TABLE 1

Experimental conditions for P450 activity assays


P450

Reaction

Conc. Substrate

Incubation Time

Detection Technique
μM min
1A2 7-Methoxyresorufin O-demethylation (MROD) 10 60 Fluorimetry (Donato et al., 1993)
2A6 Coumarin 7-hydroxylation (COH) 50 60 Fluorimetry (Donato et al., 1998)
2C9 Diclofenac 4′-hydroxylation (D4OH) 300 180 HPLC analysis (Bort et al., 1999)
2C19 Mephenytoin 4′-hydroxylation (M4OH) 200 180 HPLC analysis (Bort et al., 1999)
2E1 Chlorzoxazone 6-hydroxylation (C6OH) 400 180 HPLC analysis (Bort et al., 1999)
3A4 Testosterone 6β-hydroxylation (6β-OHT) 200 60 HPLC analysis (Donato et al., 1995)
Various
7-Ethoxycoumarin O-deethylation (ECOD)
800
60
Fluorimetry (Donato et al., 1999)