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S7024 Stattic Stattic, the first nonpeptidic small molecule, potently inhibits STAT3 activation and nuclear translocation with IC50 of 5.1 μM in cell-free assays, highly selectivity over STAT1. Stattic induces apoptosis.
Brain Behav Immun, 2024, 119:836-850
Brain Behav Immun, 2024, S0889-1591(24)00395-7
Theranostics, 2024, 14(7):3014-3028
S1155 NSC 74859 (S3I-201) NSC 74859 (S3I-201) shows potent inhibition of STAT3 DNA-binding activity with IC50 of 86 μM in cell-free assays, and low activity towards STAT1 and STAT5.
Arthritis Rheumatol, 2024, 76(5):783-795
J Exp Clin Cancer Res, 2024, 43(1):112
Cell Death Dis, 2024, 15(5):338
S1491 Fludarabine Fludarabine is a STAT1 activation inhibitor which causes a specific depletion of STAT1 protein (and mRNA) but not of other STATs. Also a DNA synthesis inhibitor in vascular smooth muscle cells. Fludarabine induces apoptosis.
Nat Cell Biol, 2024,
Nat Commun, 2024, 15(1):1718
Nat Commun, 2024, 15(1):9820
S1014 Bosutinib Bosutinib is a novel, dual Src/Abl inhibitor with IC50 of 1.2 nM and 1 nM in cell-free assays, respectively. Bosutinib also effectively decreases the activity of PI3K/AKT/mTOR, MAPK/ERK and JAK/STAT3 signaling pathways by blocking the phosphorylation levels of p-ERK, p-S6, and p-STAT3. Bosutinib promotes autophagy.
Elife, 2024, 12RP92324
Front Immunol, 2024, 15:1425670
PLoS Pathog, 2024, 20(7):e1012170
S2796 WP1066 WP1066 is a novel inhibitor of JAK2 and STAT3 with IC50 of 2.30 μM and 2.43 μM in HEL cells; shows activity to JAK2, STAT3, STAT5, and ERK1/2 not JAK1 and JAK3. WP1066 induces apoptosis. Phase 1.
Nat Commun, 2024, 15(1):1987
Cancer Cell Int, 2024, 24(1):60
Aging (Albany NY), 2024, 16(4):3554-3582
S1396 Resveratrol Resveratrol has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases(LOX, IC50=2.7 μM), kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.
Biochem Biophys Res Commun, 2024, 723:150186
J Hazard Mater, 2023, 10.1016/j.jhazmat.2023.132932
Cell Death Dis, 2023, 14(6):367
S2285 Cryptotanshinone (Tanshinone C) Cryptotanshinone (Tanshinone C) is a STAT3 inhibitor with IC50 of 4.6 μM in a cell-free assay, strongly inhibits phosphorylation of STAT3 Tyr705, with a small effect on STAT3 Ser727, but none against STAT1 nor STAT5. Cryptotanshinone induces ROS-dependent autophagy and mitochondria-mediated apoptosis.
Bone Joint Res, 2024, 13(4):137-148
J Med Virol, 2023, 95(11):e29230
Microbiol Spectr, 2023, e0493222.
S2824 TPCA-1 TPCA-1 (GW683965) is an inhibitor of IKK-2 with IC50 of 17.9 nM in a cell-free assay, inhibits NF-κB pathway, exhibits 22-fold selectivity over IKK-1. TPCA-1 is also an inhibitor of STAT3 and enhances apoptosis.
Theranostics, 2024, 14(3):1224-1240
Cell Mol Gastroenterol Hepatol, 2024, S2352-345X(24)00005-5
bioRxiv, 2024, 2024.07.09.602730
S7337 SH-4-54 SH-4-54 is a potent STAT inhibitor with KD of 300 nM and 464 nM for STAT3 and STAT5, respectively.
Nat Commun, 2024, 15(1):1835
Cell Signal, 2024, S0898-6568(24)00170-0
J Cell Commun Signal, 2024, 18(1):e12017
S8605 C188-9 C188-9 (TTI 101) is a potent inhibitor of STAT3 that binds to STAT3 with high affinity (KD=4.7±0.4 nM). C188-9 is well tolerated in mice, shows good oral bioavailability, and is concentrated in tumors.
J Nanobiotechnology, 2024, 22(1):362
Cell Death Dis, 2024, 15(7):491
J Biol Chem, 2024, S0021-9258(24)02253-1
S3030 Niclosamide Niclosamide can inhibit DNA replication and inhibit STAT3 with IC50 of 0.7 μM in a cell-free assay. Niclosamide selectively inhibited the phosphorylation of STAT3 and had no obvious inhibition against the activation of other homologues (e.g., STAT1 and STAT5).
PLoS Pathog, 2024, 20(7):e1012352
Int J Nanomedicine, 2023, 18:7505-7521
Front Cell Dev Biol, 2023, 11:1062229
S7769 BP-1-102 BP-1-102 is a potent, orally bioavailable and selective STAT3 inhibitor, binds Stat3 with an affinity Kd of 504 nM and blocks Stat3-phospho-tyrosine (pTyr) peptide interactions and Stat3 activation at 4-6.8 μM.
Theranostics, 2024, 14(3):1224-1240
Cell Rep, 2024, 43(2):113751
J Cell Commun Signal, 2024, 18(1):e12017
S7977 Napabucasin (BBI608) Napabucasin (BBI608) is an orally available Stat3 and cancer cell stemness inhibitor.
Nat Commun, 2024, 15(1):1754
Sci Rep, 2024, 14(1):3178
Nat Commun, 2023, 14(1):2861
S7501 HO-3867 HO-3867, an analog of curcumin, is a selective STAT3 inhibitor that inhibits its phosphorylation, transcription, and DNA binding without affecting the expression of other active STATs. HO-3867 induces apoptosis.
Biomedicines, 2023, 11(3)694
Evid Based Complement Alternat Med, 2023, 2023:8378581
Front Pharmacol, 2022, 13:1039441
S4182 Nifuroxazide Nifuroxazide is a cell-permeable and orally available nitrofuran-based antidiarrheal agent that effectively suppresses the activation of cellular STAT1/3/5 transcription activity with IC50 of 3 μM against IL-6-induced STAT3 activation in U3A cells.
Cell Death Dis, 2024, 15(1):70
Cell Oncol (Dordr), 2024, 10.1007/s13402-024-00989-9
Viruses, 2024, 16(8)1322
S8685 AS1517499 AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM.
Nature, 2024, 625(7996):778-787
Bone Res, 2024, 12(1):15
Theranostics, 2024, 14(7):2794-2815
S9015 Homoharringtonine (HHT) Homoharringtonine (HHT), a plant alkaloid with antitumor properties, inhibits protein translation by preventing the initial elongation step of protein synthesis via an interaction with the ribosomal A-site. Homoharringtonine reversiblely inhibits IL-6-induced STAT3 Tyrosine 705 phosphorylation and reduced anti-apoptotic proteins expression.
Vet Comp Oncol, 2024, 10.1111/vco.12999
Nat Commun, 2023, 14(1):6473
Nat Commun, 2023, 14(1):6473
S2265 Artesunate Artesunate is a part of the artemisinin group of agents with an IC50 of < 5 μM for small cell lung carcinoma cell line H69. It is a potential inhibitor of STAT-3 and exhibits selective cytotoxicity of cancer cells over normal cells in vitro; A potent inhibitor of EXP1.
Virus Res, 2024, 349:199448
Int Immunopharmacol, 2023, 119:110205
Biomedicines, 2023, 11(9)2393
S6784 STAT5-IN-1 STAT5-IN-1 is a potent and selective STAT5 inhibitor with IC50 of 47 μM for STAT5β isoform.
Proc Natl Acad Sci U S A, 2024, 121(11):e2317658121
Cell Mol Life Sci, 2024, 81(1):152
Front Immunol, 2024, 15:1425670
S7951 Ochromycinone (STA-21) Ochromycinone (STA-21) is a selective STAT3 inhibitor.
Cell Rep, 2023, 42(2):112137
Neural Regen Res, 2023, 18(6):1325-1331
Biochem Pharmacol, 2021, 192:114688
S8561 HJC0152 HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility.
Cancer Discov, 2023, 13(7):1616-1635
Cancer Commun (Lond), 2023, 43(5):562-581
Cancer Commun (Lond), 2023, 43(5):562-581
S9664 Colivelin Colivelin (CLN) is a brain-penetrant neuroprotective peptide with potent long-term capacity against deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin is an activator of STAT3.
Commun Biol, 2024, 7(1):999
Heliyon, 2024, 10(9):e30445
Research Square, 2024, 10.21203/rs.3.rs-3840462/v1
S8197 APTSTAT3-9R APTSTAT3-9R is a specific STAT3-binding peptide with addition of a cell-penetrating motif. The treatment of APTSTAT3-9R in various types of cancer cells blocks STAT3 phosphorylation and reduces expression of STAT targets.
Hepatology, 2024, 10.1097/HEP.0000000000001003
Sci Rep, 2022, 12(1):7
Clin Transl Med, 2021, 11(2):e295
S0818 STAT3-IN-1 STAT3-IN-1 (compound 7d) is an excellent, selective and orally active inhibitor of STAT3 with IC50 of 1.82 μM and 2.14 μM in HT29 and MDA-MB 231 cells, respectively. STAT3-IN-1 induces apoptosis of tumor cells.
JCI Insight, 2023, 8(22)e164672
Front Cell Dev Biol, 2023, 11:1062229
Theranostics, 2022, 12(2):842-858
S0986 SC-1 SC-1 (1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(4-(4-cyanophenoxy)phenyl)urea, STAT3-IN-7), a Sorafenib analogue and potently inhibits the phosphorylation of STAT3, induces cell apoptosis through SHP-1 dependent STAT3 inactivation.
Int J Biol Sci, 2024, 20(6):2323-2338
Bone Joint Res, 2024, 13(4):137-148
Proc Natl Acad Sci U S A, 2021, 118(40)e2103623118
S3292 Falcarindiol Falcarindiol (FAD, (3R,8S)-Falcarindiol, FaDOH) is a natural polyacetylene compound found rich in many plants of the Umbelliferae family. Falcarindiol suppresses LPS-stimulated expression of inducible nitric oxide synthase (iNOS), tumor necrosis factor alpha (TNFα), interleukin-6 (IL-6), and interleukin-1 beta (IL-1β). Falcarindiol attenuates the LPS-induced activation of JNK, ERK, STAT1, and STAT3 signaling molecules.
Front Cell Infect Microbiol, 2023, 13:1128000
Front Pharmacol, 2021, 12:656697
S4358 Pimozide Pimozide (Orap, R6238) is an antagonist of Dopamine Receptors with Ki of 0.83 nM, 3.0 nM and 6600 nM for dopamine D3, D2 and D1 receptors, respectively. Pimozide also exhibits binding affinity at 5-HT1A and α1-adrenoceptor with Ki of 310 nM and 39 nM, respectively. Pimozide is an antipsychotic drug with anti-tumor activity and suppresses STAT3 and STAT5 activity.
Cell Rep Med, 2023, 10.1016/j.xcrm.2023.101286
Biol Pharm Bull, 2021, 10.1248/bpb.b21-00531
S6898 RCM-1 RCM-1 is a nontoxic inhibitor of Forkhead box M1 (FOXM1) that suppresses goblet cell metaplasia and prevents IL-13 and STAT6 signaling in allergen-exposed mice. RCM-1 decreases carcinogenesis and nuclear β-catenin.
J Mol Histol, 2024, 55(6):1259-1270
Front Immunol, 2022, 13:863034
S0981 BD750 BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively.
Bioengineered, 2022, 13(6):14616-14631
E1124 Narciclasine Narciclasine (Lycoricidinol), an isocarbostyril alkaloid narciclasine, targets STAT3 via distinct mechanisms in tamoxifen-resistant breast cancer cells. Narciclasine suppresses phosphorylation, activation, dimerization, and nuclear translocation of STAT3 by directly binding with the STAT3 SH2 domain and leads STAT3 degradation. Narciclasine is a plant growth modulator. Narciclasine modulates the Rho/Rho kinase/LIM kinase/cofilin signaling pathway, greatly increasing GTPase RhoA activity as well as inducing actin stress fiber formation in a RhoA-dependent manner.
Acta Biomater, 2024, S1742-7061(24)00036-9
POLYU ELECTRONIC THESES, 2023, viii, 164
S6919 Brevilin A Brevilin A (6-O-Angeloylplenolina), a sesquiterpene lactone isolated from Centipeda minima, is a selective inhibitor of STAT3 and attenuates the JAKs activity by blocking the JAKs tyrosine kinase domain JH1. Brevilin A induces apoptosis and autophagy of colon adenocarcinoma cell CT26 via mitochondrial pathway and PI3K/AKT/mTOR inactivation.
Front Pharmacol, 2022, 13:795613
S7923 SH5-07 (SH-5-07) SH5-07 is a robust hydroxamic acid-based STAT3 inhibitor, which induce antitumor cell effects in vitro and antitumor response in vivo against human glioma and breast cancer models.
Cell Rep, 2022, 39(12):110991
Cell Rep, 2022, 39(12):110991
S3810 Scutellarin Scutellarin (Breviscapine, Breviscapin, Scutellarein-7-glucuronide), the major active principal flavonoids extracted from the Chinese herbal medicines Scutellaria baicalensis and Erigeron breviscapus (Vant.) Hand-Mazz, has many pharmacological effects, such as antioxidant, antitumor, antiviral, and antiinflammatory activities. Scutellarin can down-regulates the STAT3/Girdin/Akt signaling in HCC cells, and inhibits RANKL-mediated MAPK and NF-κB signaling pathway in osteoclasts.
Biomed Pharmacother, 2022, 155:113781
S3745 Balsalazide disodium Balsalazide Disodium is the disodium salt form of balsalazide, an aminosalicylate and oral prodrug that is enzymatically cleaved in the colon to produce the anti-inflammatory agent mesalazine. Balsalazide Disodium suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.
Front Microbiol, 2020, 10:2936
S4842 Balsalazide Balsalazide (Colazal, Giazo), an aminosalicylate and oral prodrug, is enzymatically cleaved in the colon to produce the anti-inflammatory agent mesalazine. Balsalazide suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.
S0915 Morusin Morusin (Mulberrochromene) is an inhibitor of NF-κB and STAT3. Morusin is a prenylated flavonoid isolated from Marsdenia australis with antitumor, antioxidant, and anti-bacteria properties.
S0918 Ginkgolic acid C17:1 Ginkgolic acid C17:1 (GAC 17:1) inhibits constitutive activation of STAT3 through the abrogation of upstream JAK2 and Src. Ginkgolic acid C17:1 can induce the substantial expression of PTEN and SHP-1. Ginkgolic acid C17:1 induces apoptosis of tumor cells.
S3267 Nicotiflorin (Kaempferol-3-O-rutinoside) Nicotiflorin (Kaempferol-3-O-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity.
S5554 Lanatoside C Lanatoside C is a cardiac glycoside with antiviral and anti-tumor activity. Lanatoside C induces G2/M cell cycle arrest and induces autophagy and apoptosis via attenuating MAPK, Wnt, JAK-STAT, and PI3K/AKT/mTOR signaling pathways.
S8989 Xanthatin Xanthatin is a sesquiterpene lactone isolated from Xanthium strumarium leaves, which can inhibit the nuclear factor kappa-B (NF-κB), mitogen-activated protein kinase (MAPK) and signal transducer and activator of transcription (STATs) signaling pathways.
S0949 Cucurbitacin IIb Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and induces apoptosis. Cucurbitacin IIb is isolated from Hemsleya amabilis.
E0485 Stafia-1 Stafia-1 is the first STAT5a inhibitor that inhibits STAT5a (IC50=22.2 μM, Ki=10.9 μM) with at least 9‐fold selectivity over STAT5b and higher selectivity against other STAT family members.
Theranostics, 2024, 14(14):5698-5724
E2644 Tetramethylcurcumin Tetramethylcurcumin (FLLL31), a small-molecule signal transducer and activator of transcription 3 (STAT3) inhibitor derived from curcumin, binds selectively to Janus kinase 2 and the STAT3 Src homology-2 domain, which serve crucial roles in STAT3 dimerization and signal transduction.
E0011 Linderalactone Linderalactone inhibits human lung cancer growth by modulating the expression of apoptosis-related proteins (Bax and Bcl-2) with an IC50 of 15 µM in A-549 cells. Linderalactone induces G2/M cell cycle arrest and could also suppress the JAK/STAT signalling pathway. Linderalactone can be isolated from Radix linderae.
E0769 Ginsenoside Rh4 Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways.
S1349 SC99 SC99 is an orally active, selective STAT3 inhibitor targeting JAK2-STAT3 pathway by docking into the ATP-binding pocket of JAK2, also inhibits phosphorylation of JAK2and STAT3 with no effects on the other kinases associated with STAT3 signaling.
E0700 cucurbitacin E Cucurbitacin E (α-Elaterin; α-Elaterine), a tetracyclic triterpene derived from the climbing stem of Cucumic melo L, is an inhibitor of JAK2 and STAT3.
E2398 STAT5-IN-2 STAT5-IN-2 inhibits the growth of acute and chronic myeloid leukemia cells and the phosphorylation and transcriptional activity of STAT5, but not STAT3, AKT, or Erk1/2 phosphorylation, with minimal effects on bone marrow stromal cells that play vital functions in the microenvironment of hematopoietic and leukemic cells.
S0445 SC-43 SC-43, a sorafenib derivative, is an agonist of Src-homology protein tyrosine phosphatase-1 (SHP-1/PTPN6) and reduces liver fibrosis. SC-43 reduces p-STAT3 and induces apoptosis with anti-tumor activity.
S8152 Cucurbitacin I Cucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3.
S0456 inS3-54-A18 inS3-54A18 is a potent inhibitor of STAT3 with anti-cancer properties.
S9920 GYY4137 GYY4137 is a novel, water-soluble hydrogen sulfide (H2S)–releasing molecule with vasodilator and antihypertensive activity. GYY4137 shows potent anti-hepatocellular carcinoma activity through blocking the STAT3 pathway. GYY4137 also shows anti-inflammatory activity.
S7024 Stattic Stattic, the first nonpeptidic small molecule, potently inhibits STAT3 activation and nuclear translocation with IC50 of 5.1 μM in cell-free assays, highly selectivity over STAT1. Stattic induces apoptosis.
Brain Behav Immun, 2024, 119:836-850
Brain Behav Immun, 2024, S0889-1591(24)00395-7
Theranostics, 2024, 14(7):3014-3028
S1155 NSC 74859 (S3I-201) NSC 74859 (S3I-201) shows potent inhibition of STAT3 DNA-binding activity with IC50 of 86 μM in cell-free assays, and low activity towards STAT1 and STAT5.
Arthritis Rheumatol, 2024, 76(5):783-795
J Exp Clin Cancer Res, 2024, 43(1):112
Cell Death Dis, 2024, 15(5):338
S1491 Fludarabine Fludarabine is a STAT1 activation inhibitor which causes a specific depletion of STAT1 protein (and mRNA) but not of other STATs. Also a DNA synthesis inhibitor in vascular smooth muscle cells. Fludarabine induces apoptosis.
Nat Cell Biol, 2024,
Nat Commun, 2024, 15(1):1718
Nat Commun, 2024, 15(1):9820
S1014 Bosutinib Bosutinib is a novel, dual Src/Abl inhibitor with IC50 of 1.2 nM and 1 nM in cell-free assays, respectively. Bosutinib also effectively decreases the activity of PI3K/AKT/mTOR, MAPK/ERK and JAK/STAT3 signaling pathways by blocking the phosphorylation levels of p-ERK, p-S6, and p-STAT3. Bosutinib promotes autophagy.
Elife, 2024, 12RP92324
Front Immunol, 2024, 15:1425670
PLoS Pathog, 2024, 20(7):e1012170
S2796 WP1066 WP1066 is a novel inhibitor of JAK2 and STAT3 with IC50 of 2.30 μM and 2.43 μM in HEL cells; shows activity to JAK2, STAT3, STAT5, and ERK1/2 not JAK1 and JAK3. WP1066 induces apoptosis. Phase 1.
Nat Commun, 2024, 15(1):1987
Cancer Cell Int, 2024, 24(1):60
Aging (Albany NY), 2024, 16(4):3554-3582
S1396 Resveratrol Resveratrol has a wide spectrum of targets including cyclooxygenases(i.e. COX, IC50=1.1 μM), lipooxygenases(LOX, IC50=2.7 μM), kinases, sirtuins and other proteins. It has anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular effects. Resveratrol induces mitophagy/autophagy and autophagy-dependent apoptosis.
Biochem Biophys Res Commun, 2024, 723:150186
J Hazard Mater, 2023, 10.1016/j.jhazmat.2023.132932
Cell Death Dis, 2023, 14(6):367
S2285 Cryptotanshinone (Tanshinone C) Cryptotanshinone (Tanshinone C) is a STAT3 inhibitor with IC50 of 4.6 μM in a cell-free assay, strongly inhibits phosphorylation of STAT3 Tyr705, with a small effect on STAT3 Ser727, but none against STAT1 nor STAT5. Cryptotanshinone induces ROS-dependent autophagy and mitochondria-mediated apoptosis.
Bone Joint Res, 2024, 13(4):137-148
J Med Virol, 2023, 95(11):e29230
Microbiol Spectr, 2023, e0493222.
S2824 TPCA-1 TPCA-1 (GW683965) is an inhibitor of IKK-2 with IC50 of 17.9 nM in a cell-free assay, inhibits NF-κB pathway, exhibits 22-fold selectivity over IKK-1. TPCA-1 is also an inhibitor of STAT3 and enhances apoptosis.
Theranostics, 2024, 14(3):1224-1240
Cell Mol Gastroenterol Hepatol, 2024, S2352-345X(24)00005-5
bioRxiv, 2024, 2024.07.09.602730
S7337 SH-4-54 SH-4-54 is a potent STAT inhibitor with KD of 300 nM and 464 nM for STAT3 and STAT5, respectively.
Nat Commun, 2024, 15(1):1835
Cell Signal, 2024, S0898-6568(24)00170-0
J Cell Commun Signal, 2024, 18(1):e12017
S8605 C188-9 C188-9 (TTI 101) is a potent inhibitor of STAT3 that binds to STAT3 with high affinity (KD=4.7±0.4 nM). C188-9 is well tolerated in mice, shows good oral bioavailability, and is concentrated in tumors.
J Nanobiotechnology, 2024, 22(1):362
Cell Death Dis, 2024, 15(7):491
J Biol Chem, 2024, S0021-9258(24)02253-1
S3030 Niclosamide Niclosamide can inhibit DNA replication and inhibit STAT3 with IC50 of 0.7 μM in a cell-free assay. Niclosamide selectively inhibited the phosphorylation of STAT3 and had no obvious inhibition against the activation of other homologues (e.g., STAT1 and STAT5).
PLoS Pathog, 2024, 20(7):e1012352
Int J Nanomedicine, 2023, 18:7505-7521
Front Cell Dev Biol, 2023, 11:1062229
S7769 BP-1-102 BP-1-102 is a potent, orally bioavailable and selective STAT3 inhibitor, binds Stat3 with an affinity Kd of 504 nM and blocks Stat3-phospho-tyrosine (pTyr) peptide interactions and Stat3 activation at 4-6.8 μM.
Theranostics, 2024, 14(3):1224-1240
Cell Rep, 2024, 43(2):113751
J Cell Commun Signal, 2024, 18(1):e12017
S7977 Napabucasin (BBI608) Napabucasin (BBI608) is an orally available Stat3 and cancer cell stemness inhibitor.
Nat Commun, 2024, 15(1):1754
Sci Rep, 2024, 14(1):3178
Nat Commun, 2023, 14(1):2861
S7501 HO-3867 HO-3867, an analog of curcumin, is a selective STAT3 inhibitor that inhibits its phosphorylation, transcription, and DNA binding without affecting the expression of other active STATs. HO-3867 induces apoptosis.
Biomedicines, 2023, 11(3)694
Evid Based Complement Alternat Med, 2023, 2023:8378581
Front Pharmacol, 2022, 13:1039441
S4182 Nifuroxazide Nifuroxazide is a cell-permeable and orally available nitrofuran-based antidiarrheal agent that effectively suppresses the activation of cellular STAT1/3/5 transcription activity with IC50 of 3 μM against IL-6-induced STAT3 activation in U3A cells.
Cell Death Dis, 2024, 15(1):70
Cell Oncol (Dordr), 2024, 10.1007/s13402-024-00989-9
Viruses, 2024, 16(8)1322
S8685 AS1517499 AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM.
Nature, 2024, 625(7996):778-787
Bone Res, 2024, 12(1):15
Theranostics, 2024, 14(7):2794-2815
S9015 Homoharringtonine (HHT) Homoharringtonine (HHT), a plant alkaloid with antitumor properties, inhibits protein translation by preventing the initial elongation step of protein synthesis via an interaction with the ribosomal A-site. Homoharringtonine reversiblely inhibits IL-6-induced STAT3 Tyrosine 705 phosphorylation and reduced anti-apoptotic proteins expression.
Vet Comp Oncol, 2024, 10.1111/vco.12999
Nat Commun, 2023, 14(1):6473
Nat Commun, 2023, 14(1):6473
S2265 Artesunate Artesunate is a part of the artemisinin group of agents with an IC50 of < 5 μM for small cell lung carcinoma cell line H69. It is a potential inhibitor of STAT-3 and exhibits selective cytotoxicity of cancer cells over normal cells in vitro; A potent inhibitor of EXP1.
Virus Res, 2024, 349:199448
Int Immunopharmacol, 2023, 119:110205
Biomedicines, 2023, 11(9)2393
S6784 STAT5-IN-1 STAT5-IN-1 is a potent and selective STAT5 inhibitor with IC50 of 47 μM for STAT5β isoform.
Proc Natl Acad Sci U S A, 2024, 121(11):e2317658121
Cell Mol Life Sci, 2024, 81(1):152
Front Immunol, 2024, 15:1425670
S7951 Ochromycinone (STA-21) Ochromycinone (STA-21) is a selective STAT3 inhibitor.
Cell Rep, 2023, 42(2):112137
Neural Regen Res, 2023, 18(6):1325-1331
Biochem Pharmacol, 2021, 192:114688
S8561 HJC0152 HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility.
Cancer Discov, 2023, 13(7):1616-1635
Cancer Commun (Lond), 2023, 43(5):562-581
Cancer Commun (Lond), 2023, 43(5):562-581
S8197 APTSTAT3-9R APTSTAT3-9R is a specific STAT3-binding peptide with addition of a cell-penetrating motif. The treatment of APTSTAT3-9R in various types of cancer cells blocks STAT3 phosphorylation and reduces expression of STAT targets.
Hepatology, 2024, 10.1097/HEP.0000000000001003
Sci Rep, 2022, 12(1):7
Clin Transl Med, 2021, 11(2):e295
S0818 STAT3-IN-1 STAT3-IN-1 (compound 7d) is an excellent, selective and orally active inhibitor of STAT3 with IC50 of 1.82 μM and 2.14 μM in HT29 and MDA-MB 231 cells, respectively. STAT3-IN-1 induces apoptosis of tumor cells.
JCI Insight, 2023, 8(22)e164672
Front Cell Dev Biol, 2023, 11:1062229
Theranostics, 2022, 12(2):842-858
S0986 SC-1 SC-1 (1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(4-(4-cyanophenoxy)phenyl)urea, STAT3-IN-7), a Sorafenib analogue and potently inhibits the phosphorylation of STAT3, induces cell apoptosis through SHP-1 dependent STAT3 inactivation.
Int J Biol Sci, 2024, 20(6):2323-2338
Bone Joint Res, 2024, 13(4):137-148
Proc Natl Acad Sci U S A, 2021, 118(40)e2103623118
S3292 Falcarindiol Falcarindiol (FAD, (3R,8S)-Falcarindiol, FaDOH) is a natural polyacetylene compound found rich in many plants of the Umbelliferae family. Falcarindiol suppresses LPS-stimulated expression of inducible nitric oxide synthase (iNOS), tumor necrosis factor alpha (TNFα), interleukin-6 (IL-6), and interleukin-1 beta (IL-1β). Falcarindiol attenuates the LPS-induced activation of JNK, ERK, STAT1, and STAT3 signaling molecules.
Front Cell Infect Microbiol, 2023, 13:1128000
Front Pharmacol, 2021, 12:656697
S4358 Pimozide Pimozide (Orap, R6238) is an antagonist of Dopamine Receptors with Ki of 0.83 nM, 3.0 nM and 6600 nM for dopamine D3, D2 and D1 receptors, respectively. Pimozide also exhibits binding affinity at 5-HT1A and α1-adrenoceptor with Ki of 310 nM and 39 nM, respectively. Pimozide is an antipsychotic drug with anti-tumor activity and suppresses STAT3 and STAT5 activity.
Cell Rep Med, 2023, 10.1016/j.xcrm.2023.101286
Biol Pharm Bull, 2021, 10.1248/bpb.b21-00531
S6898 RCM-1 RCM-1 is a nontoxic inhibitor of Forkhead box M1 (FOXM1) that suppresses goblet cell metaplasia and prevents IL-13 and STAT6 signaling in allergen-exposed mice. RCM-1 decreases carcinogenesis and nuclear β-catenin.
J Mol Histol, 2024, 55(6):1259-1270
Front Immunol, 2022, 13:863034
S0981 BD750 BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively.
Bioengineered, 2022, 13(6):14616-14631
E1124 Narciclasine Narciclasine (Lycoricidinol), an isocarbostyril alkaloid narciclasine, targets STAT3 via distinct mechanisms in tamoxifen-resistant breast cancer cells. Narciclasine suppresses phosphorylation, activation, dimerization, and nuclear translocation of STAT3 by directly binding with the STAT3 SH2 domain and leads STAT3 degradation. Narciclasine is a plant growth modulator. Narciclasine modulates the Rho/Rho kinase/LIM kinase/cofilin signaling pathway, greatly increasing GTPase RhoA activity as well as inducing actin stress fiber formation in a RhoA-dependent manner.
Acta Biomater, 2024, S1742-7061(24)00036-9
POLYU ELECTRONIC THESES, 2023, viii, 164
S6919 Brevilin A Brevilin A (6-O-Angeloylplenolina), a sesquiterpene lactone isolated from Centipeda minima, is a selective inhibitor of STAT3 and attenuates the JAKs activity by blocking the JAKs tyrosine kinase domain JH1. Brevilin A induces apoptosis and autophagy of colon adenocarcinoma cell CT26 via mitochondrial pathway and PI3K/AKT/mTOR inactivation.
Front Pharmacol, 2022, 13:795613
S7923 SH5-07 (SH-5-07) SH5-07 is a robust hydroxamic acid-based STAT3 inhibitor, which induce antitumor cell effects in vitro and antitumor response in vivo against human glioma and breast cancer models.
Cell Rep, 2022, 39(12):110991
Cell Rep, 2022, 39(12):110991
S3810 Scutellarin Scutellarin (Breviscapine, Breviscapin, Scutellarein-7-glucuronide), the major active principal flavonoids extracted from the Chinese herbal medicines Scutellaria baicalensis and Erigeron breviscapus (Vant.) Hand-Mazz, has many pharmacological effects, such as antioxidant, antitumor, antiviral, and antiinflammatory activities. Scutellarin can down-regulates the STAT3/Girdin/Akt signaling in HCC cells, and inhibits RANKL-mediated MAPK and NF-κB signaling pathway in osteoclasts.
Biomed Pharmacother, 2022, 155:113781
S0915 Morusin Morusin (Mulberrochromene) is an inhibitor of NF-κB and STAT3. Morusin is a prenylated flavonoid isolated from Marsdenia australis with antitumor, antioxidant, and anti-bacteria properties.
S0918 Ginkgolic acid C17:1 Ginkgolic acid C17:1 (GAC 17:1) inhibits constitutive activation of STAT3 through the abrogation of upstream JAK2 and Src. Ginkgolic acid C17:1 can induce the substantial expression of PTEN and SHP-1. Ginkgolic acid C17:1 induces apoptosis of tumor cells.
S3267 Nicotiflorin (Kaempferol-3-O-rutinoside) Nicotiflorin (Kaempferol-3-O-rutinoside), a flavonoid extracted from Carthamus tinctorius, alters the shape and structure of injured neurons, decreases the number of apoptotic cells, down-regulates expression of p-JAK2, p-STAT3, caspase-3, and Bax and decreases Bax immunoredactivity, and increases Bcl-2 protein expression and immunoreactivity.
S5554 Lanatoside C Lanatoside C is a cardiac glycoside with antiviral and anti-tumor activity. Lanatoside C induces G2/M cell cycle arrest and induces autophagy and apoptosis via attenuating MAPK, Wnt, JAK-STAT, and PI3K/AKT/mTOR signaling pathways.
S8989 Xanthatin Xanthatin is a sesquiterpene lactone isolated from Xanthium strumarium leaves, which can inhibit the nuclear factor kappa-B (NF-κB), mitogen-activated protein kinase (MAPK) and signal transducer and activator of transcription (STATs) signaling pathways.
S0949 Cucurbitacin IIb Cucurbitacin IIb (CuIIb, Dihydrocucurbitacin F, 25-deacetyl hemslecin A) inhibits phosphorylation of STAT3, JNK and Erk1/2, enhances the phosphorylation of IκB and NF-κB, blocks nuclear translocation of NF-κB and decreases mRNA levels of IκBα and TNF-α. Cucurbitacin IIb exhibits anti-inflammatory activity and induces apoptosis. Cucurbitacin IIb is isolated from Hemsleya amabilis.
E0485 Stafia-1 Stafia-1 is the first STAT5a inhibitor that inhibits STAT5a (IC50=22.2 μM, Ki=10.9 μM) with at least 9‐fold selectivity over STAT5b and higher selectivity against other STAT family members.
Theranostics, 2024, 14(14):5698-5724
E2644 Tetramethylcurcumin Tetramethylcurcumin (FLLL31), a small-molecule signal transducer and activator of transcription 3 (STAT3) inhibitor derived from curcumin, binds selectively to Janus kinase 2 and the STAT3 Src homology-2 domain, which serve crucial roles in STAT3 dimerization and signal transduction.
E0011 Linderalactone Linderalactone inhibits human lung cancer growth by modulating the expression of apoptosis-related proteins (Bax and Bcl-2) with an IC50 of 15 µM in A-549 cells. Linderalactone induces G2/M cell cycle arrest and could also suppress the JAK/STAT signalling pathway. Linderalactone can be isolated from Radix linderae.
E0769 Ginsenoside Rh4 Ginsenoside Rh4 is an important active ingredient of traditional Chinese medicine ginseng, which has been shown to inhibit Wnt/β-Catenin, JAK2/STAT3, TGF-β/Smad2/3 and other signaling pathways.
S1349 SC99 SC99 is an orally active, selective STAT3 inhibitor targeting JAK2-STAT3 pathway by docking into the ATP-binding pocket of JAK2, also inhibits phosphorylation of JAK2and STAT3 with no effects on the other kinases associated with STAT3 signaling.
E0700 cucurbitacin E Cucurbitacin E (α-Elaterin; α-Elaterine), a tetracyclic triterpene derived from the climbing stem of Cucumic melo L, is an inhibitor of JAK2 and STAT3.
E2398 STAT5-IN-2 STAT5-IN-2 inhibits the growth of acute and chronic myeloid leukemia cells and the phosphorylation and transcriptional activity of STAT5, but not STAT3, AKT, or Erk1/2 phosphorylation, with minimal effects on bone marrow stromal cells that play vital functions in the microenvironment of hematopoietic and leukemic cells.
S0445 SC-43 SC-43, a sorafenib derivative, is an agonist of Src-homology protein tyrosine phosphatase-1 (SHP-1/PTPN6) and reduces liver fibrosis. SC-43 reduces p-STAT3 and induces apoptosis with anti-tumor activity.
S8152 Cucurbitacin I Cucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3.
S0456 inS3-54-A18 inS3-54A18 is a potent inhibitor of STAT3 with anti-cancer properties.
S9920 GYY4137 GYY4137 is a novel, water-soluble hydrogen sulfide (H2S)–releasing molecule with vasodilator and antihypertensive activity. GYY4137 shows potent anti-hepatocellular carcinoma activity through blocking the STAT3 pathway. GYY4137 also shows anti-inflammatory activity.
S9664 Colivelin Colivelin (CLN) is a brain-penetrant neuroprotective peptide with potent long-term capacity against deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin is an activator of STAT3.
Commun Biol, 2024, 7(1):999
Heliyon, 2024, 10(9):e30445
Research Square, 2024, 10.21203/rs.3.rs-3840462/v1
S3745 Balsalazide disodium Balsalazide Disodium is the disodium salt form of balsalazide, an aminosalicylate and oral prodrug that is enzymatically cleaved in the colon to produce the anti-inflammatory agent mesalazine. Balsalazide Disodium suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.
Front Microbiol, 2020, 10:2936
S4842 Balsalazide Balsalazide (Colazal, Giazo), an aminosalicylate and oral prodrug, is enzymatically cleaved in the colon to produce the anti-inflammatory agent mesalazine. Balsalazide suppress colitis-associated carcinogenesis through modulation of IL-6/STAT3 pathway.

STAT阻害剤の選択性比較

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