Restriction analysis and DNA sequencing showed that the recombinant plasmid contained the coding region of human full length MUC1 gene. Transfection experiment verified that MUC1 gene could be expressed in COS 7 cells.

• 酶切鉴定和序列分析证实 ；重组质粒含有人MU C- 1全长 c DNA编码序列 ；转染实验表明 MU C- 1基因能在 COS- 7细胞中表达 .