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Lorlatinib (PF-6463922) 是一种具有口服活性,选择性,脑渗透性和 ATP 竞争性的ROS1/ALK 抑制剂,具有抗癌活性。它对 ROS1、野生型 ALK 和 ALKL1196M 的Ki 值分别为 <0.025 nM、<0.07 nM 和 0.7 nM。
Lorlatinib (PF-6463922) 是一种具有口服活性,选择性,脑渗透性和 ATP 竞争性的ROS1/ALK 抑制剂,具有抗癌活性。它对 ROS1、野生型 ALK 和 ALKL1196M 的Ki 值分别为 <0.025 nM、<0.07 nM 和 0.7 nM。
规格 | 价格 | 库存 | 数量 |
---|---|---|---|
1 mg | ¥ 226 | 现货 | |
2 mg | ¥ 313 | 现货 | |
5 mg | ¥ 566 | 现货 | |
10 mg | ¥ 917 | 现货 | |
25 mg | ¥ 1,990 | 现货 | |
50 mg | ¥ 2,890 | 现货 | |
100 mg | ¥ 3,930 | 现货 | |
1 g | ¥ 6,590 | 5日内发货 | |
1 mL x 10 mM (in DMSO) | ¥ 613 | 现货 |
产品描述 | Lorlatinib (PF-6463922) is an orally available, ATP-competitive inhibitor of the receptor tyrosine kinases, anaplastic lymphoma kinase (ALK) and C-ros oncogene 1 (Ros1), with potential antineoplastic activity. |
靶点活性 | ALK (L1196M):0.07 nM(Ki), ROS1:<0.02 nM(Ki), TYK1/LTK:2.7 nM, ALK:<0.07 nM(Ki), FER:3.3 nM |
体外活性 | 在含有SLC34A2-ROS1 融合物的HCC78人NSCLC细胞和表达人CD74-ROS1的BaF3-CD74-ROS1细胞中,PF-06463922能够抑制细胞增殖,同时诱导细胞凋亡。在含有非突变型ALK或突变型ALK融合物的NSCLC 细胞中, PF-06463922能够抑制细胞增殖,同时诱导细胞凋亡。对ALK和大量ALK临床突变型(IC50=0.2 -77 nM), PF-06463922表现出明显的细胞活性。 |
体内活性 | 在表达人CD74-ROS1 和 Fig-ROS1的NIH3T3异种移植模型中,PF-06463922通过抑制ROS1磷酸化和下游信号分子,以及对周期蛋白D1的抑制发挥作用,能够抑制细胞增殖.在负荷肿瘤移植物,过表达EML4-ALK,EML4-ALK-L1196M,EML4-ALK-G1269A,EML4-ALK-G1202R 或NPM-ALK的小鼠体内,PF-06463922表现出明显的抗肿瘤活性. |
激酶实验 | Recombinant human wild-type and mutant ALK kinase domain proteins (amino acids 1093–1411) are produced in-house using baculoviral expression, preactivated via autophosphorylation with MgATP, and assayed for kinase activity using a microfluidic mobility shift assay. The reactions contained 1.3 nM wild-type ALK or 0.5 nM mutant ALK (appropriate to produce 15-20% phosphorylation of peptide substrate after 1 h of reaction), 3 μM 5-FAM-KKSRGDYMTMQIG-CONH2), 5 mM MgCl2, and the Km level of ATP in 25 mM Hepes, pH 7.1. The inhibitors are shown to be ATP-competitive from kinetic and crystallographic studies. The Ki values are calculated by fitting the conversion (%) to a competitive inhibition equation. ROS1 enzyme is assayed as described above for ALK, except using 0.25 nM recombinant human ROS1 catalytic domain (amino acids 1883-2347). Kinase inhibitor selectivity is evaluated using a 206-kinase panel. |
细胞实验 | Cells are seeded in 96-well plates in growth medium containing 10% FBS and are cultured overnight at 37°C. The following day, serial dilutions of PF-06463922 or appropriate controls are added to the designated wells, and cells are incubated at 37°C for 72 h. A CellTiter-Glo assay is performed to determine the relative cell numbers. IC50 values are calculated by concentration-response curve fitting using a four-parameter analytical method. |
别名 | 劳拉替尼, PF-6463922, PF-06463922, Loratinib |
分子量 | 406.41 |
分子式 | C21H19FN6O2 |
CAS No. | 1454846-35-5 |
Smiles | C[C@H]1Oc2cc(cnc2N)-c2c(CN(C)C(=O)c3ccc(F)cc13)nn(C)c2C#N |
密度 | 1.42 g/cm3 (Predicted) |
存储 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||||||||||||||||||||||
溶解度信息 | Ethanol: 40.6 mg/mL (100 mM) DMSO: 15 mg/mL (36.91 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||||||||||||
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