STAT
Inhibitory Selectivity
Isoform-specific Inhibitors
STAT Products
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S1155 |
S3I-201S3I-201 (NSC 74859) shows potent inhibition of STAT3 DNA-binding activity with IC50 of 86 μM in cell-free assays, and low activity towards STAT1 and STAT5. |
The inhibitors U0126, PP1 and S3I-201 reduce the colony-forming ability of KIF5B-RET positive cells. A549 cells carrying KIF5B-RET were diluted and seeded in 6-well plates, treated with DMSO, U0126 (MEK inhibitor) 10 uM, PP1 (SRC inhibitors) 5 uM or S3I-201(STAT3 inhibitors) 100 uM for 14 days. The total numbers of colonies, each containing more than 40 cells, were determined. (*P < 0.05, **P < 0.01, ***P < 0.001, Student's t test).
|
|
| S2796 |
WP1066WP1066 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. |
Effects of selective STAT3 inhibitors on adherent glioma CSCs. Cells were treated with WP1066 (50 uM for 2 h) or vehicle, and colocalization of STAT3 and p65 was determined by immunostaining.
|
|
| S7024 |
StatticStattic, 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. |
Western blot analysis of p-STAT3, total STAT3, ABCA1 and ABCG1 levels in cells pretreated with DMSO or Stattic (10 uM) for 1 hr before and during stimulation with rDKK1 in cells transfected with STAT3 siRNA or negative control, and rDKK1 added into the supernatant.
|
|
| S2824 |
TPCA-1TPCA-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. |
AGS cells were treated with cwith IL-1β in the presence of the IKK inhibitor TPCA-1, the p38 MAPK inhibitor BIX02188 and the JNK inhibitor SP600125. Cell lysates were obtained 24 h after IL-1β treatment and immunoblotted with PTEN antibodies. |
|
| S7337 |
SH-4-54SH-4-54 is a potent STAT inhibitor with KD of 300 nM and 464 nM for STAT3 and STAT5, respectively. |
Expression of indicated proteins in PRL-stimulated INS-1 cells without (control, white bars) or with (black bars) STAT inhibitor (SH-4-54).
|
|
| E2398New |
STAT5-IN-2STAT5-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. |
||
| E1124New |
NarciclasineNarciclasine (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. |
||
| S9920New |
GYY4137GYY4137 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. |
||
| S8152New |
Cucurbitacin ICucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3. |
||
| S0918 |
Ginkgolic acid C17:1Ginkgolic 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 |
Kaempferol-3-O-rutinosideKaempferol-3-O-rutinoside (Nicotiflorin, Nikotoflorin, Kaempferol 3-O-β-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. |
||
| S0949 |
Cucurbitacin IIbCucurbitacin 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. |
||
| S0818 |
STAT3-IN-1STAT3-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. |
||
| S6898 |
RCM-1RCM-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. |
||
| S8685 |
AS1517499AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM. |
||
| S0981 |
BD750BD750 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. |
||
| S7769 |
BP-1-102BP-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. |
WT and 4E-BP1/2 DKO cells were treated for 4 h with 10 ng/ml LPS with or without 2 μM BP-1-102 (A) and relative amounts of Nfil3 and sIl1ra mRNAs were quantified using RT-qPCR (normalized to Rpl19).
|
|
| S2285 |
CryptotanshinoneCryptotanshinone 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. |
(a) Effect on STAT3 DNA binding activity of the STAT3 inhibitors cryptotanshinone (CTN) and S31-201 in STAT3 mutant cell lines OCI-Ly12 and OCI-Ly13.2. (b) Effect on cell viability at 48 h of the STAT3 inhibitors cryptotanshinone and S31-201 in OCI-Ly12 and OCI-Ly13.2 cells.
|
|
| S6919 |
Brevilin ABrevilin 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. |
||
| 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. |
||
| S7951 |
Ochromycinone (STA-21)Ochromycinone (STA-21) is a selective STAT3 inhibitor. |
||
| S3292 |
FalcarindiolFalcarindiol (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. |
||
| S8561 |
HJC0152HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility. |
||
| S8197 |
APTSTAT3-9RAPTSTAT3-9R 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. |
||
| S0445 |
SC-43SC-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. |
||
| S8605 |
C188-9C188-9 (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. |
(E) Hep3B cells were pre-infected with flag-CEP55 for 24 h and were then infected with 10 nM JAK2 inhibitor XL019 or 10 nM STAT3 inhibitor C188-9 for 48 h. Cells’ invasion ability was determined by trans-well assays. Representative microscope images are plotted. Bars, 50 μm;
|
|
| S7501 |
HO-3867HO-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. |
Cell apoptosis as measured by TUNEL. Representative sections as determined at 12 hours after reperfusion (3100 magnification). Apoptotic nuclei were stained red, and the software of Image J was used to analyse quantity of TUNEL-positive cells in the livers. Scale bars5100 lm. *P<0.05, **P<0.01, ***P<0.001 compared with IR group.
|
|
| S6784 |
STAT5-IN-1STAT5-IN-1 is a potent and selective STAT5 inhibitor with IC50 of 47 μM for STAT5β isoform. |
||
| S9664 |
ColivelinColivelin (CLN) is a brain-penetrant neuroprotective peptide with potent long-term capacity against Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin is an activator of STAT3. |
||
| S4842 |
BalsalazideBalsalazide (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. |
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S1155 |
S3I-201S3I-201 (NSC 74859) shows potent inhibition of STAT3 DNA-binding activity with IC50 of 86 μM in cell-free assays, and low activity towards STAT1 and STAT5. |
The inhibitors U0126, PP1 and S3I-201 reduce the colony-forming ability of KIF5B-RET positive cells. A549 cells carrying KIF5B-RET were diluted and seeded in 6-well plates, treated with DMSO, U0126 (MEK inhibitor) 10 uM, PP1 (SRC inhibitors) 5 uM or S3I-201(STAT3 inhibitors) 100 uM for 14 days. The total numbers of colonies, each containing more than 40 cells, were determined. (*P < 0.05, **P < 0.01, ***P < 0.001, Student's t test).
|
|
| S2796 |
WP1066WP1066 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. |
Effects of selective STAT3 inhibitors on adherent glioma CSCs. Cells were treated with WP1066 (50 uM for 2 h) or vehicle, and colocalization of STAT3 and p65 was determined by immunostaining.
|
|
| S7024 |
StatticStattic, 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. |
Western blot analysis of p-STAT3, total STAT3, ABCA1 and ABCG1 levels in cells pretreated with DMSO or Stattic (10 uM) for 1 hr before and during stimulation with rDKK1 in cells transfected with STAT3 siRNA or negative control, and rDKK1 added into the supernatant.
|
|
| S2824 |
TPCA-1TPCA-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. |
AGS cells were treated with cwith IL-1β in the presence of the IKK inhibitor TPCA-1, the p38 MAPK inhibitor BIX02188 and the JNK inhibitor SP600125. Cell lysates were obtained 24 h after IL-1β treatment and immunoblotted with PTEN antibodies. |
|
| S7337 |
SH-4-54SH-4-54 is a potent STAT inhibitor with KD of 300 nM and 464 nM for STAT3 and STAT5, respectively. |
Expression of indicated proteins in PRL-stimulated INS-1 cells without (control, white bars) or with (black bars) STAT inhibitor (SH-4-54).
|
|
| E2398New |
STAT5-IN-2STAT5-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. |
||
| E1124New |
NarciclasineNarciclasine (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. |
||
| S9920New |
GYY4137GYY4137 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. |
||
| S8152New |
Cucurbitacin ICucurbitacin-I (Elatericin B, JSI 124, NSC 521777), a natural cell-permeable triterpenoid isolated from Cucurbitaceae, is a novel selective inhibitor of JAK2/STAT3. |
||
| S0918 |
Ginkgolic acid C17:1Ginkgolic 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 |
Kaempferol-3-O-rutinosideKaempferol-3-O-rutinoside (Nicotiflorin, Nikotoflorin, Kaempferol 3-O-β-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. |
||
| S0949 |
Cucurbitacin IIbCucurbitacin 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. |
||
| S0818 |
STAT3-IN-1STAT3-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. |
||
| S6898 |
RCM-1RCM-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. |
||
| S8685 |
AS1517499AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM. |
||
| S0981 |
BD750BD750 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. |
||
| S7769 |
BP-1-102BP-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. |
WT and 4E-BP1/2 DKO cells were treated for 4 h with 10 ng/ml LPS with or without 2 μM BP-1-102 (A) and relative amounts of Nfil3 and sIl1ra mRNAs were quantified using RT-qPCR (normalized to Rpl19).
|
|
| S2285 |
CryptotanshinoneCryptotanshinone 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. |
(a) Effect on STAT3 DNA binding activity of the STAT3 inhibitors cryptotanshinone (CTN) and S31-201 in STAT3 mutant cell lines OCI-Ly12 and OCI-Ly13.2. (b) Effect on cell viability at 48 h of the STAT3 inhibitors cryptotanshinone and S31-201 in OCI-Ly12 and OCI-Ly13.2 cells.
|
|
| S6919 |
Brevilin ABrevilin 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. |
||
| 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. |
||
| S7951 |
Ochromycinone (STA-21)Ochromycinone (STA-21) is a selective STAT3 inhibitor. |
||
| S3292 |
FalcarindiolFalcarindiol (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. |
||
| S8561 |
HJC0152HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility. |
||
| S8197 |
APTSTAT3-9RAPTSTAT3-9R 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. |
||
| S0445 |
SC-43SC-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. |
||
| S8605 |
C188-9C188-9 (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. |
(E) Hep3B cells were pre-infected with flag-CEP55 for 24 h and were then infected with 10 nM JAK2 inhibitor XL019 or 10 nM STAT3 inhibitor C188-9 for 48 h. Cells’ invasion ability was determined by trans-well assays. Representative microscope images are plotted. Bars, 50 μm;
|
|
| S7501 |
HO-3867HO-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. |
Cell apoptosis as measured by TUNEL. Representative sections as determined at 12 hours after reperfusion (3100 magnification). Apoptotic nuclei were stained red, and the software of Image J was used to analyse quantity of TUNEL-positive cells in the livers. Scale bars5100 lm. *P<0.05, **P<0.01, ***P<0.001 compared with IR group.
|
|
| S6784 |
STAT5-IN-1STAT5-IN-1 is a potent and selective STAT5 inhibitor with IC50 of 47 μM for STAT5β isoform. |
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S9664 |
ColivelinColivelin (CLN) is a brain-penetrant neuroprotective peptide with potent long-term capacity against Aβ deposition, neuronal apoptosis, and synaptic plasticity deficits in neurodegenerative disease. Colivelin is an activator of STAT3. |
| Catalog No. | Information | Product Use Citations | Product Validations |
|---|---|---|---|
| S4842 |
BalsalazideBalsalazide (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. |
