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Table 3 Effects of chemotherapeutical treatment on expression of proliferation (Ki-67, BrdU) and of apoptosis (cleaved caspase-3) in human NSCLC tissue specimens. Data are expressed as mean values of percentages ± SEM of positively stained tumour cells.

From: A novel human ex vivo model for the analysis of molecular events during lung cancer chemotherapy

Ki-67

Treatment

  

Two-tailed P-Value

Number of Tested Samples

AC

  

RPMI

  
 

CARB

9.8 ± 2.2

18.0 ± 2.6

0.032

N = 19

 

VIN

10.9 ± 2.4

18.2 ± 2.4

0.047

N = 21

 

GEM

11.4 ± 2.1

21.2 ± 2.1

0.0049

N = 17

SCC

     
 

CARB

19.1 ± 2.4

26.6 ± 2.4

0.065

N = 19

 

VIN

18.1 ± 2.6

27.3 ± 2.4

0.0026

N = 20

 

GEM

21.2 ± 2.9

28.8 ± 2.5

0.07

N = 17

BrdU

     

AC

  

RPMI

  
 

CARB

0.9 ± 0.5

5.5 ± 1.7

0.006

N = 19

 

VIN

0.2 ± 0.1

6.0 ± 1.9

0.002

N = 15

 

GEM

1.0 ± 0.4

6.8 ± 2.3

0.063

N = 12

SCC

     
 

CARB

1.4 ± 0.6

4.7 ± 1.4

0.084

N = 9

 

VIN

0.8 ± 0.4

4.9 ± 1.7

0.079

N = 7

 

GEM

1.3 ± 0.7

4.9 ± 1.7

0.063

N = 7

Caspase-3

     

AC

  

RPMI

  
 

CARB

19.0 ± 4.6

11.1 ± 2.5

0.47

N = 19

 

VIN

22.0 ± 5.5

10.6 ± 2.4

0.163

N = 20

 

GEM

20.8 ± 6.4

10.1 ± 2.9

0.559

N = 16

SCC

     
 

CARB

13.7 ± 3.2

8.3 ± 1.2

0.483

N = 19

 

VIN

15.1 ± 3.1

7.8 ± 1.1

0.24

N = 18

 

GEM

17.5 ± 3.1

8.3 ± 1.4

0.029

N = 15

  1. AC: Adenocarcinomas; SCC: Squamous cell carcinomas
  2. RPMI: medium control tissues; CARB: carbolatin; VIN: vinorelbine; GEM: gemcitabine