Table 1.

Immunohistochemical assays of HCC markers in cell blocks of human liver cancer cell lines spiked to normal peripheral blood

Cell line	CK	EpCAM	EMA	CK18	HepParl	Glypican3	AFP
SNU-182	+	+	-	+	-	+	+
Huh7	+	+	-	+	-	+	+
HepG2	+	+	-	+	-	+	+
PLC/PRF5	-	-	-	+	+	+	+
SNU-387	-	+	+	+	-	-	-
SNU-449	-	-	-	+	-	-	-

HCC, hepatocellular carcinoma; CK, cytokeratin; EpCAM, epithelial cell adhesion molecule; EMA, epithelial membrane antigen; AFP, α-fetoprotein.