TAK-285
- TAK 285
货号: abs816393
货号-规格 | 货期 | 价格 | 数量 |
abs816393-5mg | 1-2周 | ¥2482.00 | - + |
abs816393-10mg | 1-2周 | ¥4512.00 | - + |

产品描述 | ||
描述 | TAK-285是一种新型,HER2和EGFR(HER1)双重抑制剂,IC50分别为17 nM和23 nM,作用于HER1/2比作用于HER4选择性高10倍以上,对MEK1/5, c-Met, Aurora B, Lck, CSK等作用效果稍弱。在实验的34种激酶中,TAK-285只显著抑制HER4,IC50为260 nM,轻微抑制 MEK1, MEK5, c-Met, Aurora B, Lck, CSK, 和 Lyn B,IC50分别为 1.1 µM, 5.7 µM, 4.2 µM, 1.7 µM, 2.4 µM, 4.7 µM, 和 5.2 µM, 但是对其他激酶则无作用效果, IC50 >10 µM。TAK-285作用于BT-474 细胞 (过量表达HER2的 人类胸腺癌细胞系),显著抑制生长,GI50为17 nM。与SYR127063(HER2有效抑制剂)相比, TAK-285作用于HER2和EGFR效果相似。 | |
纯度 | >98% | |
储存/保存方法 | Store at -20℃ for one year(Powder);Store at 2-4℃ for two weeks;Store at -20℃ for six months after dissolution. | |
基本信息 | ||
别名 | TAK 285 | |
可溶性/溶解性 | DMSO :110 mg/mL (200.74 mM) Ethanol :54 mg/mL (98.54 mM) | |
生物活性 | ||
靶点 | HER2,EGFR/HER1 ,HER4,MEK1,Aurora B,, | |
In vitro(体外研究) | Among the 34 kinases tested, TAK-285 only significantly inhibits HER4 with IC50 of 260 nM, slightly inhibits MEK1, MEK5, c-Met, Aurora B, Lck, CSK, and Lyn B with IC50 of 1.1 μM, 5.7 μM, 4.2 μM, 1.7 μM, 2.4 μM, 4.7 μM, and 5.2 μM, respectively, and displays no activity against other kinases with IC50 of >10 μM. TAK-285 shows significant growth inhibitory activity against BT-474 cells (HER2-overexpressing human breast cancer cell line) with GI50 of 17 nM. Compared with SYR127063 a potent inhibitor of HER2, TAK-285 displays similar in vitro potency against HER2 and EGFR. Compared with the full cytoplasmic domains of the wild-type proteins, the mutations and shortened boundaries used for structure determination of HER2-KD and EGFR-KD do not significantly change the inhibitory activity (IC50) of TAK-285. TAK-285 binds to the inactive conformation of EGFR, and shows a similar binding mode with lapatinib in the active site. | |
In vivo(体内研究) | The oral bioavailability of TAK-285 is 97.7% in rats and 72.2% in mice at a dose of 50 mg/kg. Oral administration of TAK-285 at 100 mg/kg twice daily for 14 days displays significant antitumor efficacy in the HER2-overexpressing BT-474 tumor xenograft mouse model with tumor/control (T/C) ratio of 29%, without affecting body weight. Similar to the BT-474 model, TAK-285 exhibits dose-dependent tumor growth inhibition of 4-1ST (HER2-overexpressing human gastric cancer tumor) xenografts in mice, with T/C of 44% and 11% at doses of 50 mg/kg and 100 mg/kg, twice daily, respectively, without significant body weight loss in mice. Furthermore, TAK-285 treatment induces dose-dependent growth inhibition of 4-1ST tumors in rats with T/C of 38% and 14% at doses of 6.25 mg/kg and 12.5 mg/kg, and, particularly noteworthy, tumor regression with T/C of -12% and -16% at doses of 25 mg/kg and 50 mg/kg, respectively. After oral administration of TAK-285, a significant amount of TAK-285 is present in the brain of rats in pharmacologically active, unbound form (approximately 20% of its free plasma level), indicating that TAK-285 has a potential in the therapy of CNS malignancies/metastases. | |
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- 实验方法 实验条件
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