TABLE 2

Determination of activities of recombinant UGTs, human liver, and jejunum microsomes (positive control)

Each value represents the mean of duplicate determinations.


Source of UGT

Probe Substrate

UGT Activity
nmol/min/mg protein
UGT1A1 7-HFC 1.49
UGT1A3 7-HFC 2.21
UGT1A4 Trifluoperazine 1.43
UGT1A6 7-HFC 4.42
UGT1A7 7-HFC 12.6
UGT1A8 7-HFC 0.66
UGT1A9 7-HFC 6.49
UGT1A10 7-HFC 0.24
UGT2B4 7-HFC 0.47
UGT2B7 7-HFC 3.69
UGT2B15 7-HFC 3.73
UGT2B17 7-HFC 0.11
Human liver 7-HFC 62.2
Human jejunum
7-HFC
19.1