Incubation

0

5

10

15

20

25 (µM)

4

1.15 ± 0.16

3.41 ± 0.41^a

3.51 ± 0.24^a

3.69 ± 0.38^a

2.99 ± 0.24^a

4.77 ± 0.24^a

6

1.29 ± 0.03

4.74 ± 0.99

5.98 ± 0.50^b

5.78 ± 0.46^b

6.79 ± 0.87^b

8.34 ± 1.32^b

18

1.11 ± 0.12

1.40 ± 0.11^c

1.24 ± 0.23^c

2.19 ± 0.63^c

3.48 ± 1.15^bc

2.80 ± 0.75^bc

24

1.27 ± 0.05

1.57 ± 0.21^d

1.74 ± 0.19^d

1.92 ± 0.34^d

3.14 ± 0.62^c

14.14 ± 0.54^d