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Table 3 Expression of the 5 multidrug resistance proteins in the interstitial cells

From: Expression and clinical significance of multidrug resistance proteins in brain tumors

Multidrug resistance protein

n

-

+

++

+++

Strongly positive rate(%)

P-gp

30

3

13

10

4

46.67

Topo II

30

21

3

2

4

20.00

GST-π

30

13

14

2

1

10.00

MRP

30

24

4

1

1

6.67

LRP

30

22

6

1

1

6.67

  1. The expression of resistance proteins in interstitial cells are similar to the tumor cells. The positive expression of P-gp is highest, the difference was statistically significant (Rank sum test, P < 0.05)