|
|
TABLE 1
CYP isoform characterization of individual HLM pools
|
|
| Isoform |
Probe |
Batch
1 |
Batch 2 |
Batch 3 |
|
|
|
pmol/min/mg |
| P450 content |
CO
difference
spectrum |
320a |
280a |
430a |
| P450 reductase |
Cytochrome c
reduction |
69000 |
84000 |
75000 |
| CYP |
7-Ethoxycoumarin
O-demethylation |
255 |
210 |
240 |
| CYP1A2 |
Phenacetin O-dethylation |
366 |
310 |
193 |
| CYP2A6 |
Coumarin 7-hydroxylation |
17200 |
81900 |
58600 |
| CYP2E1 |
Chlorzoxazone 6-hydroxyline |
1010 |
1911 |
1441 |
| CYP2C |
Mephenytoin 4-hydroxylation |
27 |
233 |
11 |
| CYP2D6 |
Dextromethorphan
O-demethylation |
200 |
84 |
106 |
| CYP3A |
Testosterone 6 -hydroxylation |
2600 |
1500 |
1900 |
| CYP4A |
Lauric acid
11-hydroxylation |
1000 |
1600 |
1600 |
|
|
a
Picomoles of CYP per
milligram of microsomal protein.
|