Carbonic Anhydrase Inhibitors: Inhibition of Transmembrane, Tumor-Associated Isozyme IX, and Cytosolic Isozymes I and II with Aliphatic Sulfamates
作者:Jean-Yves Winum、Daniela Vullo、Angela Casini、Jean-Louis Montero、Andrea Scozzafava、Claudiu T. Supuran
DOI:10.1021/jm030911u
日期:2003.12.1
aliphatic sulfamates and related derivatives incorporating cyclic/polycyclic (steroidal) moieties in their molecules has been synthesized and assayed as inhibitors of the zinc enzyme carbonic anhydrase (CA) and, more precisely, of the cytosolic isozymes CA I and II and the transmembrane, tumor-associated isozyme CA IX. The most potent CA I inhibitor was n-tetradecyl sulfamate and some (substituted)benzyl/phenethyl
合成了一系列脂族氨基磺酸盐及其分子中结合了环状/多环(甾族)部分的相关衍生物,并将其检测为锌酶碳酸酐酶(CA)的抑制剂,更准确地说,是胞质同工酶CA I和II以及跨膜,肿瘤相关同工酶CA IX。最有效的CA I抑制剂是正十四烷基氨基磺酸盐和一些(取代的)苄基/苯乙基氨基磺酸盐(抑制常数在低微摩尔范围内)。针对CA II,低纳摩尔抑制剂(0.7-3.4 nM)为氨基磺酸正癸酯和上述(取代的)苄基/苯乙基衍生物。还观察到了脱氢表雄酮氨基磺酸盐的羟基/酮衍生物对CA II的有效抑制。有效的CA IX抑制特性,抑制常数范围为9-23 nM,观察到脂族氨基磺酸盐C(10)-C(16)(最有效的抑制剂是正十二烷基衍生物)和(取代的)苄基/苯乙基氨基磺酸盐。三种研究的同工酶对这种类型化合物的抑制谱有很大不同,这使我们希望可以制备CA IX选择性抑制剂(对hCA IX与hCA II的选择性比范围为5-63