Objective To investigate the possibility of using 5-aminolevulinic acid(5-ALA)induced protoporphyrin IX(PpIX)for photodynamic therapy(PDT)of nasopharyngeal carcinoma(NPC)cell line CNE2 cultured in vitro.

• 目的探讨5-氨基乙酰丙酸(5-ALA)光动力学效应(PDT)杀伤人鼻咽癌细胞株CNE2的可能性。