Table 1.
Levels of DKK-1 expression were detected in the culture medium and cell lysate of all 14 cancer cell lines by ELISA
| Cancer cell lines and control | Concentration of DKK1 (pg/ml) | |
|---|---|---|
| Normal cells | ||
| Human astrocytes | 0 | 0 |
| Low-grade glioma cell line | ||
| SHG-44 | 0 | 0 |
| Medulloblastoma cell line | ||
| D341 | 0 | 0 |
| Glioblastoma cell lines | Culture medium* | Cell lysate** |
| U251 | 18238 | 4917 |
| SF767 | 5760 | 729 |
| T98G | 1558 | 258 |
| UW-28 | 2390 | 45 |
| MGR1 | 1089 | 151 |
| MGR2 | 3826 | 434 |
| MGR3 | 3901 | 375 |
| SKI-N2 | 766 | 260 |
| SKMG-1 | 6691 | 2192 |
| SKMG-4 | 301 | 72 |
| UWR7 | 5290 | 910 |
| SF295 | 8628 | 1780 |
* and ** indicate the respective concentration of DKK-1 protein tested in the culture medium and cell lysate.