The results showed that pcDNAIL2 was constructed successfully and IL2 was highly expressed in Cos7 and 7721 cells.

• 结果成功构建了pcDNA－IL－2真核表达质粒，并在Cos－7细胞高效表达，导入卵巢癌耐药细胞后其对顺铂的敏感性显著升高。