TABLE 1

Fraction excreted (fe, Bile) by the ablated transport pathway in each animal model and the corresponding experimentally observed fold change in biliary recovery

Please note that fe, Bile values for canalicular transporters pumping directly into the bile were calculated using eq. 4.1, whereas fe, Bile for basolateral transporters pumping in the opposite direction (into perfusate) were calculated using eq. 5.1. Positive fold Δ values indicate an increase in exposure, whereas decreased exposure is denoted by a negative fold Δ value. All data points were calculated using mean values reported in the literature (Takenaka et al., 1995; Xiong et al., 2002; Nezasa et al., 2006; Zamek-Gliszczynski et al., 2006b,c).


Metabolite

Mrp2-Deficient Rat

Mrp2-Knockout Mouse

Bcrp-Knockout Mouse

P-gp-Knockout Mouse

Mrp3-Knockout Mouse

Mrp4-Knockout Mouse
fe, Bile
Fold Δ
fe, Bile
Fold Δ
fe, Bile
Fold Δ
fe, Bile
Fold Δ
fe, Bile
Fold Δ
fe, Bile
Fold Δ
AS 0.85 -3.4 0.00 1.2 0.87 -5.8 0.00 1.6 0.17 1.8 0.21 -1.0
AG 0.99 -511.8 0.10 -2.5 0.86 -4.5 0.29 1.5 0.96 7.3 0.00 1.4
4MUS ND ND 0.00 1.0 1.00 -631.3 0.00 1.1 0.35 1.4 0.44 -1.0
4MUG ND ND 0.33 -2.0 0.73 -2.1 0.00 1.3 0.77 5.4 0.00 1.2
HS ND ND 0.00 1.1 0.99 -66.4 0.00 1.1 0.13 1.2 0.21 -1.2
HG ND ND 0.21 -1.0 0.96 -15.0 0.09 1.2 0.26 1.6 0.09 1.3
CDF ND ND 1.00 -1740.7 0.00 1.4 ND ND ND ND ND ND
E3040S 0.00 1.2 ND ND ND ND ND ND ND ND ND ND
E3040G
0.97
-36.5
ND
ND
ND
ND
ND
ND
ND
ND
ND
ND
  • P-gp, P-glycoprotein; AS, acetaminophen sulfate; AG, acetaminophen glucuronide; 4MUS, 4-methylumbelliferyl sulfate; HS, harmol sulfate; HG, harmol glucuronide; CDF, carboxydichlorofluorescein; E3040S, E3040 sulfate; E3040G, E3040 glucuronide; ND, not determined.