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MK-3207 Hydrochloride

CAS No.: 957116-20-0

MK-3207 Hydrochloride (MK-3207 HCl) is a potent CGRP receptor antagonist with IC50 and Kiof 0.12 nM and 0.022 nM, highly
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Description MK-3207 Hydrochloride (MK-3207 HCl) is a potent CGRP receptor antagonist with IC50 and Kiof 0.12 nM and 0.022 nM, highly selective versus human AM1, AM2, CTR, and AMY3. Phase 2.
In vitro MK 3207对天然和重组的人类CGRP受体以及恒河猴CGRP受体展现出显著较高的亲和力,其Ki值分别为24 pM、约24 pM和22 pM,相较于其他物种的CGRP受体(包括犬和啮齿类动物,Ki值约为10 nM)显示出更高的选择性。尽管MK 3207对AMY1(CTR/RAMP1)受体也有亲和力,Ki值为0.75 nM,但相较于其他相关的人类受体如AM1(CLR/RAMP2)、AM2(CLR/RAMP3)、AMY3(CTR/RAMP3)受体和CTR,其Ki值分别为16.5 μM、0.156 μM、0.128 μM和1.9 μM,显示出对人类CGRP受体的显著选择性。在稳定表达人类CLR/RAMP1的HEK293细胞中,MK 3207强效抑制由人α-CGRP诱导的cAMP产生,其IC50为0.12 nM,并且在含有50%人血清的环境下保持相似的效力(IC50为0.17 nM),表明MK 3207的活性不会因体内的血浆蛋白结合而受到显著影响。在人血清转移的体外功能测定中,MK 3207的效力大约是telcagepant的65倍,其IC50为10.9 nM。[1]
In vivo MK 3207 对恒河猴皮肤血管扩张的抑制作用呈浓度依赖性,能够阻断辣椒素诱导的血流量增加,其EC50为0.8 nM,EC90为7 nM。相比于telcagepant,在恒河猴辣椒素诱导的皮肤血管扩张(CIDV)评估中,MK 3207 显示出约100倍的增强效力,telcagepant的EC90为994 nM。[1]
Target activity CGRP:0.12 nM
Synonyms MK-3207 HCl
molecular weight 594.05
Molecular formula C31H29F2N5O3·HCl
CAS 957116-20-0
Storage Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility Ethanol: 119 mg/mL (200.31 mM) H2O: 5 mg/mL (8.41 mM) DMSO: 119 mg/mL (200.31 mM)
References 1. Salvatore CA, et al. J Pharmacol Exp Ther, 2010, 333(1), 152-160.