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Ertiprotafib

CAS No. : 251303-04-5

MCE 站：Ertiprotafib

产品活性：Ertiprotafib 是 PTP1B， IKK-β 的抑制剂，其 IC₅₀ 值分别是 1.6 μM，400 nM，同时也是PPARα/PPARβ 的激动剂，其 EC₅₀ 值为 ~1 μM。

研究领域：Metabolic Enzyme/Protease  |  NF-κB  |  Cell Cycle/DNA Damage

作用靶点：Phosphatase  |  IKK  |  PPAR

In Vitro: Ertiprotafib is a potent inhibitor of IKK-β, with an IC₅₀ value of 400±40 nM, which is much lower than that required for the half-maximal inhibition of the p-nitrophenyl phosphatase activity of PTP1B. The reported IC₅₀ value of Ertiprotafib against PTP1B ranges from 1.6 to 29 μM depending on the assay conditions. Ertiprotafib is at least a dual PPARα and PPARβ agonist with EC₅₀ values for transactivation of 1 μM. Such activities readily explain the observations with suprapharmacologic doses of these.

In Vivo: As seen with treatment of ob/ob mice, both Ertiprotafib and compound 3 seem to significantly improve glucose metabolism in rats. At 25 mg/kg/day, these compounds decrease both fasting blood glucose and insulin levels compared with vehicle treated rats. Furthermore, both Ertiprotafib and compound 3 increase glucose disposal after an oral challenge. It is noteworthy that lipid levels are also reduced in treated animals. Both triglyceride and free fatty acid levels are substantially reduced in rats treated with 25 mg/kg/day of either compound. To summarize, both Ertiprotafib and compound 3 seem to be robust agents in improving glucose utilization in fa/fa rats while also decreasing lipid levels in these animals. Decreased lipid levels may be unexpected for a pure PTP1b inhibitor. It is more telling, as mentioned above, that rats treated with suprapharmacologic doses of Ertiprotafib show signs of PPAR family activation.

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