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].
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].
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].
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].
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.
Niclosamide is an inhibitor of STAT3 with IC50 of 0.25 μM in HeLa cells and inhibits DNA replication in a cell-free assay.
Protosappanin A (PTA), an immunosuppressive ingredient and major biphenyl compound isolated from Caesalpinia sappan L, suppresses JAK2/STAT3-dependent inflammation pathway through down-regulating the phosphorylation of JAK2 and STAT3[1].
STAT3-IN-1 (compound 7d) is an excellent, selective and orally active STAT3 inhibitor, with IC50 values of 1.82 μM and 2.14 μM in HT29 and MDA-MB 231 cells, respectively. STAT3-IN-1 (compound 7d) induces tumor apoptosis[1].
STAT5-IN-1 is a STAT5 inhibitor with an IC50 of 47 μM for STAT5β isoform.
Minecoside is a CXCR4/STAT3 inhibitor with anticancer and anti-inflammatory activity. Minecoside decreases CXCR4 expression and suppresses STAT3 activation, thus to inhibit CXCL 12-induced invasion. Minecoside potently inhibits cancer metastasis and promotes apoptotic progression[1][2].
SD-1029 (NSC 371488) is a potent inhibitor of Stat3 activation, suppresses EGFP-Stat3 nuclear translocation at 10 uM in both BHK-21 and U2-OS cells; inhibits Stat3-mediated antiapoptotic protein expression (Bcl-XL, MCL-1, and survivin), and suppresses phosphotyrosine levels of JAK2; inhibits IL-6 or oncostatin-induced Stat3 nuclear translocation at micromolar range, enhances apoptosis induced by paclitaxel in human cancer cells.
ACT001 is an orally active PAI-1 inhibitor by inhibiting the phosphorylation of PI3K and AKT. ACT001 inhibits the phosphorylation of STAT3 and PD-L1 expression by directly binding to STAT3. ACT001, a fumarate salt form of DMAMCL (a prodrug of Micheliolide), can cross the blood-brain barrier. ACT001 has potent anti-glioblastoma (GBM) activity and immunomodulatory effects[1][2].
SD-1008 is a potent JAK inhibitor. SD-1008 inhibits tyrosyl phosphorylation of STAT3, JAK2 and Src. SD-1008 also reduces STAT3-dependent luciferase activity. SD-1008 enhances apoptosis induced by Paclitaxel in ovarian cancer cells via directly blocking the JAK-STAT3 signaling pathway[1].
Reticuline, isolated from Litsea cubeba, shows anti-inflammatory effects through JAK2/STAT3 and NF-κB signaling pathways. Reticuline inhibits mRNA expressions of TNF-α, and IL-6 and reduces the phosphorylation levels of JAK2 and STAT3[1].
Arnicolide D is a sesquiterpene lactone isolated from Centipeda minima. Arnicolide D modulates the cell cycle, activates the caspase signaling pathway and inhibits the PI3K/AKT/mTOR and STAT3 signaling pathways. Arnicolide D inhibits Nasopharyngeal carcinoma (NPC) cell viability in a concentration- and time-dependent manner[1].
Homoharringtonine (Omacetaxine mepesuccinate;HHT) is a cytotoxic alkaloid with antitumor properties which acts by inhibiting translation elongation.
Fraxinellone is isolated from the root bark of the Rutaceae plant, Dictamnus dasycarpus. Fraxinellone is a PD-L1 inhibitor and inhibits HIF-1α protein synthesis without affecting HIF-1α protein degradation. Fraxinellone has the potential to be a valuable candidate for cancer treatment by targeting PD-L1[1].
HO-3867 is a selective and potent STAT3 inhibitor and shows good antitumor activity.
DPP is a Platinum(IV) complex, bearing pterostilbene-derived axial ligand. DPP inhibit the JAK2-STAT3 pathway in breast cancer (BC) cells with antiproliferative activity, and activates caspase-3 and cleaved poly ADP-ribose polymerase to induces apoptosis. DPP promotes the maturation and antigen presentation of dendritic cells, and exhibits in vivo safety[1].
Garcinone C, a xanthone derivative, is a natural compound extracted from Garcinia oblongifolia Champ that is used as an anti-inflammatory, analgesia, astringency and granulation-promoting medicine, and has potential cytotoxic effects on certain cancers. Garcinone C stimulates the expression levels of ATR and 4E-BP1, while efficiently inhibiting the expression levels of cyclin B1, cyclin D1, cyclin E2, cdc2, Stat3 and CDK7. Garcinone C significantly inhibits cell viability of the human Nasopharyngeal carcinoma (NPC) cell lines CNE1, CNE2, HK1 and HONE1 in a time‑ and dose‑dependent manner[1].
FLLL32 is a STAT3 inhibitor derived from the natural product curcumin. FLLL32 retains the cellular response to cytokines with anti-tumor activity[1].
PM-81I is a potent STAT6 inhibitor (targeting the SH2 structural domain) that effectively reduces STAT6 phosphorylation levels. PM-81I can be used in studies of allergic lung disease, allergic rhinitis, chronic obstructive pulmonary disease or cancer[1].
Salviolone is a natural diterpenoid derivative that can against melanoma cells. Salviolone exhibits a pleiotropic effect against melanoma by hampering cell cycle progression, STAT3 signaling, and malignant phenotype of A375 melanoma cells[1].
2-Hydroxycinnamaldehyde is a phenylpropanoid that can be isolated from the bark of Cinnamomum cassia. 2-Hydroxycinnamaldehyde inhibits Wnt/β-catenin, STAT3 signaling. 2-Hydroxycinnamaldehyde induces cell apoptosis 2-Hydroxycinnamaldehyde has antitumor and anti-inflammation activities[1][2][3].
STAT3-IN-5 is a potent STAT3 inhibitor. STAT3-IN-5 inhibits STAT3-Y705 phosphorylation with an EC50 value of 170 nM. STAT3-IN-5 inhibits cytokine induced JAK activation. STAT3-IN-5 induces apoptosis. STAT3-IN-5 can be used in research of cancer[1].
LLL12 is a small molecule inhibitor of STAT3 that inhibits STAT3 phosphorylation. LLL12 enhanced the inhibitory effect of Cisplatin (HY-17394) and Paclitaxel (HY-B0015) on ovarian cancer cell formation, migration, and growth[1].
Isocryptotanshinone is a potent signal transducer and activator of transcription 3 (STAT3) and protein tyrosine phosphatase 1B PTP1B inhibitor, with an IC50 of 56.1 μM for PTP1B.
Pomstafib-2 is a potent and selective STAT5b inhibitor. Pomstafib-2 decreases the expression of pSTAT5b and induces Apoptosis[1][2].
APT STAT3 is a specific STAT3-binding peptide. APT STAT3 can bind STAT3 with high specificity and affinity (～231 nmol/L). APT STAT3 is a tractable agent for translation to target the broad array of cancers harboring constitutively activated STAT3[1].
STAT3-IN-10 (A11) is a STAT3 inhibitor with an IC50 value of 5.18 µM. STAT3-IN-10 directly binds to STAT3 SH2 domain, inhibits tumor cell growth and induces apoptosis in cancer cells[1].