Rapid modifications of N-substitution in iminosugars: Development of new β-glucocerebrosidase inhibitors and pharmacological chaperones for Gaucher disease
作者:Wei-Chieh Cheng、Chen-Yi Weng、Wen-Yi Yun、Shang-Yu Chang、Yu-Chun Lin、Fuu-Jen Tsai、Fu-Yung Huang、Yun-Ru Chen
DOI:10.1016/j.bmc.2013.06.054
日期:2013.9
discovery of β-glucocerebrosidase (GCase) inhibitors and pharmacological chaperones for Gaucher disease is described. The N-aminobutyl DNJ-based iminosugar was synthesized and conjugating with a variety of carboxylic acids to generate a N-diversely substituted iminosugar-based library. Several members of this library were found to be nanomolar-range inhibitors of GCase; the inhibition constant Ki of
描述了快速发现β-葡萄糖脑苷脂酶(GCase)抑制剂和戈谢病的药理伴侣蛋白。的Ñ -氨基丁基基于DNJ-亚氨基糖合成并与各种羧酸缀合,以产生Ñ -diversely取代的亚氨基糖的基于库。已发现该文库的几个成员是GCase的纳摩尔范围抑制剂。抑制常数K i发现最有效的为71 nM。尽管这些新分子在来自Gaucher患者来源的细胞系的N370S成纤维细胞中显示出合理的伴侣活性(1.5至1.9倍),但同时伴随着细胞α-葡萄糖苷酶活性的下降,这可能会限制其进一步的治疗潜力。接下来,将新开发的N-取代基与吡咯烷基支架组装在一起,以产生新的分子用于进一步评估。新的2,5-二脱氧-2,5-亚氨基d -mannitol(DMDP)基亚氨基糖22被发现显示出令人满意的活性的陪伴通过以增强的GCase活性的戈谢N370S细胞系2.2倍,而没有损害蜂窝α-葡萄糖苷酶活性。