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Zunsemetinib (CDD-450) is an orally active and selective p38α mitogen-activated protein kinase-activated protein kinase 2 (MK2) pathway inhibitor.
Zunsemetinib (0.4 nM~1 μM; 16 hours; PBMC) reduces IL-1β secretion and promotes IL-1β mRNA instability. Zunsemetinib selectively blocks p38α MAPK activation of the proinflammatory kinase MK2 while sparing p38α activation of other effectors such as PRAK and ATF2. Zunsemetinib inhibits in vitro osteoclast formation induced by RANKL.
In vivo, Zunsemetinib (1,000 ppm; p.o.) blocks LPS-induced TNF-α expression persisted for up to 4 weeks after dosing.
| Cell Experiment | |
|---|---|
| Cell lines | Pa01c cells |
| Preparation method | Pa01c cells expressing empty vector or Flag-tagged Hsp27 were treated with SN-38, ATI-450, or the combination, and harvested for immunoprecipitation using anti-Flag antibody to discern the impact of MK2 on binding between Hsp27 and BAG3. |
| Concentrations | 2 μM |
| Incubation time | 24 h |
| Animal Experiment | |
|---|---|
| Animal models | Cre-ER 5Amc/J mice |
| Formulation | DMSO |
| Dosages | 1,000 ppm (1000 mg/kg chow) |
| Administration | Oral |
| Molecular Weight | 513.92 |
| Formula | C25H22ClF2N5O3 |
| CAS Number | 1640282-42-3 |
| Solubility (25°C) | DMSO 90 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related p38 MAPK Products |
|---|
| BIRB796
BIRB 796 (Doramapimod) is a protein kinase inhibitor of p38 MAPK with Kd of 100pM. |
| Selonsertib
GS-4997 is a highly selective and potent once-daily oral ASK1 inhibitor with potential anti-inflammatory, antineoplastic and anti-fibrotic activities. |
| Adezmapimod
Adezmapimod (SB203580) is a P38 MAPK inhibitor with an IC50 of 0.3-0.5 μM, which is 10 times less selective than SAPK3(106T) and SAPK4(106T), and inhibits PKB phosphorylation with an IC50 of 3-5 μM. |
| SB 202190
SB 202190 is a highly selective, potent and cell permeable inhibitor of p38 MAP kinase with IC50 values of 50 and 100 nM inhibiting p38α and p38β, respectively. |
| PH-797804
PH-797804 is a highly selective and potent inhibitor of p38 MAP kinase with IC50 of 26 nM. |
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