Vanicoside B is a phenylpropanoyl sucrose derivative, can be isolated from the herb Persicaria dissitiflora. Vanicoside B targets cyclin-dependent kinase 8 (CDK8) and exhibits anti-tumor activity. The potential mechanism is Vanicoside B blocks CDK8-mediated signaling pathways and decreases the expression of epithelial-mesenchymal transition proteins, so that it leads to cell cycle arrest and apoptosis[1][2].
Eucannabinolide is a STAT3 inhibitor. Eucannabinolide suppresses STAT3 activation at tyrosine 705, inhibiteds its translocation to nucleus, and decreases its DNA binding capacity. Eucannabinolide can be used for triple negative breast cancer (TNBC) diseases research[1].
Niclosamide-13C6 (monohydrate) is the 13C labeled Niclosamide monohydrate[1]. Niclosamide (BAY2353) monohydrate is an orally active antihelminthic agent used in parasitic infection research[2]. Niclosamide monohydrate is a STAT3 inhibitor with an IC50 of 0.25 μM in HeLa cells[5]. Niclosamide monohydrate has biological activities against cancer, and inhibits DNA replication in Vero E6 cells[3][4][6].
OSM-SMI-10B a derivative of OSM-SMI-10. OSM-SMI-10B significantly reduces OSM-induced STAT3 phosphorylation in cancer cells upon co-incubation with OSM (Oncostatin M)[1].
Tetramethylcurcumin (FLLL31), derived from curcumin, specifically suppresses the phosphorylation of STAT3 by binding selectively to Janus kinase 2 and the STAT3 Src homology-2 domain. Tetramethylcurcumin exhibits anti-inflammatory and anti-cancer effects[1][2].
W1131 is a potent STAT3 inhibitor, triggering ferroptosis. W1131 suppresses cancer progression in gastric cancer cell subcutaneous xenograft model, organoids model, and PDX model. W1131 effectively alleviates chemical resistance of cancer cells to 5-FU (HY-90006). W1131 regulates cell cycle, DNA damage response, and oxidative phosphorylation, including IL6-JAK-STAT3 pathway and ferroptosis pathway[1].
STAT5-IN-2 is a STAT5 inhibitor with EC50s of 9 μM and 5 μM in K562 and KU812 cells, respectively. Potent antileukemic effect[1].
BP-1-102 is an orally available, small-molecule inhibitor of transcription factor Stat3, with an IC50 of 6.8 μM.
RO8191 (RO4948191), an imidazonaphthyridine compound, is an orally active and potent interferon (IFN) receptor agonist. RO8191 activates IFN-stimulated genes (ISGs) expression and JAK/STAT phosphorylation. RO8191 shows antiviral activity against both HCV and EMCV with an IC50 of 200 nM for HCV replicon[1].
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.
MNK8 is a potent STAT3 (signal transducer and activator of transcription 3) inhibitor. MNK8 inhibits STAT3 activation and reduced its DNA binding ability. MNK8 shows good growth inhibition against hepatocellular carcinoma (HCC) cells. MNK8 induces apoptosis in HCC cells. MNK8 reduces prosurvival proteins expression and migration/invasion of HCC cells[1].
ROCK2-IN-7 is a kinase inhibitor targeting to ROCK2. ROCK2-IN-7 inhibits ROCK2/pSTAT3 Signaling. ROCK2-IN-7 suppresses systemic immunity activation and attenuates inflammation in psoriasis model[1].
ML115 is a molecular probe of the signal transducer and activator of transcription (STAT3). ML115 is a STAT3 agonist[1].
(R,R)-VVD-118313 is the isomer of VVD-118313 (HY-151385). VVD-118313 is a selective JAK1 inhibitor and blocks JAK1-dependent trans-phosphorylation and cytokine signaling. VVD-118313 can be used for research of cancer[1].
STAT3-IN-17 is a moderate STAT3 inhibitor (IC50=0.7 μM; HEK-Blue IL-6), with antiproliferative activity in HeLa cells. STAT3-IN-17 has good pharmacokinetic characteristics. STAT3-IN-17 also inhibits pyruvate-ferredoxin oxidoreductase (PFOR), and inhibits Helicobacter pylori[1][2].
NSC 74859 is a selective Stat3 inhibitor with an IC50 of 86±33 μM.
(+)-Ochromycinone is a natural antibiotic that potently inhibits STAT3. (+)-Ochromycinone is used in the researches of cancers and psoriasis[1][2].
Artesunate is an inhibitor of both STAT-3 and exported protein 1 (EXP1).
Balsalazide-d4 is deuterium labeled Balsalazide. Balsalazide could suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.
SC-43, a Sorafenib derivative, is a potent and orally active SHP-1 (PTPN6) agonist. SC-43 inhibits the phosphorylation of STAT3 and induces cell apoptosis. SC-43 has anti-fibrotic and anticancer effects[1][2].
Angoline hydrochloride is a potent and selective IL6/STAT3 signaling pathway inhibitor with an IC50 of 11.56 μM. Angoline hydrochloride inhibits STAT3 phosphorylation and its target gene expression, and inhibits cancer cell proliferation[1].
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].
NT219 is a potent and dual inhibitor of insulin receptor substrates 1/2 (IRS1/2) and STAT3. IRS1/2 and STAT3 are major signaling junctions regulated by various oncogenes. NT219 affects IRS1/2 degradation and inhibits STAT3 phosphorylation. NT219 has the potential for the research of cancer diseases[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].
STAT3-IN-18 (compound SPP) is a platinum (IV) complex with an axial ligand derived from sandalwood. STAT3-IN-18 inhibits the JAK2-STAT3 pathway in breast cancer (BC) cells, with anti-proliferative activity. STAT3-IN-18 activates caspase-3 and increases cleaved polyADP-ribose polymerase to induce apoptosis. STAT3-IN-18 promotes maturation and antigen presentation of dendritic cells and demonstrates safety in vivo.
FLLL32 is a STAT3 inhibitor derived from the natural product curcumin. FLLL32 retains the cellular response to cytokines with anti-tumor activity[1].
UC-514321 is a more effective analog of NSC-370284 that directly binds to STAT3/5, significantly and selectively suppresses the viability of AML cells with high level of TET1 expression both in vitro and in vivo; shows no inhibitory effect on the viability of TET1-low AML (i.e., NB4) cells, function as TET1-transcription inhibitor in TET1-high AMLs and the anti-leukemic effects are TET1-dependent.
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].
L002 is a novel potent, specific acetyltransferase p300 (KAT3B) inhibitor with an IC50 of 1.98 uM. L002 has weak inhibitory effects against PCAF and GCN5 (IC50s =35 and 34 µM, respectively) and is specific for p300 over a panel of additional acetyltransferases, deacetylases, and methyltransferases[1]. L002 blocks histone acetylation and p53 acetylation, and inhibits STAT3 activation[2].