Protective Effect of Melatonin Against Mitomycin C-Induced Genotoxic Damage in Peripheral Blood of Rats

Table 1

The ratio of polychromatic erythrocytes/normochromatic erythrocytes (PCE/NCE) in rat peripheral blood after 0, 24, 48, 72, and 96 hours in the four treatment groups

Treatment	PCE/NCE ratio (mean ± standard error)
	0 hour	24 hours	48 hours	72 hours	96 hours
Control	2.34 ± 0.05	2.13 ± 0.06	2.34 ± 0.02	2.28 ± 0.08	2.22 ± 0.03
aMT	2.35 ± 0.07	2.35 ± 0.07	2.19 ± 0.07	2.23 ± 0.03	2.30 ± 0.03
MMC	2.22 ± 0.06	2.13 ± 0.03	2.11 ± 0.10	2.20 ± 0.06	2.10 ± 0.09
MMC + aMT	1.95 ± 0.04	2.09 ± 0.07	2.05 ± 0.02	2.10 ± 0.07	2.16 ± 0.05

MMC: mitomycin C; aMT: melatonin