Table 3.

Total DNA damage score (Comet assay) and the levels of 8-OH-dG adducts (as pg/ml) in cultured rat cortical neurons maintained in the presence of different CSV concentrations for 24 h. The abbreviations are as in Fig. 4

Concentrations (μg/ml)	CSV
	Total DNA damage score	8-OH-dG level
Control	35.4 ± 5.3a	0.9 ± 0.1a
6.25	36.3 ± 5.1a	0.9 ± 0.2a
12.5	36.0 ± 5.4a	1.0 ± 0.1a
25	35.9 ± 5.5a	1.1 ± 0.3a
50	37.3 ± 4.6a	1.0 ± 0.1a
100	37.8 ± 5.1a	1.0 ± 0.2

The same column followed by the different superscript letters present significant differences at the p < 0.05 level