Table II.
STI score | STI 0 | STI 1 | STI 2 | STI 3 | |
Non-smokers, vehicle only (n = 3, mean ± SE) | 69.0 ± 2.3 | 36.0 ± 3.74 | 59.0 ± 4.8 | 5.0 ± 1.4 | 0.0 ± 0 |
Smokers, vehicle only (n = 3, mean ± SE) | 182.0 ± 15.2 | 3.0 ± 1.87 | 37.0 ± 5.3 | 35.0 ± 3.0 | 25.0 ± 10.0 |
P-value | 0.050 | 0.050 | 0.046 | 0.050 | 0.037 |
Non-smokers, B[a]P treated (n = 3, mean ± SE) | 186.0 ± 5.1 | 0.0 ± 0 | 34.0 ± 3.0 | 46.0 ± 3.9 | 20.0 ± 4.3 |
Smokers, B[a]P treated (n = 3, mean ± SE) | 216.0 ± 9.4 | 0.0 ± 0 | 22.0 ± 3.2 | 40.0 ± 5.0 | 38.0 ± 8.3 |
P-value | 0.050 | 1.000 | 0.050 | 0.275 | 0.127 |
Staining intensity levels (STI ± SE) and statistical differences (P-values) are shown for sperm samples treated for 1 h with 40 μM B[a]P plus S9 mix, or vehicle alone and analysed with a monoclonal antibody to detect DNA adducts.