Table I.

Primary antibodies used in western blotting.

Name	Cat. no.	Dilution	Supplier
VASH1	Ab199732	1:300	Abcam, Cambridge, UK
P-gp	Ab170904	1:400	Abcam, Cambridge, UK
phospho-ERK1/2	AF1018	1:1,000	Cell Signaling Technology, Inc., Danvers, MA, USA
ERK1/2	AF1576	1:1,000	Cell Signaling Technology, Inc., Danvers, MA, USA
phospho-AKT	AF887	1:1,000	Cell Signaling Technology, Inc., Danvers, MA, USA
AKT	AF2055	1:1,000	Cell Signaling Technology, Inc., Danvers, MA, USA
GAPDH	Ab9485	1:4,000	Abcam, Cambridge, UK

VASH, Vasohibin; P-gp, p-glycoprotein; phospho, phosphorylated; ERK, extracellular signal-related kinase; AKT, protein kinase B.