Effect of Liposome and Cyclodextrin Entrapment on Retardation of Glutathione Decomposition of Nitroimidazolyl Sulfones
作者:Ned D. Heindel、Roger A. Egolf、James S. Stefely
DOI:10.1002/jps.2600791003
日期:1990.10
pharmaceuticals derived from 4-nitro-5-imidazolyl sulfones has its clinical potential compromised by a metabolic reaction with plasma glutathione which leads to a much less active metabolite. Entrapment of two members of the class in three different liposomes, one polymerized liposome, and a beta-cyclodextrin system has shown that this glutathione condensation can be suppressed by a rate factor of
衍生自4-硝基-5-咪唑基砜的一类新的放射增敏药物由于与血浆谷胱甘肽的代谢反应而削弱了其临床潜力,从而导致代谢产物的活性大大降低。三种不同脂质体,一种聚合脂质体和β-环糊精系统中两种成员的截留表明,谷胱甘肽缩合可以被近50倍的速率因子抑制。这些代谢不稳定的放射增敏剂的稳定作用似乎与其脂质-缓冲液分配系数以及被其包裹的脂质体膜的流动性有关。