Table 3

Methylation frequencies of selected genes in ductal carcinoma in situ and invasive breast tumors

Ductal carcinoma in situ

Stage I tumors

Stage II tumors

Stage III tumors

TLX1

4/6 (67%)

13/16 (81%)

6/8 (75%)

CGI 7:48

3/6 (50%)

14/15 (93%)

7/9 (78%)

8/8 (100%)

HOXB13

3/6 (50%)

13/15 (87%)

8/9 (89%)

8/8 (100%)

HNF1B

3/6 (50%)

11/15 (73%)

5/9 (56%)

5/8 (63%)

GFI1

5/6 (83%)

9/12 (75%)

7/8 (88%)

NR2E1

3/6 (50%)

8/15 (53%)

Tommasi et al. Breast Cancer Research 2009 11:R14   doi:10.1186/bcr2233