The <i>myo</i>-1,2-Diaminocyclitol Scaffold Defines Potent Glucocerebrosidase Activators and Promising Pharmacological Chaperones for Gaucher Disease
作者:Ana Trapero、Amadeu Llebaria
DOI:10.1021/ml200098j
日期:2011.8.11
development of pharmacological chaperones for enzyme deficiency in Gaucher disease (GD). The most potent inhibitor, (1S,2R,3R,4S,5R,6S)-5,6-bis(nonylamino)cyclohexane-1,2,3,4-tetraol, displayed a K i value of 26 nM in isolated enzyme and also inhibited GCase in wild-type (wt) human fibroblasts at nanomolar concentrations. This diaminocyclitol produced maximum increases of GCase activities of 60% in N370S
一系列具有肌构象的环糖醇衍生物是β-葡萄糖脑苷脂酶(GCase)抑制剂,在针对高歇病(GD)的酶缺乏的药理伴侣分子的开发中显示出优异的特性。最有效的抑制剂(1S,2R,3R,4S,5R,6S)-5,6-双(壬基氨基)环己烷-1,2,3,4-四醇在分离的酶中的K i值为26 nM并在纳摩尔浓度的野生型(wt)人成纤维细胞中也抑制了GCase。在三天的孵育后,这种二氨基环糖醇在100 nM的N370S淋巴母细胞中产生最大的GCase活性增加,在1 nM时在L444P中产生30%的GCase活性,显示出用作药理伴侣的渗透性,亚细胞分布和细胞代谢特征。