Discovery of Potent Orally Active Protease-Activated Receptor 1 (PAR1) Antagonists Based on Andrographolide
作者:Jun Liu、Bin Sun、Xiaoyu Zhao、Jie Xing、Yanhui Gao、Wenqiang Chang、Jianbo Ji、Hongbo Zheng、Changyi Cui、Aiguo Ji、Hongxiang Lou
DOI:10.1021/acs.jmedchem.7b00951
日期:2017.8.24
critical role in thrombin-mediated platelet aggregation. It is regarded as a promising antithrombosis target that is unlikely to result in bleeding. Here, we describe the synthesis of a series of novel PAR1 antagonists by borrowing the chiral fragment of andrographolide, an easily accessible natural molecule from Andrographis paniculata, to produce natural product/synthesis hybrids. An in vitro PAR1 inhibition
蛋白酶激活受体1(PAR1)是一种G蛋白偶联受体,在凝血酶介导的血小板聚集中起关键作用。它被认为是有希望的抗血栓形成靶标,不太可能导致出血。在这里,我们通过借用穿心莲内酯的手性片段来描述一系列新型PAR1拮抗剂的合成,穿心莲内酯是从穿心莲中容易获得的天然分子,以产生天然产物/合成杂种。体外PAR1抑制测定和体内药代动力学特征导致化合物39被鉴定为最佳PAR1抑制剂。化合物39的进一步体外和离体抗血小板凝集试验表明,化合物39是一种有效的抗血小板药。此外,该化合物在代谢上稳定,并显示出良好的药代动力学特征,消除半衰期为3.1小时,可以作为进一步临床开发的有希望的候选者。