Table 2
Results of immunostaining
| Original tumour | KU-SS-1 cells* | ||||
|---|---|---|---|---|---|
| Antigen | Human | SCID mouse | In vitro 20th | 40th | In vivo 40th |
| *20th and 40th refers to the passage number. | |||||
| +, Positive cells were detected in parts; ++, positive cells were detected frequently. | |||||
| SCID, severe combined immunodeficient. | |||||
| Vimentin | + | + | ++ | ++ | ++ |
| Epithelial membrane antigen | − | − | + | + | + |
| Cytokeratin | − | − | − | + | + |
