TABLE 1

Transporter mRNA expression levels (relative to GAPDH) in cultured epithelial cells

Results are n = 3 repeats.

Cell LineBCRP (ABCG2)bcrp1 (abcg2)MRP4 (ABCC4)
WT-MDCKII0.71 ± 0.16
bcrp1-MDCKII0.02 ± 0.013803.80 ± 504.12
BCRP-MDCKII20389.59 ± 377.91
WT-HEK2930.42 ± 0.05
MRP4-HEK29394.67 ± 2.39
Low PA Caco-226.87 ± 0.692.12 ± 0.18
High PA Caco-20.43 ± 0.080.08 ± 0.01