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在色谱分析、有机合成和交叉偶联反应领域已被 0 篇同行评审文献引用。
MTI-31 (LXI-15029) is a potent, orally active and highly selective inhibitor of mTORC1 and mTORC2 . MTI-31 is selective for mTOR ( K d : 0.20 nM) versus PIK3CA, PIK3CB and PIK3G with >5,000 fold selectivity in mTOR binding assays. MTI-31 shows an IC 50 of 39 nM for mTOR in LANCE assay of mTOR substrate phosphorylation with 100 μM ATP. MTI-31 can be used for the research of breast cancer
In Vitro
MTI-31 acts as a potent and selective inhibitor of mTOR enzymatic activity capable of targeting both mTORC1 and mTORC2 functions in cancer cells. MTI-31 (0.01-100 μM) elicits a potent and more substantial inhibition of cell growth than that of Rapamycin. Treatment with MTI-31 for 6 h demonstrates a dose-dependent inhibition of both the mTORC1 substrates P-S6K1(T389), P-S6(S235/6), P-4EBP1(T70) and mTORC2 substrate P-AKT(S473), achieving 50% inhibition at ≤0.12 μM in three representative tumor cell lines harboring mTOR pathway dysregulation (786-O renal, U87MG glioma and MDA-MB-453 breast). MTI-31-induced apoptosis requires mTORC2-regulated Bim- and GSK3 activity. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Cell Proliferation AssayCell Line: MDA-MB-453 cells Concentration: 0.01, 0.1, 1, 10, 100 μM Incubation Time: 3 days Result: Significantly inhibited cellular proliferation after treatment for 3 days. Western Blot AnalysisCell Line: 786-O renal, U87MG glioma and MDA-MB-453 breast cells Concentration: 0.12, 0.37, 1.11, 3.33, 10 μM Incubation Time: 6 hours Result: Demonstrated a dose-dependent inhibition of both the mTORC1 substrates P-S6K1(T389), P-S6(S235/6), P-4EBP1(T70) and mTORC2 substrate P-AKT(S473).
In Vivo
MTI-31 is a potent mTOR inhibitor in vivo and elicits strong antitumor efficacy. MTI-31(5-40 mg/kg; orally) is efficacious in several tumor models harboring HER2+/PIK3CAmut and/or PTEN-deficiency exemplified by MDA-MB-453 and 786-O . Treatment of tumor bearing nude mice with orally administered MTI-31 inhibits growth of H1975 tumors (25 mg/kg/d; orally) or U87MG tumors (30 mg/kg/d; orally). MCE has not independently confirmed the accuracy of these methods. They are for reference only. Animal Model: Female nude mice bearing tumors of MDA-MB-453, 786-O or HCC1806 Dosage: 2.5, 5, 10, 20, 40 mg/kg for MDA-MB-453 and 786-O; 20 and 40 mg/kg for HCC1806 Administration: Treated orally via a once daily (qd) regimen Result: Was efficacious in several tumor models harboring HER2+/PIK3CAmut and/or PTEN-deficiency exemplified by MDA-MB-453 and 786-O. Demonstrated a dose proportional tumor growth inhibition (TGI) with a minimum efficacious dose (MED) of 5 mg/kg (>50% TGI, p<0.01) and a maximum tolerated dose (MTD) of 40 mg/kg (7-15% body weight loss without mortality). In contrast, had limited efficacy in the HER2-/PIK3CAwt HCC1806 breast tumor model even at the highest 40 mg/kg.
Form:Solid
IC50& Target:mTOR 0.2 nM (Ki) mTOR 39 nM (IC 50 , 100 μM ATP) mTORC1 mTORC2
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机杂环化合物 |
| 类(Class) | 吡啶并嘧啶 |
| 亚类(Subclass) | 吡啶并[2,3-d]嘧啶 |
| 中间层级节点(Intermediate Tree Nodes) | 暂无 |
| 直接上位类(Direct Parent) | 吡啶并[2,3-d]嘧啶 |
| 其他上位类(Alternative Parents) | 苯甲酰胺类 二烷基芳胺 苯甲酰衍生物 氧杂环己烷 甲基吡啶 氨基嘧啶及其衍生物 N-酰胺 吗啉 咪唑内酰胺类 吡咯烷 杂芳族化合物 氨基酸及其衍生物 氧环化合物 二烷基醚 羧酸酰胺 氮杂环化合物 有机光子化合物 有机氧化物 碳氢化合物衍生物 |
| 分子骨架(Molecular Framework) | 芳香族杂多环化合物 |
| 取代基(Substituents) | 氨基酸 - 氨基酸或其衍生物 - 氨基吡啶 - 芳香族杂多环化合物 - 氮杂环 - 苯甲酰胺 - 苯基化合物 - 苯甲酸或衍生物 - 苯甲酰 - 羧酰胺基 - 羧酸衍生物 - 二烷基醚 - 二烷基芳基胺 - 乙醚 - 杂芳香族化合物 - 烃衍生物 - 咪唑内酰胺 - 甲基吡啶 - 单环苯基基团 - Morpholine - N-酰胺基胺 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机氮化合物 - 有机氧化合物 - 有机氮化合物 - 氧杂环 - 氧杂吡嗪烷 - 氧杂环戊烷 - 吡啶 - 吡啶并[2,3-d]嘧啶 - 嘧啶 - 吡咯烷 - 三级脂肪族/芳香族胺 - 三芳基胺 |
| 描述(Description) | 该化合物属于吡啶[2,3-d]嘧啶类有机化合物。这类化合物含有吡啶[2,3-d]嘧啶环系,即三环氮原子位于1-,3-及8-位的吡啶嘧啶异构体。 |
| 外部描述符(External Descriptors) | 暂无 |