Idelalisib (CAL-101)是选择性p110δ抑制剂，在无细胞试验中IC50为 2.5 nM；对 p110δ 表现出的选择性是对 p110α/β/γ 的 40 到 300 倍，对p110δ的选择性是对 C2β，hVPS34，DNA-PK 和 mTOR的400到4000倍。Idelalisib 还可诱导自噬。
| CAS No. | 870281-82-6 |
| 生物活性 | Idelalisib (CAL-101; GS-1101) is a highly selective and orally bioavailable p110δ inhibitor with an IC50 of 2.5 nM, showing 40- to 300-fold selectivity for p110δ over other PI3K class I enzymes. |
| 分子式 | C22H18FN7O |
| 分子量 | 415.42 |
| 储存条件 | Powder -20℃ 3 years |
| 溶解性数据 | DMSO : ≥ 59.7 mg/mL (143.71 mM) |
| 体内研究 | A significant reduction is observed in the CD11bLy6G neutrophils from brain homogenates of bothp110δ mice and Idelalisib (CAL-101) (40 mg/kg, i.v.) post-treated mice. |
| 体外研究 | Idelalisib (CAL-101; GS-1101) is a highly selective and potent p110δ inhibitor (EC50=8 nM). Greater selectivity (400- to 4000-fold) is seen against related kinases C2β, hVPS34, DNA-PK, and mTOR, whereas no activity is observed against a panel of 402 diverse kinases at 10 μM. CAL-101 reduces PDGF-induced pAkt by only 25% at 10 μM. Idelalisib (CAL-101) inhibits LPA-induced pAkt with an EC50 of 1.9 μM. Idelalisib (CAL-101) blocks FcϵRI p110δ-mediated CD63 expression with an EC50 of 8 nM, whereas formyl-methionyl-leucyl-phenylalanine activation of p110γ is inhibited with an EC50 of 3 μM. Thus, in cell-based assays, CAL-101 has 240- to 2500-fold selectivity for p110δ over the other class I PI3K isoforms. CAL-101Idelalisib (CAL-101)-induced apoptosis of chronic lymphocytic leukemia (CLL) cells is significant compare with vehicle treatment alone (P<0.001). Idelalisib (CAL-101) induces selective cytotoxicity in CLL cells independent of IgVH mutational status or interphase cytogenetics. |
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| 纯度及产品资料 | 98% |
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