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].
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.
(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].
Balsalazide-d4 is deuterium labeled Balsalazide. Balsalazide could suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.
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].
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].
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].
Artesunate-d4 is deuterium labeled Artesunate. Artesunate is an inhibitor of both STAT-3 and exported protein 1 (EXP1).
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-20 (Compound 40) is a selective STAT3 inhibitor (IC50: 0.65 μM). STAT3-IN-20 binds the SH2 domain to inhibit STAT3 phosphorylation, translocation, and downstream gene transcription. STAT3-IN-20 exhibits antiproliferative activities against STAT3-overactivated DU145 and MDA-MB-231 cancer cells (IC50: 2.97 μM and 3.26 μM respectively). STAT3-IN-20 induces cell cycle arrest and apoptosis[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].
8-Epixanthatin is a potential colchicine binding site inhibitor isolated from Xanthium chinese Mill. 8-Epixanthatin can inhibit the activation of STAT3, induce apoptosis, and has anti-tumor activity[1].
C188-9 is a Stat3 inhibitor, with a Kd of 4.7 nM.
STAT3-IN-23 (PY*LKTK) is a potent STAT3 inhibitor[1].
Methyllinderone is an inhibitor of AP-1/STAT/ERK. Methyllinderone has anti-inflammatory effect. Methyllinderone reduce the invasion and migration rate of TPA-stimulated MCF-7 cells. Methyllinderone can be used in study breast cancer metastasis[1].
STAT6-IN-1 (compound 19a) is a STAT6 inhibitor with a high affinity for the SH2 domain of STAT6 (IC50=0.028 µM). STAT6-IN-1 can be used in studies of allergic lung disease, allergic rhinitis, chronic obstructive pulmonary disease or cancer[1][2].
(R)-Lisofylline ((R)-Lisophylline) is a (R)-enantiomer of the metabolite of Pentoxifylline with anti-inflammatory properties. (R)-Lisofylline is a lysophosphatidic acid acyltransferase inhibitor with an IC50 of 0.6 µM and interrupts IL-12 signaling-mediated STAT4 activation. (R)-Lisofylline has the potential for type 1 diabetes, autoimmune disorders research[1][2].
AG-490 is a tyrosine kinase inhibitor that inhibits EGFR, Stat-3 and JAK2/3.