TABLE 1

Selectivity of chemical inhibitors against probe substrates


Substrate (1 μM)

Effect of Inhibitor (Mean % Inhibition)
10 μM Furafylline
10 μM Sulfaphenazole
3 μM Benzylnirvanol
1 μM Quinidine
1 μM Ketoconazole
Phenacetin >81.3 15.2 20.5 1.4 17.0
Diclofenac 20.6 >92.9 7.5 0 12.9
S-Mephenytoin 6.1 5.8 98.6 7.0 5.0
Dextromethorphan 17.4 5.7 7.4 90.4 15.6
Midazolam
0
0
4.3
3.3
87.4