Table 1 Expression of PDGF family members in cervical cancer cell lines.

From: Expression of platelet derived growth factor family members and the potential role of imatinib mesylate for cervical cancer

Cell line	PDGFRα	PDGFA	PDGFRβ	PDGFB
C33A	+	-	-	+
INBI	+	-	-	+
ViPa	+	-	-	+
ViBo	+	-	-	+
HeLa	+	+	-	-
SiHa	+	+	-	-
CaLo	+	+	-	+
CasKi	+	+	-	-

Cell lines were analyzed by immunocytochemistry. CaLo cells co-expressed the receptor alpha and both ligands. Positivity was considered when 5% or more of the cell population stained.

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