Described herein is a method for loading a hydrophilic compound into liposomes after addition of an alkylester group to form an esterified compound. After loading, the alkylester is hydrolyzed to reform the hydrophilic compound inside the liposomes. Also described is a method for loading drugs under a glucuronide methylester form into liposomes. The glucuronide methylester form of the drug is saponified to a glucuronide form of the drug inside the liposomes for better drug retention. The glucuronide residue conjugated to drugs can be removed inside cells to regenerate the parental drug upon cell uptake, liposomal degradation and enzyme hydrolysis. In case of cancer, this method can be used to safely deliver drugs to tumors.
本文描述了一种将亲
水化合物加载到脂质体中的方法,方法是在加入烷基酯基团后形成酯化化合物。加载后,烷基酯被
水解以重新在脂质体内形成亲
水化合物。还描述了一种将药物以
葡萄糖醛酸甲酯形式加载到脂质体中的方法。将药物的
葡萄糖醛酸甲酯形式皂化为脂质体内药物的
葡萄糖醛酸形式,以增强药物的保留。与药物结合的
葡萄糖醛酸残基可以在细胞内去除,从而在细胞摄取、脂质体降解和酶
水解过程中再生母药。在癌症情况下,这种方法可用于安全地将药物输送到肿瘤中。