STAT3-IN-24, cell-permeable (PpYLKTK-mts) is a STAT3 peptide inhibitor. STAT3-IN-24, cell-permeable inhibits recruitment of STAT3 to Jak2 and phosphorylation of Y705, thus preventing the dimerization and the nuclear translocation of STAT3[1].
STAT3-IN-14 (Compound 1) is a STAT3 inhibitor and has STAT3 phosphorylation inhibitory activity. STAT3-IN-14 (Compound 1) can directly bind to the hinge region of STAT3[1].
Curculigoside is the main saponin in C. orchioide, exerts significant antioxidant, anti-osteoporosis, antidepressant and neuroprotection effects. Curculigoside possesses significant anti-arthritic effects in vivo and in vitro via regulation of the JAK/STAT/NF-κB signaling pathway[1].
Golotimod (SCV-07), an immunomodulating peptide with antimicrobial activity, significantly increases the efficacy of antituberculosis therapy, stimulates thymic and splenic cell proliferation, and improves macrophage function. Golotimod (SCV-07) 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 (SCV-07) is a potential therapeutic for recurrent genital herpes simplex virus type 2 (HSV-2)[1][2][3].
SH-4-54 is a most potent, small molecule, nonphosphorylated STAT inhibitor, with KDs of 300, 464 nM for STAT3 and STAT5, respectively.
IST5-002, a potent Stat5a/b inhibitor, selectively inhibits transcriptional activity of Stat5a/b (IC50s: 1.5 μM for Stat5a, 3.5 μM for Stat5b). IST5-002 inducs cell apoptotic and death of prostate cancer cells and chronic myeloid leukemia (CML) cells. IST5-002 can be used in the research of prostate cancer and chronic myeloid leukemia (CML)[1].
STAT6-IN-2 (Comp R-84) is an inhibitor of STAT6. STAT6-IN-2 inhibits the secretion of chemokine eliciting eosinophil infiltration eotaxin-3. STAT6-IN-2 can be used for immune disease research[1].
NSC-370284 is a selective inhibitor of ten-eleven translocation 1 (TET1). NSC-370284 significantly inhibits the level of TET1 expression via targets STAT3/5. NSC-370284 has low cytotoxicity[1].
Cryptotanshinone is a natural compound extracted from the root of Salvia miltiorrhiza Bunge that shows antitumor activities. Cryptotanshinone inhibits STAT3 with an IC50 of 4.6 μM.
Delphinidin chloride, an anthocyanidin, is isolated from berries and red wine. Delphinidin chloride shows endothelium-dependent vasorelaxation. Delphinidin chloride also can modulate JAK/STAT3 and MAPKinase signaling to induce apoptosis in HCT116 cells[1][2][3].
Napabucasin is a STAT3 inhibitor which blocks stem cell activity in cancer cells.
Colivelin is a neuroprotective peptide and activator of STAT3.
STAT3-SH2 domain inhibitor 1 is a potent Src Homology 2 (SH2) Domain of STAT3 (STAT3-SH2 domain) inhibitor with a Kd value of 1.57 μM. STAT3-SH2 domain inhibitor 1 inhibits STAT3 signaling transduction and transcriptional activation. STAT3-SH2 domain inhibitor 1 induces apoptosis in gastric cancer cells. STAT3-SH2 domain inhibitor 1 can be used in research of cancer[1].
Picroside I is the major ingredient of Picrorhiza kurroa. Picrorhiza kurroa is a high value medicinal herb due to rich source of hepatoprotective metabolites, Picroside-I and Picroside-II[1]. Picroside I is a promising agent for the management of asthma. Picroside I reduces the inflammation significantly at its higher dose. Picroside I also downregulates pSTAT6 and GATA3 expressions. Picroside I dose-dependently increases the serum levels of IFN-γ[2].
A novel small molecule STAT3 inhibitor that inhibits STAT3 DNA binding activity with IC50 of 1.16 uM, binds to the STAT3 coiled-coil domain (CCD); also inhibits G-CSF-induced STAT3 phosphorylation in AML cell lines with IC50 of 0.8-1.9 uM,
HJC0416 hydrochloride is a potent and orally active STAT3 inhibitor with an enhanced anticancer profile than Stattic (HY-13818). HJC0416 hydrochloride is a promising anti-cancer agent for breast cancer study[1].
AS2863619 free base enables conversion of antigen-specific effector/memory T cells into Foxp3+ regulatory T (Treg) cells for the treatment of various immunological diseases. AS2863619 free base is a potent, orally active cyclin-dependent kinase 8 (CDK8) and CDK19 inhibitor with IC50s of 0.61 nM and 4.28 nM, respectively. STAT5 activation enhanced by AS2863619 free base inhibition of CDK8/19, which consequently activates the Foxp3 gene[1].
Ochromycinone ((Rac)-STA-21) is a natural antibiotic and a STAT3 inhibitor. Ochromycinone can inhibits STAT3 DNA binding activity, STAT3 dimerization. Ochromycinone has anticancer and antimicrobial activity[1][2].
Niclosamide-13C6 is the 13C6 labeled Niclosamide. Niclosamide (BAY2353) is an orally bioavailable chlorinated salicylanilide, with anthelmintic and potential antineoplastic activity. Niclosamide (BAY2353) inhibits STAT3 with IC50 of 0.25 μM in HeLa cells and inhibits DNA replication in a cell-free assay.
WP1066 is an inhibitor of JAK2 and STAT3, and also shows effect on STAT5 and ERK1/2, without affecting JAK1 and JAK3.
8α-Tigloyloxyhirsutinolide 13-O-acetate is a potent and orally active STAT3 inhibitor. 8α-Tigloyloxyhirsutinolide 13-O-acetate induces early oxidative stress and Pyroptosis, and late DNA damage, cell cycle arrest, Apoptosis in the TNBC cells. 8α-Tigloyloxyhirsutinolide 13-O-acetate suppresses tumor cell growth in vitro and tumor growth in vivo[1][2].
Ascochlorin (Ilicicolin D), an isoprenoid antibiotic, mediates its anti-tumor effects predominantly through the suppression of STAT3 signaling cascade. Ascochlorin induces apoptosis. Anti-inflammatory activity[1][2][3].
Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5.
A novel selective STAT3 inhibitor that inhibits JAK2-STAT3 activation but has no effects on other transcription factors such as NF-κB, and kinases such as AKT, ERK, and c-Src; inhibits STAT3 phosphorylation, dimerization and nuclear translocation, downregulates STAT3-modulated gene expression and induces MM cell apoptosis; delays tumor growth in MM xenograft models (30mg/kg); orally active.
Niclosamide is an inhibitor of STAT3 with IC50 of 0.25 μM in HeLa cells and inhibits DNA replication in a cell-free assay.
XZH-5 is a small moelcule that inhibits constitutive and interleukin-6-induced STAT3 phosphorylation, inhibits STAT3 DNA binding ability and downregulation of STAT3 downstream genes; inhibits downregulation of STAT3 downstream genes, such as Bcl-2, Bcl-xL, Cyclin D1 and Survivin, demonstrates blockade of STAT3 phosphorylation in human rhabdomyosarcoma cells with apoptosis and suppresses colony-forming ability and cell migration; blocks IL-6-induced STAT3 phosphorylation and nuclear translocation but not the stimulation of STAT1 phosphorylation by IFN-γ.
PROTAC STAT3 degrader-2 is a selective and efficacious PROTAC degrader of STAT3 protein with a DC50 of 3.54 μM in Molm-16 Cell. PROTAC STAT3 degrader-2 has the potential for cancer research[1].
Furowanin A is a flavonoid with anti-neoplastic effects. Furowanin A inhibits STAT3/Mcl-1 axis to suppress proliferation, block cell cycle progression, induce apoptosis and promote autophagy. Furowanin A potently inhibits colorectal cancer (CRC) cells[1].
A potent, selective STAT3 inhibitor that blocks STAT3 binding to its phosphopeptide ligand (IC50=20 uM) and inhibits IL-6-mediated phosphorylation of STAT3; inhibits nuclear translocation of phosphorylated Stat3 with IC50 of 39 uM, induces apoptosis preferentially of breast cancer cell lines with constitutive Stat3 activation.
Broussonin E is a phenolic compound and shows anti-inflammatory activity. Broussonin E can suppress inflammation by modulating macrophages activation statevia inhibiting the ERK and p38 MAPK and enhancing JAK2-STAT3 signaling pathway. Broussonin E can be used for the research of inflammation-related diseases such as atherosclerosis[1].