Antisense-induced down-regulation of thymidylate synthase and enhanced cytotoxicity of 5-FUdR in 5-FUdR-resistant HeLa cells.

反义寡核苷酸诱导胸苷酸合成酶下调，增强 5-FUdR 对 5-FUdR 耐药 HeLa 细胞的细胞毒性