Table 1.

Frequency of promoter hypermethylation in cervical carcinoma

			Gene
Specimen type	No. studied	Any gene	CDH1	DAPK	RARB	HIC1	FHIT	RASSF1A	APC	CDKN2A	MGMT	BRCA1	TP73	TIMP3	GSTP1	MLH1
Controls	8	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
CC cell lines	8	8 (100)	1 (12.5)	2 (25)	6 (75)	5 (62.5)	1 (12.5)	3 (37.5)	0	1 (12.5)	2 (25)	0	2 (25)	0	1 (12.5)	1 (12.5)
Primary tumors	82	71 (86.6)	45 (54.9)	37 (45.1)	24 (29.3)	15 (18.3)	9 (11)	6 (7.3)	9 (11)	7 (8.5)	4 (4.9)	5 (6.1)	0	1 (1.2)	0	0

Figures in parenthesis indicate percentage