Figure 1From: Promoter methylation of Wnt-antagonists in polypoid and nonpolypoid colorectal adenomas Promoter methylation status in normal colon mucosa and in colorectal cancer cell lines. Scatter plots of the levels of SFRP2, WIF-1, DKK3, SOX17 methylation. On the y-axes levels of DNA methylation are shown. The median is indicated with a black line. Asterisks indicate a statistical significant difference.Back to article page