LNCaP

PC3

Experimental Groups

Average colonies from three plates Mean±SE

Plating efficiency (%)

Percent survival

CI

Average colonies from three plates Mean±SE

Plating efficiency (%)

Percent survival

CI

Control

2142±11.1

23.8

100

421±10.1

21

100

IR 2 Gy

583±12

6.4

27

198±6.2

10

48

IR 5 Gy

215±5.2

2.4

10

127±5.0

6.4

30

IR 10 Gy

22±1.2

0.2

1

32±3.2

1.6

7.6

IR 20 Gy

3±0.4

0.03

0.1

5±1.1

0.25

1.2

Curcumin 2.5 µM

1066±8.2

11.8

49

305±10.3

15

71

Curcumin 5 µM

354±7.5

4

17

105±3.5

5

25

Curcumin 10 µM

60±5.5

0.7

3

14±3.5

0.7

3

Curcumin 20 µM

5±3.0

0.05

0.2

7±1.3

0.35

1.7

Curcumin 2.5 µM + IR 2 Gy

110±4.6

1.2

5

0.78

128±12.0

6

30

0.92

Curcumin 5 µM  +IR 2 Gy

74±3.5

0.8

3

0.47

37±6.0

2

9

0.50

Curcumin 10µM + IR 2 Gy

09±1.2

0.1

0.4

0.26

2±0.6

0.1

0.5

0.16