drug candidates. To address this issue, one strategy could be probing the susceptibility of Trypanosoma parasites toward NADP-dependent enzyme inhibitors. Recently, steroids of the androstane group have been described as highly potent but nonselective inhibitors of parasitic glucose-6-phosphate dehydrogenase (G6PDH). In order to promote selectivity, we have synthesized and evaluated 26 steroid derivatives
恰加斯病是一种寄生虫感染,影响了拉丁美洲的数百万人,给社会经济造成了沉重负担。尽管有药物,尼富替莫和苯硝唑可供使用,但缺乏疗效和副作用的发生率促使人们鉴定出新颖,有效和负担得起的药物。为了解决这个问题,一种策略可能是研究锥虫的易感性寄生于
NADP依赖性酶
抑制剂。近来,
雄甾烷类的类
固醇已被描述为高效的但非选择性的6-
葡萄糖葡萄糖磷酸脱氢酶(G6PDH)
抑制剂。为了促进选择性,我们在酶测定合成并评价
表雄酮的26类
固醇衍
生物,由此示出17种化合物显示中等至高选择性锥虫在人类G6PDH。此外,三种化合物可有效杀死感染大鼠心肌细胞的胞内克鲁氏梭菌形式。总之,这项研究提供了有关G6PDH的新
SAR数据,并进一步支持了该目标以治疗南美锥虫病。