Capivasertib

MCE 国际站：Capivasertib

产品活性：Capivasertib (AZD5363) 是一种口服有效的 pan-AKT 激酶抑制剂，抑制 Akt1，Akt2 和 Akt3，IC₅₀ 分别为 3，7 和 7 nM。

In Vitro: Capivasertib, a novel pyrrolopyrimidine-derived compound, inhibits all AKT isoforms with a potency of 10 nM or less. Capivasertib inhibits phosphorylation of these substrates with an IC₅₀ value of 0.06 to 0.76 μM in the 3 cell lines. Capivasertib effectively inhibits phosphorylation of S6 and 4E-BP1 in these cell lines, whereas it increases phosphorylation of AKT at both ser⁴⁷³ and thr³⁰⁸. In BT474c cells, Capivasertib induces FOXO3a nuclear translocation with EC₅₀ value of 0.69 μM; a concentration of 3 μM is sufficient to almost completely localize FOXO3a to the nucleus. AZD5363Capivasertibhibitor MK-2206 is much less active (IC₅₀>30 μM).

In Vivo: Oral dosing of Capivasertib (AZD5363) to nude mice causes dose- and time-dependent reduction of PRAS40, GSK3β, and S6 phosphorylation in BT474c xenografts (PRAS40 phosphorylation EC₅₀ ~0.1 μM total plasma exposure), reversible increases in blood glucose concentrations, and dose-dependent decreases in 2[¹⁸F]fluoro-2-deoxy-D-glucose (¹⁸F-FDG) uptake in U87-MG xenografts. Chronic oral dosing of Capivasertib caused dose-dependent growth inhibition of xenografts derived from various tumor types, including HER2⁺ breast cancer models. Capivasertib also significantly enhances the antitumor activity of RP-56976 and GW572016 in breast cancer xenografts.

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