingolipid and cell-permeable analog of naturally occurring ceramides. C6 L-threo Ceramide significantly inhibits IL-4 production in T cells. Anti-allergic agents.

PI3Kδ-IN-28 is an orally active and selective PI3Kδ inhibitor with an IC₅₀ of 6.1 nM. PI3Kδ-IN-28 inhibits pro-inflammatory M1 macrophage polarization, promotes anti-inflammatory M2 phenotype, and alleviates pulmonary edema and inflammatory infiltration. PI3Kδ-IN-28 is applicable to research related to acute lung injury.

IAV-IN-5 is an orally active inhibitor of influenza A virus (IAV). IAV-IN-5 inhibits viral replication, blocks virus-induced apoptosis, oxidative stress and cytokine storm, and regulates host immune signaling pathways. IAV-IN-5 reduces viral load and inflammatory cytokine levels in lung tissues of IAV-infected mouse models, alleviates body weight loss and pulmonary pathological damage. IAV-IN-5 can be used in studies related to influenza A virus infection.

PARP14 inhibitor 1 is an orally active, selective PARP14 inhibitor with an IC₅₀ of 5.52 nM. PARP14 inhibitor 1 exhibits favorable pharmacokinetic properties and in vivo safety. PARP14 inhibitor 1 enhances and stabilizes intracellular endogenous PARP14 protein levels, while effectively reducing the expression levels of IL-4, IL-13 and IL-17A. PARP14 inhibitor 1 can be used in research related to atopic dermatitis.

Anti-Influenza agent 12 is an orally active inhibitor of influenza A virus infection. Anti-Influenza agent 12 inhibits RIG-I-mediated innate immune signaling and TLR3-mediated signaling pathways. Anti-Influenza agent 12 inhibits NF-κB phosphorylation and downregulates the expression levels of IRF3, ASC, iNOS, IL-4, IL-6, and IFN-α inflammatory genes. Anti-Influenza agent 12 inhibits viral nucleoprotein (NP) and matrix protein 2 (M2) mRNA transcription and protein synthesis. Anti-Influenza agent 12 inhibits virus-induced apoptosis, reduces ROS and NO production, and maintains mitochondrial membrane potential. Anti-Influenza agent 12 exhibits broad-spectrum activity against H1N1 and H3N2 subtypes, reduces viral load, and alleviates lung tissue damage. Anti-Influenza agent 12 can be used for research on influenza A virus infection.

STAT6-IN-7 is a STAT6 inhibitor. STAT6-IN-7 exhibits an IC₅₀ of 0.28 μM for inhibiting the binding of human STAT6/pIL-4Rα. STAT6-IN-7 can be used in the research of atopic dermatitis.

VAK-694 is a fully humanized anti-IL-4 monoclonal antibody. VAK-694 can be used for the research of seasonal allergic rhinitis.

Altrakincept is a recombinant hIL-4 receptor and IL-4 neutralizer. Altrakincept neutralizes endogenous IL-4, and prevents the decline of pulmonary function and acute asthma exacerbations after abrupt withdrawal of inhaled glucocorticoids.

STAT6-IN-12 is a potent STAT6 inhibitor with an IC₅₀ of 50 nM. STAT6-IN-12 also inhibits Smad2/3 with an IC₅₀ of 68 nM. STAT6-IN-12 inhibits TGFβ-dependent Smad2/3 signaling pathway, IL-4-dependent STAT6 signaling pathway, and cellular inflammatory responses. STAT6-IN-12 can be used for the research of inflammation.

IL-4-IN-3 (Compound 15/analog 15) is a selective, reversible small-molecule IL-4 inhibitor with a K_d of 31.9 nM for IL-4. IL-4-IN-3 inhibits IL-4-induced STAT6 phosphorylation in THP-1 monocytes and Ramos B lymphocytes. IL-4-IN-3 can be used in research related to allergic inflammation, cancer, autoimmune diseases, asthma and arthritis.

PDE4-IN-8 (Example 5) is a potent PDE4 inhibitor with an IC₅₀ of 0.93 nM for PDE4B2.PDE4-IN-8 has little effect on IL13 (IC₅₀=4.04 nM), IL4 (IC₅₀=36.33 nM), IFNy (IC₅₀=2394 nM).

AVP-13358 is an orally active IgE inhibitor that effectively suppresses immunoglobulin E (IgE)-mediated immune responses, with IC₅₀ values of 8 and 3 nM for IgE inhibition in vivo and in vitro in BALB/c mice, respectively. AVP-13358 acts directly on T cells, inhibiting the production and release of IL-4, IL-5, and IL-13. It also targets other markers critical for the development of allergic responses, including the B cell IgE receptor (CD23) in human monocytes and the CD23 and IL-4 receptors in mouse B cells. AVP-13358 can be used in research related to anti-allergic responses.

GNE-7056 is an orally active interleukin-2-inducible T-cell kinase (ITK) inhibitor with a K_i of 0.2 nM against human kinase, and exhibits high selectivity over LCK kinase. GNE-7056 inhibits PLCγ-1 phosphorylation, suppresses the production of IL-2, IL-4, IL-13 and TH2 cytokines, reduces CD4⁺ T-cell proliferation, and inhibits activation-induced cell death of CD4⁺ T cells by decreasing the abundance of FasL. GNE-7056 can be used in asthma-related research.

Olcorolimus (SAR-943) is a Rapamycin (HY-10219) derivative. Olcorolimus can reduce IL-4, IL-5, eosinophil, neutrophil, lymphocyte, cellular fibronectin; lung epithelial cell proliferation and mucus hypersecretory phenotype in Ovalbumin (HY-W250978)-sensitized BALB/c mice. Olcorolimus can be used for the researches of inflammation and immunology, such as asthma.

Epinastine-¹³C,d₃ (hydrobromide) is the ¹³C- and deuterium labeled Epinastine. Epinastine (WAL801) is an antihistamine and mast cell stabilizer. Epinastine is a potent, selective and orally-active histamine H1 receptor antagonist. Epinastine also inhibits IL-8 release and has an antiallergic action.

IL-4-IN-2 (Compound 14/analog 14) is a selective IL-4 inhibitor. IL-4-IN-2 binds to soluble IL-4 and inhibits IL-4-mediated signal transduction. IL-4-IN-2 suppresses STAT-6 phosphorylation induced by IL-13 and IL-4 in monocytes and B lymphocytes. IL-4-IN-2 is applicable to the research of allergic inflammation, cancer, autoimmune diseases, asthma and arthritis.

RV-6153 is a potent and selective dual inhibitor of PI3Kδ and PI3Kγ, with IC₅₀ values of 2.5 nM and 28 nM, respectively. RV-6153 dually inhibits PI3Kδ and PI3Kγ, blocking Akt phosphorylation, thereby inhibiting ROS production and cytokine release at the cellular level, and reducing neutrophil and macrophage accumulation in the airways in vivo. RV-6153 can be used in research on chronic obstructive pulmonary disease, asthma, and other inflammatory diseases.

Aloin (mixture of A&B) (Standard) is the analytical standard of Aloin (mixture of A&B) (HY-N6013). This product is intended for research and analytical applications. Aloin (mixture of A&B) is an orally active anthraquinone derivative isolated from Aloe vera. Aloin (mixture of A&B) mitigates airway impairment and exerts neuroprotective, anti-inflammatory, antioxidant, antibacterial, antifungal, antiviral and antitumor effects. Aloin (mixture of A&B) inhibits Clostridium histolyticum collagenase, granulocyte matrix metalloproteinases and human 20S proteasome. Aloin (mixture of A&B) upregulates the Nrf2/HO-1 pathway, suppresses the TGF-β/Smad2/3 pathway. Aloin (mixture of A&B) reduces IL-4/IL-5/IL-13 levels, and reverses oxidative stress markers (MDA, SOD, GSH). Aloin (mixture of A&B) can be used for research on chronic ulcers, burns, wounds, inflammatory and degenerative disorders, asthma and neuroblastoma.