This paper reviews the characteristic of CCP and its function of delivery of proteins, antibodies, DNA, liposomes, fluorescein and imaging contrast agents in molecular imaging within cells.

• 本文就穿膜肽的特点，在功能上转运蛋白、抗体、脂质体、基因以及作为分子成像新途径能结合荧光素，磁共振对比剂等进行细胞内显影作一个综述介绍。