A composition including an elastin-like polypeptide (ELP) coupled to a therapeutic agent is provided. The ELP comprises at least about 5 repeats of the amino acid sequence VPGXG. Further provided is a method of using the composition for therapeutic agent delivery during pregnancy to reduce the amount of the therapeutic agent crossing a placenta in a pregnant subject. The method includes administering to the pregnant subject an effective amount of the composition comprising the ELP coupled to the therapeutic agent.
提供了一种组合物,其中包括一种与治疗剂结合的
弹性蛋白样
多肽(ELP)。ELP 包含至少约 5 个重复的
氨基酸序列 VPGXG。还提供了一种在怀孕期间使用该组合物输送治疗剂的方法,以减少治疗剂通过怀孕对象胎盘的量。该方法包括向怀孕对象施用有效量的组合物,该组合物包含与治疗剂偶联的ELP。