| 产品描述： | GSK189254A (GSK189254) is a novel, potent and selective histamine H3 receptor antagonist with pKi values of 9.59-9.90 and 8.51-9.17 for human and rat H3, respectively. |
| 靶点： |
pKi: 9.59-9.90 (H3, human), 8.51-9.17 (H3, rat) |
| 体外研究： |
GSK189254 has high affinity for both recombinant H3 receptors expressed in HEK-293-MSR-II cells and native H3 receptors expressed in the cerebral cortex of several species. GSK189254 generally exhibits higher affinity for human and pig H3 receptors compared with rat,mouse, and dog H3 receptors. [3H]GSK189254 binds in rat and human brain areas, including cortex and hippocampus. GSK189254 may have therapeutic potential for the symptomatic treatment of dementia in Alzheimer’s disease and other cognitive disorders |
| 体内研究： |
GSK189254 (0.3-3 mg/kg p.o.) increases the release of acetylcholine, noradrenaline, and dopamine in the anterior cingulate cortex and acetylcholine in the dorsal hippocampus. GSK189254 significantly improves performance of rats in diverse cognition paradigms, including passive avoidance, water maze, object recognition, and attentional set shift. In Ox+/+ and Ox−/− mice, acute administration of GSK189254 increases W and decreases slow wave and paradoxical sleep to a similar degree to modafinil, while it reduces narcoleptic episodes in Ox−/− mice |
| 参考文献： |
1. Medhurst AD, et al. GSK189254, a novel H3 receptor antagonist that binds to histamine H3 receptors in Alzheimer's disease brain and improves cognitive performance in preclinical models. J Pharmacol Exp Ther. 2007 Jun;321(3):1032-45. 2. Guo RX, et al. Differential effects of acute and repeat dosing with the H3 antagonist GSK189254 on the sleep-wake cycle and narcoleptic episodes in Ox-/- mice.Br J Pharmacol. 2009 May;157(1):104-17. |
| 溶解性： |
soluble in DMSO |
| 保存条件： |
-80℃（运输条件：冰袋低温运输） |
| 配置溶液浓度参考： |
|
1mg |
5mg |
10mg |
| 1 mM |
2.845 ml |
14.227 ml |
28.454 ml |
| 5 mM |
0.569 ml |
2.845 ml |
5.691 ml |
| 10 mM |
0.285 ml |
1.423 ml |
2.845 ml |
| 50 mM |
0.057 ml |
0.285 ml |
0.569 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。 |
上海工商
危险品化学品经营许可证（不带存储）
营业执照(三证合一)
北京