Colorectal Cancer
Copyright ©The Author(s) 2003.
World J Gastroenterol. Mar 15, 2003; 9(3): 485-490
Published online Mar 15, 2003. doi: 10.3748/wjg.v9.i3.485
Table 1 The photochemical properties of the perylenequinones
StructureUV λmax (log ε)*λmax (log ε)*φ 1O2
EA459(1.60), 528(0.84), 568(1.04)460(3.78), 531(3.13), 571(3.60)0.94
HA468(1.88), 542(0.83), 582(0.90)417(5.51), 542(1.02), 582(7.70)0.83
HB470(0.27), 540(0.12), 583(0.13)471(4.39), 543(3.01), 583(3.36)0.76
Table 2 EA-induced apoptosis in R366.4 ES cells with FCM assay (means ± SD, n = 3)
GroupRate of apoptosis/%
5 min6 min10 min20 min
Control0000
10-7 Mol/L0000
10-6 Mol/L0000
10-5 Mol/L0000
10-4 Mol/L48.8 ± 4.50b50.3 ± 4.14b52.1 ± 2.35b50.5 ± 3.68b
10-3 Mol/L54.9 ± 2.99b53.4 ± 4.01b52.4 ± 3.50b50.2 ± 4.93b
Table 3 Hce-8693 cell apoptosis induced by photoactivated EA (means ± SD, n = 3)
GroupRate of apoptosis/%
10-6 Mol/L10-5 Mol/L10-4 Mol/L10-3 Mol/L
Control0000
5 min032.7 ± 7.56b53.6 ± 6.62b63.4 ± 10.24b
6 min019.3 ± 4.16b32.8 ± 7.38b55.5 ± 7.00b
10 min13.4 ± 3.25b26.4 ± 4.89b31.3 ± 5.39b44.9 ± 5.46b
20 min40.5 ± 8.58b52.7 ± 11.82b65.2 ± 11.22b68.0 ± 5.93b
Table 4 Hce-8693 cell apoptosis induced by photoactivated HA (means ± SD, n = 3)
GroupRate of apoptosis/%
10-6 Mol/L10-5 Mol/L10-4 Mol/L10-3 Mol/L
Control0000
5 min29.5 ± 2.29b47.2 ± 8.79b48.4 ± 4.66b58.8 ± 8.40b
6 min32.0 ± 5.64b39.1 ± 6.41b43.2 ± 8.84b66.4 ± 8.02b
10 min40.2 ± 6.23b45.2 ± 8.40b45.5 ± 8.38b53.4 ± 8.77b
20 min22.6 ± 3.39b56.6 ± 3.86b62.8 ± 4.23b68.4 ± 8.85b
Table 5 Hce-8693 cell apoptosis induced by photoactivated HB (means ± SD, n = 3)
GroupRate of apoptosis/%
10-6 Mol/L10-5 Mol/L10-4 Mol/L10-3 Mol/L
Control0000
5 min0028.1 ± 6.21b64.8 ± 11.78b
6 min0017.3 ± 3.68b32.0 ± 7.57b
10 min020.0 ± 4.21b20.5 ± 4.57b71.0 ± 10.57b
20 min13.7 ± 3.02b13.9 ± 2.87b19.1 ± 4.06b29.4 ± 6.56b
Table 6 Comparison of antiproliferative effects of EA, HA and HB
GroupRate of apoptosis/%
10-6 Mol/L
10-5 Mol/L
HAEAHBHAEAHB
5 min00047.2 ± 8.7932.7 ± 7.560
6 min32.0 ± 5.640039.1 ± 6.4119.3 ± 4.160
10 min40.2 ± 6.2313.4 ± 3.25045.2 ± 8.4026.4 ± 4.8920.0 ± 4.21
20 min22.6 ± 3.3940.5 ± 8.5813.7 ± 3.0256.6 ± 3.8652.7 ± 11.8213.9 ± 2.87