C188-9 is a small-molecule STAT3 inhibitor, can block Th2 and Th17 cell expansion and cytokine production to prevent house dust mite (HDM)-induced airway inflammation and remodeling. C188-9 showed antitumor activity in vitro in three hepatocellular carcinoma cell lines.
In mice with hepatocyte-specific deletion of Pten (HepPten- mice), C188-9 treatment blocked hepatocellular carcinoma tumor growth, reduced tumor development, and reduced liver steatosis, inflammation, and bile ductular reactions, resulting in improvement of the pathological lesions of NASH. Remarkably, C188-9 also greatly reduced liver injury in these mice as measured by serum aspartate aminotransferase and alanine transaminase levels.
Analysis of gene expression showed that C188-9 treatment of HepPten- mice resulted in inhibition of signaling pathways downstream of STAT3, STAT1, TREM-1, and Toll-like receptors. In contrast, C188-9 treatment increased liver specification and differentiation gene pathways.
| Molecular Weight | 471.52 |
| Formula | C27H21NO5S |
| CAS Number | 432001-19-9 |
| Solubility (25°C) | DMSO ≥ 40 mg/mL |
| Storage | 2-8°C, dry, protect from light, sealed |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related STAT Products |
|---|
| STAT3-IN-21, cell-permeable, negative control
STAT3-IN-21, cell-permeable, negative control, a peptide, is a negative control for Stat3 activity detection. |
| STAT3-IN-24, cell-permeable
STAT3-IN-24, cell-permeable (PpYLKTK-mts) is a STAT3 peptide inhibitor. |
| 5-FAM-GpYLPQTV-NH2
5-FAM-GpYLPQTV-NH2 is a fluorescently labeled peptide and has STAT3 inhibitory activity. |
| Ac-GpYLPQTV-NH2
Ac-GpYLPQTV-NH2 is a STAT3 inhibitor with an IC50 value of 0.33 μM. |
| XZH-5
XZH-5 inhibits the phosphorylation of STAT3 and results in the induction of apoptosis and reduction of colony forming ability. |
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