Table 1 IC50 values (µM) of UA derivatives against MCF-7 and MDA-MB-31 cells. Mean values ± sd from three independent experiments (n = 3) performed in duplicate are presented.

From: Uracil derivatives/ursolic acid hybrids - naturally derived compounds as anticancer agents

Compound

IC50 [µM]

MCF-7

MDA-MB-231

Ursolic acid 1

27.30 ± 2

15.04 ± 1

2b

> 100

> 100

3b

> 100

> 100

4a

19.66 ± 2

12.64 ± 1

4b

> 100

> 100

5a’

24.54 ± 2

20.42 ± 2

5a

17.04 ± 1

9.24 ± 1

5b

> 100

> 100

6a

14.00 ± 1

5.83 ± 1

6b

> 100

> 100

7a

15.96 ± 1

19.43 ± 2

7b

> 100

> 100

8a

36.31 ± 2

33.14 ± 2

8b

> 100

> 100

9a

17.00 ± 2

12.10 ± 1

9a’

45.17 ± 2

58.59 ± 2

9b

> 100

> 100

10a

> 100

42.06 ± 2

10b

> 100

> 100

11a

40.84 ± 2

36.31 ± 2

11b

> 100

> 100

DOX

3.94 ± 0.51

6.08 ± 0.38