STAT

Inhibitory Selectivity

Isoform-specific Inhibitors

STAT Products

New STAT Products
Catalog No. Information Product Use Citations Product Validations
S1155

S3I-201

S3I-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.

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.

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.

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.

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.

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

Kaempferol-3-O-rutinoside

Kaempferol-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 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.

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.

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.

S8685

AS1517499

AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM.

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.

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.

S2285

Cryptotanshinone

Cryptotanshinone 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.

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

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.

S8561

HJC0152

HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility.

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.

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.

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.

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.

S6784

STAT5-IN-1

STAT5-IN-1 is a potent and selective STAT5 inhibitor with IC50 of 47 μM for STAT5β isoform.

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.

S4842New

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.

Catalog No. Information Product Use Citations Product Validations
S1155

S3I-201

S3I-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.

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.

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.

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.

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.

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

Kaempferol-3-O-rutinoside

Kaempferol-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 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.

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.

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.

S8685

AS1517499

AS1517499 is a novel and potent STAT6 inhibitor with an IC50 value of 21 nM.

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.

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.

S2285

Cryptotanshinone

Cryptotanshinone 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.

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

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.

S8561

HJC0152

HJC0152 is a signal transducer and activator of transcription 3 (STAT3) inhibitor with remarkably improved aqueous solubility.

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.

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.

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.

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.

S6784

STAT5-IN-1

STAT5-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

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.

Catalog No. Information Product Use Citations Product Validations
S4842New

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.