Transfer of SAR information from hypotensive indazole to indole derivatives acting at α-adrenergic receptors: In vitro and in vivo studies
作者:Jaroslaw Sączewski、Alan Hudson、Mika Scheinin、Aleksandra Wasilewska、Franciszek Sączewski、Apolonia Rybczyńska、Mehnaz Ferdousi、Jonne M. Laurila、Konrad Boblewski、Artur Lehmann、Helena Watts、Daqing Ma
DOI:10.1016/j.ejmech.2016.03.026
日期:2016.6
analogues were screened in vitro for their binding affinities for α1-and α2-adrenoceptors, which allowed the identification of the target-based SAR transfer (T_SAR transfer) as well as structure-based SAR transfer (S_SAR transfer) events. However, when screened in vivo with use of anaesthetized male Wistar rats, the new indole ligands showed a different hemodynamic profile than expected. Instead of the immediate
在用于新的抗高血压药物的搜索,我们应用支架从先前描述的α跳频1 -肾上腺素能受体拮抗剂,1 - [(咪唑啉-2-基)甲基]吲唑。目的是研究吲唑核的α-肾上腺素能是否可转移至吲哚核。新获得的1 - [(咪唑啉-2-基)甲基]吲哚类似物筛选体外对它们的结合亲和力为α 1 -和α 2 -肾上腺素受体,这使得的识别基于目标的SAR转印(转印T_SAR)以及基于结构的SAR传输(S_SAR传输)事件。但是,当使用麻醉的雄性Wistar大鼠进行体内筛选时,新的吲哚配体显示出与预期不同的血液动力学特征。代替周vasodilatatorα的直接降压作用特性的1个阻断剂,观察到双相作用,使人联想到可乐定样中枢作用的抗高血压剂。这是通过后续的支持体外功能研究中[ 35 S]GTPγS结合测定,其中所述吲哚类似物在α显示的部分激动剂性质2 -肾上腺素能受体。由于没有发现体外之间的相关性与α-肾上腺素受体的结合以