| 产品描述: | Y-27632 2HCl是一种选择性ROCK1和ROCK2抑制剂,无细胞试验中Ki分别为140 nM和300nM,比对其他激酶包括PKC,cAMP依赖性蛋白激酶,MLCK和PAK的作用强200多倍 |
| 靶点: |
ROCK1 (p160ROCK)(Cell-free assay):140 nM(Ki); ROCK2(Cell-free assay):300 nM(Ki);ROCK; Apoptosis |
| 体外研究: |
Y-27632也同等有效抑制ROCK-II。Y-27632作用于PKC, cAMP依赖的蛋白激酶和 肌球蛋白轻链激酶(MLCK)几乎没有活性,Ki分别为26 μM, 25 μM, 和 > 250 μM。Y-27632通过选择性抑制Ca2+敏感化,而抑制多种兴奋剂而不是KCl,包括Phenylephrine, Histamine, Acetylcholine, Serotonin, Endothelin,和Thromboxane诱导的平滑肌收缩,IC50为0.3-1 μM。Y-27632 作用于培养的细胞,抑制Rho诱导的, p160ROCK调节的应力纤维的形成。 Y-27632处理,阻断 Rho调节的肌动球蛋白的激活,也阻断LPA刺激的MM1 细胞入侵活性,这种作用存在浓度依赖性。 10 μM Y-27632 处理在无血清悬浮(SFEB)培养基中的人类胚胎干细胞(hES),显著减少分离诱导的凋亡,提高克隆效率(从~1%提高到~27%), 转基因后促进亚克隆,且使SFEB培养的hES细胞存活及分化成Bf1+皮质和基底端脑祖细胞 |
| 体内研究: |
Y-27632按30 mg/kg剂量口服处理自发性高血压大鼠,肾性高血压大鼠,及去氧皮质酮醋酸(DOCA)盐高血压大鼠,显著降低血压,这种作用存在剂量依赖性。 Y-27632按每小时0.55 μL通过植入泵持续处理表达Val14-RhoA的大鼠,持续11天,延迟 MM1 细胞入侵。 Y-27632作用于肺循环,通过抑制ROCK, 降低 缺氧诱导的血管生成,和血管重构 |
| 细胞实验: |
Cell lines: hES Cells Concentrations: 10 uM Incubation Time: 1 h Method: Y-27632 was added to culture medium at 10 uM 1 h before detaching the cells from the feeder layer and also upon seeding the cells onto a new MEF layer. |
| 动物实验: |
Animal Models: 携带自发或诱发高血压的雄性Wistar大鼠; 艾利希腹水癌小鼠模型 Dosages: 30 mg/kg/day (大鼠);0-10 mg/kg (小鼠) Administration: 口服处理 (大鼠);ip(小鼠) |
| 参考文献: |
1. Uehata M, et al. Calcium sensitization of smooth muscle mediated by a Rho-associated protein kinase in hypertension. Nature, 1997, 389(6654), 990-994. 2. Itoh K, et al. An essential part for Rho-associated kinase in the transcellular invasion of tumor cells. Nat Med, 1999, 5(2), 221-225. 3. Bito H, et al. A critical role for a Rho-associated kinase, p160ROCK, in determining axon outgrowth in mammalian CNS neurons. Neuron, 2000, 26(2), 431-441. 4. Watanabe K, et al. A ROCK inhibitor permits survival of dissociated human embryonic stem cells. Nat Biotechnol, 2007, 25(6), 681-686. 5. Hyvelin JM, et al. Inhibition of Rho-kinase attenuates hypoxia-induced angiogenesis in the pulmonary circulation. Circ Res, 2005, 97(2), 185-191. 6. Ishizaki T, et al. Pharmacological properties of Y-27632, a specific inhibitor of rho-associated kinases. Mol Pharmacol. 2000, 57(5), 976-983. 7. Isler D, et al. Antitumoral effect of a selective Rho-kinase inhibitor Y-27632 against Ehrlich ascites carcinoma in mice. Pharmacol Rep. 2014, 66(1), 114-120. |
| 溶解性: |
Soluble in DMSO、H2O |
| 保存条件: |
-20℃ |
| 配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
| 1 mM |
3.122 ml |
15.612 ml |
31.225 ml |
| 5 mM |
0.624 ml |
3.122 ml |
6.245 ml |
| 10 mM |
0.312 ml |
1.561 ml |
3.122 ml |
| 50 mM |
0.062 ml |
0.312 ml |
0.624 ml |
|
| 注意: |
部分产品我司仅能提供部分信息,我司不保证所提供信息的权威性,仅供客户参考交流研究之用。 |