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Table 2 The expression of P-gp, MRP and LRP in patients with gastric cancer of different pathological types

From: The expression and significance of P-glycoprotein, lung resistance protein and multidrug resistance-associated protein in gastric cancer

  

Positive rates of MDR proteinsb

Pathological typesa

Numbers

P-gp*

n (%)

LRP**

n(%)

MRP***

n(%)

Poorly differentiated adenocarcinoma#

18

16 (88.9)

17 (94.4)

6 (33.3)

Moderately differentiated adenocarcinoma##

23

18 (78.3)

18 (78.3)

3 (13.0)

Well differentiated adenocarcinoma ###

8

7 (87.5)

7 (87.5)

4 (50.0)

Mucous adenocarcinoma

6

6 (100)

5 (83.3)

2 (33.3)

Others c

4

4 (100)

3 (75.0)

1 (25.0)

  1. a Comparison between the expression of P-gp and LRP in the same pathological types:
  2. #:P = 0.716; r = 0.376
  3. ##:P = 0.915; r = 0.913
  4. ###:P = 0.686; r = 0.414
  5. bComparison among different pathological types for the same protein:
  6. *P = 0.561
  7. **P = 0.297
  8. ***P = 0.661
  9. cOthers included well differentiated squamous carcinoma one case, unknown pathological types 3 cases.
  10. Pearson Chis-square test and Gamma test