靶点 |
EC50: 17 nM (Human EP4 receptor), 160 nM (Human EP3 receptor), 1000 nM (Human EP2 receptor), 1000 nM (Human EP2 receptor)[1] Ki: 2.57 nM (Human EP4 receptor), 32.4 nM (Human EP3 receptor), 52.9 nM (Human IP receptor), 1410 nM (Human EP1 receptor), 1540 nM (Human EP2 receptor)[1]
|
体外研究 |
KAG-308是一种有效的选择性口服EP4受体激动剂,抑制结肠炎,促进组织学粘膜愈合。KAG-308显示人类EP4受体的Ki和EC50值分别为2.57纳米和17纳米,比人类EP1(Ki,1410纳米;EC50,1000纳米)、EP2(Ki,1540纳米;EC50,1000纳米)、EP3(Ki,32.4纳米;EC50,160纳米)和IP受体(Ki,52.9纳米;EC50,大于10000纳米)更具选择性。在双荧光素酶报告试验中,KAG-308还表现出对人和小鼠EP4的有效激动剂活性,EC50分别为0.15 nM和1.0 nM[1]。
|