LNCaP

PC3

Experimental Groups

Average colonies from three plates

Plating efficiency (%)

Percent survival

Average colonies from three plates

Plating efficiency (%)

Percent survival

Control

2142

23.8

100

421

21

100

IR 2 Gy

583

6.4

27

198

10

48

Curcumin 2.5 µM

1066

11.8

49

305

15

71

Curcumin 5 µM

354

4

17

105

5

25

Curcumin 10 µM

60

0.7

3

14

0.7

3

Curcumin 2.5 µM + IR 2 Gy

110

1.2

5

128

6

30

Curcumin 5 µM + IR 2 Gy

74

0.8

3

37

2

9

Curcumin 10 µM + IR 2 Gy

09

0.1

0.4

2

0.1

0.5

Table 3b: Clonogenic cell survival in LNCaP and PC3 cells. CI-combination index.