marginally significantP = 0.054
Of the serious tumors, DNMT3a protein expression was significantly higher than that in benign tumor samples ( P = 0.001); DNMT3b was marginally significant down regulated in ovarian cancers compared to that of the benign tumors ( P = 0.054); DNMT1 expression has no statistical difference between ovarian cancers and benign tumor tissues ( P = 0.837).