Detection of OSR2, VAV3, and PPFIA3 Methylation in the Serum of Patients with Gastric Cancer

Table 2

The frequency of promoter hypermethylation of OSR2, VAV3, and PPFIA3 in tissue and serum samples.

	Tissue samples		Serum samples
	GC	PCHNTs	GC	Normal
OSR2	70.8% (34/48)	4% (1/25)	62.5% (30/48)	8% (2/25)
VAV3	54.2% (26/48)	0% (0/25)	45.8% (22/48)	0% (0/25)
PPFIA3	60.4% (29/48)	4% (1/25)	56.3% (27/48)	4% (1/25)

PCHNTs: paired paracancerous histological normal tissues.