Table 4.

Comparison between the expression level of proteins relative to that of β-actin in colon tissue. ^∗P < 0.05: significant compared to the DMH group. All results are expressed as the mean ± standard error. N = 6.

Groups	APC	CEA	PCNA	PDGF
Control	0.99 ± 0.02∗	0.39 ± 0.01∗	0.72 ± 0.03∗	0.89 ± 0.0∗
DMH	0.65 ± 0.06	0.82 ± 0.09	1.49 ± 0.07	1.38 ± 0.05
DMH+MOS	0.80 ± 0.05	0.46 ± 0.04∗	0.75 ± 0.03∗	0.94 ± 0.04∗
DMH+vitamin E	0.68 ± 0.05	0.71 ± 0.04	1.02 ± 0.05∗	0.98 ± 0.11∗