guinea pig 5-ht1b receptor

AR-A 2 is a selective 5-HT1B receptor antagonist, with a high affinity to guinea pig cortex 5HT1B 1D and recombinant guinea pig 5-HT1B receptors (Ki: 0.24 and 0.47 nM) and with 10-fold lower affinity to guinea pig 5-HT1D receptor (Ki: 5 nM).

RO1138452 (CAY10441) 是一种选择性和可口服的前列环素受体拮抗剂，pKi 为8.3。它拮抗卡前列环素诱导的人神经母细胞瘤腺苷酸环化酶的激活，以剂量依赖性方式阻断环 AMP 积累，具有镇痛活性。