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Expression of the 5 multidrug resistance proteins in the tumor cells
| Multidrug resistance protein | n | - | + | ++ | +++ | Strongly positive rate (%) |
|---|---|---|---|---|---|---|
| P-gp | 30 | 4 | 18 | 8 | 0 | 26.67 |
| Topo II | 30 | 13 | 10 | 7 | 0 | 23.33 |
| GST-π | 30 | 10 | 15 | 5 | 0 | 16.67 |
| MRP | 30 | 28 | 1 | 1 | 0 | 3.33 |
| LRP | 30 | 26 | 3 | 1 | 0 | 3.33 |
In tumor cells, the strongly positive rate of P-gp, Topo II, GST-π, LRP and MRP were 26.67%,23.33%,16.67%,3.33% and 3.33%, respectively. This difference was statistically significant (Rank sum test, P < 0.05)
