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Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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SKU | Size | Availability | Price | Qty |
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C408350-1ml | 1ml | Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding. | $64.90 |
STAT3 Selective Inhibitors | Activators
Specifications & Purity | 10mM in DMSO |
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Storage Temp | Store at -80°C |
Shipped In | Ice chest + Ice pads |
Product Description | Information Cryptotanshinone is aSTAT3inhibitor withIC50of 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-dependentautophagyand mitoch Cryptotanshinone, a natural compound isolated from the roots of Salvia miltiorrhiza Bunge (Danshen), significantly inhibits STAT3-dependent luciferase activity, the STAT3 Tyr705 phosphorylation and the dimerization of STAT3, compared to tanshinone IIA which exhibits no activity. Cryptotanshinone (7 μM) dramatically blocks STAT3 Tyr705 phosphorylation but not STAT3 Ser727 phosphorylation in DU145 cells, and significantly inhibits JAK2 phosphorylation with IC50 of ~5 μM without affecting the phosphorylation of upstream kinases c-Src and EGFR, suggesting the inhibition of STAT3 Tyr705 phosphorylation might due to a direct mechanism probably by binding to the SH2 domain of STAT3. Cryptotanshinone significantly inhibits the proliferation of DU145 prostate cancer cells harboring constitutively active STAT3 with GI50 of 7 μM by blocking STAT3 activity, which leads to the down-regulation of cyclin D1, Bcl-xL, and survivin, subsequently the accumulation in the G0-G1 phase. Cryptotanshinone exhibits less growth inhibitory effect on PC3, LNCaP and MDA-MB-468 cells. In vivo Cryptotanshinone administration significantly reduces the body weight and food intake of ob/ob mice (C57BL/6J-Lepob) and diet-induced obese (DIO) mice in a dose-dependent manner. Cryptotanshinone causes noticeably less fat in the adipose tissues, significant reductions of serum triglycerides and cholesterol levels, and 2.5- to 3-fold higher AMPK activity of the skeletal muscles than in the control mice. Oral administration of Cryptotanshinone at 600 mg/kg/day produces dramatic reductions in blood glucose levels of ob/ob mice (C57BL/6J-Lepob), db/db mice (C57BL/KsJ-Leprdb), and ZDF rats, which occur after 3 days and persist over the entirety of the monitoring period. cell lines: Concentrations:Dissolved in DMSO, final concentrations ~50 μM Incubation Time:24 or 48 hours Powder Purity:≥98% |
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Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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Canonical SMILES | CC1COC2=C1C(=O)C(=O)C3=C4CCCC(C)(C)C4=CC=C23 |
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Molecular Weight | 296.36 |
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Solubility | Solubility (25°C) In vitro DMSO: 62 mg/mL (199.15 mM); Ethanol: 62 mg/mL (199.15 mM); Water: Insoluble; |
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