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Buparlisib Hydrochloride (BKM120 Hydrochloride) is a pan-class I PI3K inhibitor, with IC 50 of 52 nM/166 nM/116 nM/262 nM for p110α / p110β / p110δ / p110γ , respectively.
In Vitro
Buparlisib (BKM120) exhibits 50-300 nM activity for class I PI3K’s, including the most common p110α mutants. Additionally, NVP-BKM120 exhibits lower potency against class III and class IV PI3K's, where 2, 5, >5, and >25 μM biochemical activity is observed for inhibition of VPS34, mTOR, DNAPK, and PI4K, respectively. Buparlisib (BKM120) induces multiple myeloma (MM) cell apoptosis in both dose- and time-dependent manners. Buparlisib (BKM120) at concentrations ≥10 μM induces significant apoptosis in all tested MM cell lines at 24 h (P<0.05, compares with control). Therefore, 10 μM Buparlisib (BKM120) and 24-h treatment are chose in in the following experiments if not stated otherwise. Buparlisib (BKM120) treatment results in a dose-dependent growth inhibition in all tested MM cell lines. Buparlisib (BKM120) IC 50 varies among tested MM cells. At 24 h treatment, IC 50 for ARP-1, ARK, and MM.1R is between 1 and 10 μM, while IC 50 for MM.1S is <1 μM, and IC 50 for U266 is between 10 and 100 μM. In summary, Buparlisib (BKM120) treatment results in MM cell growth inhibition and apoptosis in dose- and time-dependent manners. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
In A2780 xenograft tumors, oral dosing of Buparlisib (BKM120) at 3, 10, 30, 60, and 100 mg/kg results in a dose dependent modulation of pAKT Ser473 . Partial inhibition of pAKT Ser473 is observed at 3 and 10 mg/kg, and near complete inhibition is observed at doses of 30, 60, or 100 mg/kg, respectively. Inhibition of pAKT (normalized to total AKT) tracked well with both plasma and tumor drug exposure . Mice receiving Buparlisib (BKM120) (5 μM per kg per day for 15 days) treatment has significantly smaller tumor burdens as compare with control mice, which are measured as tumor volume (P<0.05) and level of circulating human kappa chain (P<0.05). In addition, Buparlisib (BKM120) treatment significantly prolongs the survival of tumor-bearing mice (P<0.05). MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Animal administration
Mice Six- to eight-week-old female severe combined immunodeficiency (SCID) mice are used. SCID mice are subcutaneously inoculated in the right flank with 1 million ARP-1 or MM.1S cells suspended in 50 μL phosphate-buffered saline (PBS). After palpable tumor developed (tumor diameter ≥5 mm), mice are treated with intraperitoneal injection of DMSO/PBS or Buparlisib (BKM120) (5 μM per kg per day) for 15 days. Tumor sizes are measured every 5 days, and blood samples are collected at the same period. Tumor burdens are evaluated by measuring tumor size and detecting circulating human kappa chain or lambda chain. aladdin has not independently confirmed the accuracy of these methods. They are for reference only.
Form:Solid
IC50& Target:p110α 52 nM (IC 50 ) p110α-H1047R 58 nM (IC 50 ) p110α-E545K 99 nM (IC 50 ) p110δ 116 nM (IC 50 ) p110β 166 nM (IC 50 ) p110γ 262 nM (IC 50 ) Vps34 2.4 μM (IC 50 ) mTOR 4.6 μM (IC 50 )
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 二嗪类 |
| 亚类(Subclass) | 嘧啶和嘧啶衍生物 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 吡啶基嘧啶 |
| 其他上位类(Alternative Parents) | 二烷基芳胺 氨基嘧啶及其衍生物 氨基吡啶及其衍生物 吗啉 咪唑内酰胺类 杂芳族化合物 氧环化合物 二烷基醚 氮杂环化合物 伯胺 有机氟化物 盐酸盐 碳氢化合物衍生物 烷基氟化物 |
| 分子骨架(Molecular Framework) | 芳香族杂单环化合物 |
| 取代基(Substituents) | 氟化烷基 - 烷基溴化物 - 氨基酸 - 氨基吡啶 - 氨基吡啶 - 芳香族杂单环化合物 - 氮杂环 - 二烷基醚 - 二烷基芳基胺 - 乙醚 - 杂芳香族化合物 - 烃衍生物 - 氟氯烃 - 咪唑内酰胺 - Morpholine - 有机硝基化合物 - 有机氧化合物 - 有机氟化物 - 有机卤化物 - 有机氮化合物 - 有机氧化合物 - 氧杂环 - 氧杂吡嗪烷 - 初级胺 - 吡啶 - 吡啶基嘧啶 - 三芳基胺 |
| 描述(Description) | 该化合物属于吡啶嘧啶类有机化合物。这类化合物具有吡啶嘧啶骨架,即吡啶通过键与嘧啶相连(非共环)。 |
| 外部描述符(External Descriptors) | 暂无 |