STAT3 Inhibitor

Crispene E is a STAT3 inhibitor with an IC₅₀ of 10.27 μM against STAT3 dimerization. Crispene E exerts specific cytotoxicity against STAT3-dependent MDA-MB-231 breast cancer cells. Crispene E is applicable to research related to breast cancer.

PROTAC c-Met degrader-6 is an orally active c-Met PROTAC degrader with DC₅₀ values of 0.52 nM (EBC-1) and 0.45 nM (Hs746T), respectively. PROTAC c-Met degrader-6 induces potent targeted degradation of c-Met via the ubiquitin-proteasome system by bridging the target protein c-Met and the Cullin-CRBN E3 ubiquitin ligase to form a ternary complex, thereby inducing tumor cell cycle arrest and apoptosis. PROTAC c-Met degrader-6 can be used in the research of various MET-driven cancers (such as gastric cancer, liver cancer, non-small cell lung cancer, etc.).

Tofacitinib-¹³C,d₃ (Tasocitinib-¹³C,d₃; CP-690550-¹³C,d₃) is the deuterated, ¹³C-labeled Tofacitinib (HY-40354). Tofacitinib (Tasocitinib) is an orally active, blood-brain barrier permeable selective inhibitor of JAK1/JAK3. Tofacitinib blocks the JAK-STAT/NF-κB signaling pathway, inhibits cytokine signal transduction, phosphorylation of STAT1/STAT5, and suppresses innate and adaptive immune responses. Tofacitinib can be used in research related to major depressive disorder, rheumatoid arthritis, pulmonary diseases, systemic lupus erythematosus, and immune-mediated liver injury.

L-Glutamine GMP is L-Glutamine (HY-N0390) produced by using GMP guidelines. GMP small molecules works appropriately as an auxiliary reagent for cell therapy manufacture. L-Glutamine is an orally active nutritional agent and cellular metabolism regulator. L-Glutamine is taken up in a Na⁺-dependent manner and targets multiple key molecules including glutaminase, mTORC1, NF-κB, STAT-3 and HIF-1α. L-Glutamine enhances glutaminolytic catabolism, drives the conversion of glutamate to α-ketoglutarate, thereby regulating gene expression, integrating metabolic signals, mediating glutamine flux and maintaining redox homeostasis. L-Glutamine also promotes cell proliferation, osteogenic differentiation and fracture healing, exerts neuroprotective and cardioprotective effects, and inhibits osteoarthritis. L-Glutamine can be applied to research related to osteoporosis, osteoarthritis, ischemic stroke and acute cantharidin-induced cardiotoxicity.

STAT3/AKT-IN-1 is a dual inhibitor for the signal transducer and activator of transcription 3 (STAT3) and protein kinase B (AKT) signalling pathway, exhibits antitumor activity against gastric cancer and induces cell apoptosis in SGC-7901 cells.

STAT3/NF-κB-IN-3 is an orally active STAT3/NF-κB inhibitor with anti-inflammatory and antioxidant activities, which specifically blocks the phosphorylation of NF-κB and STAT3 proteins. STAT3/NF-κB-IN-3 downregulates the expression of iNOS and NOX-2 in macrophages, reduces intracellular levels of ROS and MDA, and upregulates the expression of antioxidant genes at the same time. In a mouse model of acute liver failure induced by LPS/D-GalN, STAT3/NF-κB-IN-3 alleviates liver necrosis and inflammatory cell infiltration, and reduces the release of pro-inflammatory cytokines such as IL-6 and IL-12 via the TLR4 pathway. STAT3/NF-κB-IN-3 can be used in studies related to acute liver failure.

PHI-501 is a dual inhibitor targeting RAF/DDR. PHI-501 exhibits significant anti-proliferative effects in melanoma cell lines and significantly inhibits the colony formation of drug-resistant cells. PHI-501 strongly inhibits ERK and AKT phosphorylation. PHI-501 downregulates the gene sets in drug-resistant cells of TNFA-NFKB, IL6-JAK-STAT3, and KRAS signaling pathways as well as the epithelial-mesenchymal transition (EMT) signaling pathways. PHI-501 demonstrates significant anti-tumor effects in the SK-MEL3DR xenograft model. PHI-501 can be used for research on the problem of drug resistance in melanoma.

EGFR kinase-IN-8 (Compound H8b) is an EGFR inhibitor. EGFR kinase-IN-8 potently inhibits both triple-mutated EGFR^{L858R/T790M/C797S} (IC₅₀ = 3.86 nM) and double-mutated EGFR^L858R/T790M (IC₅₀ = 1.23 nM). EGFR kinase-IN-8 suppresses EGFR phosphorylation and downstream AKT, STAT3, and MAPK signaling. EGFR kinase-IN-8 exhibits anticancer activity against non-small cell lung cancer.

SCP-7 is a STAT3 inhibitor with a K_d value of 795 nM. SCP-7 induces mitochondrial dysfunction, increases ROS levels and promotes apoptosis. SCP-7 induces G2/M phase arrest of the cell cycle. SCP-7 inhibits the proliferation, migration and colony formation of colorectal cancer cells. SCP-7 suppresses tumor growth in a mouse xenograft model of colorectal cancer. SCP-7 is applicable to research related to colorectal cancer.

HSP110-IN-1 is a HSP110 inhibitor. HSP110-IN-1 binds to HSP110, inhibits the activity of STAT3, and downregulates the expression of downstream genes VEGF, MMP7 and MMP9. HSP110-IN-1 abrogates IL-6-induced epithelial-mesenchymal transition and inhibits the proliferation of colorectal cancer cells. HSP110-IN-1 remodels the tumor microenvironment by inducing a pro-inflammatory phenotype, regulates macrophages, induces PD-L1 expression, and enhances anti-PD-L1 antibody-mediated tumor regression. HSP110-IN-1 can be used in studies related to colorectal cancer.

Anti-inflammatory agent 92 (compound LD4) is a porphyrin derivative. Anti-inflammatory agent 92 has anti-inflammatory properties. Anti-inflammatory agent 92 can alleviate ulcerative colitis by inhibiting the STAT3-EPHX2 axis.

ODZ10117 is a STAT3 and NLRP3 inhibitor with a human STAT3 SH2 domain IC₅₀ of 7.5 μM. ODZ10117 binds to the STAT3 SH2 domain, suppressing tyrosine phosphorylation, dimerization, nuclear translocation, and transcriptional activity. ODZ10117 binds to NLRP3, impairs NEK7 interaction, prevents inflammasome formation, and inhibits caspase-1 and IL-1β cleavage.ODZ10117 reduces MSU (HY-B2130A)-induced IL-1β release, lowers LPS (HY-D1056)-induced sepsis mortality, and exhibits anti-inflammatory effects. ODZ10117 induces apoptosis, suppresses breast cancer cell migration and invasion, reduces tumor growth and lung metastasis, and extends survival in breast cancer models. ODZ10117 can be used for the research of Monosodium urate (HY-B2130A)-induced peritonitis, LPS-induced sepsis, breast cancer, glioblastoma, and Alzheimer's disease.

STAT3-IN-41 (Compound 16) is a prodrug of compound 1. STAT3-IN-41 slowly releases compound 1 inhibiting STAT3 signaling pathway. STAT3-IN-41 shows antitumor activity against lung cancer, hepatocellular carcinoma and pancreatic cancer.

YL064 is a multi-target STAT3-c-MYC inhibitor that directly binds to ATXN3 and inhibits its deubiquitinating activity, thereby promoting the ubiquitination and proteasomal degradation of oncogenic substrates of ATXN3. YL064 inhibits the phosphorylation of STAT3-Tyr705 without altering the total protein level of STAT3; meanwhile, it directly binds to the SH2 domain of STAT3 to block the dimerization, nuclear translocation, and DNA-binding activity of STAT3. YL064 directly targets the C-terminal HLH-Zip domain of c-Myc, upregulates the phosphorylation of c-Myc at the Thr58 site, and induces the ubiquitination and proteasome-dependent degradation of c-Myc. YL064 suppresses tumor cell proliferation, induces G2/M cell cycle arrest, reduces cell migration and invasion capacities, and triggers cancer cell apoptosis. YL064 can be used in related research on breast cancer, prostate cancer, diffuse large B-cell lymphoma, and multiple myeloma.

Golotimod TFA (SCV 07 TFA), an immunomodulating peptide with antimicrobial activity, significantly increases the efficacy of antituberculosis therapy, stimulates thymic and splenic cell proliferation, and improves macrophage function. Golotimod TFA (SCV 07 TFA) inhibits STAT3 signaling and modulates the duration and severity of oral mucositis in animal models that received radiation or a combination of radiation and Cisplatin. Golotimod TFA (SCV 07 TFA) is also a potential therapeutic for recurrent genital herpes simplex virus type 2 (HSV-2).

YZZ-24 is a highly potent and selective STAT3 inhibitor featuring a K_i of 0.26 μM. YZZ-24 directly binds to STAT3 (STAT3 SH2 domain) and effectively inhibits STAT3 phosphorylation at tyrosine 705 (p-STAT3^Tyr705) and STAT3 phosphorylation at serine 727 (p-STAT3^Ser727), thereby blocking downstream oncogenic signaling and inducing apoptosis, while having minimal impact on upstream kinases. YZZ-24 can be used in colorectal cancer research.

HJC0416 is a potent and orally active STAT3 inhibitor. HJC0416 shows antiprolifeative activity and induces Apoptosis. HJC0416 decreases the expression of p-STAT3 (Tyr-705), Cyclin D1 and increases the expression of cleaved caspase-3 protein. HJC0416 shows anti-tumor activity.

TU-100 is a Japanese herbal medicine. TU-100 exhibits anti-cancer effects by regulating cancer-associated fibroblasts (CAFs) in the TME. TU-100 can antagonize the M2 polarization phenotype of macrophages in the tumor microenvironment by suppressing the TLR4/NF-κB/STAT3 axis. TU-100 can inhibit the high expression of MMP-2, COX-2, and VEGF in TAMs.

JAK2-IN-13 is a potent and orally active JAK2 inhibitor with an IC₅₀ of 54.7 nM. JAK2-IN-13 downregulates the expressions of p-STAT3 and p-STAT5. JAK2-IN-13 exhibits good bioavailability and potent inhibition of rhEPO-induced extramedullary erythropoiesis and polycythemia vera. JAK2-IN-13 can be used for the study of myeloproliferative neoplasms.

STAT3-IN-46 is a selective and orally active inhibitor of signal transducer and activator of transcription 3 (STAT3) (K_D = 323.3 nM). STAT3-IN-46 directly binds to the SH2 domain of the STAT3 and inhibits IL-6/JAK/STAT3 signaling pathway (IC₅₀ = 0.87 μM) and downregulates c-Myc and Bcl-2 levels. STAT3-IN-46 can be used for the research of cancer, such as triple-negative breast cancer.