Table 1.

The frequencies of promoter methylation of 40 tumor suppressor genes between ovarian cysts and ovarian cancer cell lines

Gene name	Group 1	Group 2	p-value	Gene name	Group 1	Group 2	p-value
	number of methylation cases/all cases	Number of methylation cell lines/all cell lines			number of methylation cases/all cases	Number of methylation cell lines/all cell lines
TP73	0/31	0/6		HIC1	0/31	0/6
CASP8	0/31	0/6		BRCA1	0/31	0/6
VHL	0/31	0/6		TIMP3	6/31	2/6
RARB*	0/31	1/6	0.0212	PRDM2	0/31	0/6
MLH1	0/31	0/6		RUNX3	0/31	3/6	<0.0001
RASSF1A	0/31	5/6	<0.0001	RARB**	0/31	0/6
FHIT	0/31	2/6	0.0009	HLTF	0/31	0/6
APC	0/31	0/6		SCGB3A1	4/31	6/6	<0.0001
ESR1	0/31	1/6	0.0212	ID4	0/31	4/6	<0.0001
CDKN2A	1/31	0/6		TWIST1	0/31	0/6
CDKN2B	8/31	1/6		SFRP4	0/31	2/6	0.0009
DAPK1	0/31	1/6	0.0212	DLC1	1/31	0/6
PTEN	0/31	1/6	0.0212	DLC2	1/31	0/6
CD44	0/31	0/6		SFRP5	0/31	5/6	<0.0001
GSTP1	0/31	1/6	0.0212	BNIP3	1/31	0/6
ATM	0/31	0/6		H2AFX	0/31	0/6
IGSF4	0/31	1/6	0.0212	CCND2	2/31	6/6	<0.0001
CDKN1B	1/31	0/6		CACNA1G	0/31	1/6	0.0212
CHFR	0/31	0/6		TGIF	0/31	0/6
BRCA2	0/31	0/6		BCL2	0/31	0/6
CDH13	0/31	2/6	0.0009	CACNA1A	0/31	3/6	<0.0001

Note: Group 1: ovarian cysts; Group 2: ovarian cancer cell lines;

^*Probe 1: RARB (L10900);

^**Probe 2: RARB (L1698).