Table 2

Lymphoblast RAF estimates for CYPs 1A2, 2B6, 2C8, 2C9, 2C19, 2D6, and 3A4 in human liver microsomes and SUPERMIX

CYP IsoformRAF for Human LiversRAF for SUPERMIX
1A2 123.7 217.3
(57–282)
[101–152]
2B6 160.5 0
(18–756)
[30–555]
2C8 79.2 194.5
(21–179)
[51–119]
2C9 53.5 169
(33–78)
[49–57]
2C19 29 20.8
(4–45)
[20–40]
2D6 8.0 22.6
(3–30)
[6–13]
3A4 254.1 291
(101–1050)
[165–583]

n = 12 human livers for CYPs 1A2, 2B6, 2C8, 2C9, and 3A4; n = 10 human livers for CYP2C19 (poor metabolizer livers L11 and L12 excluded); n = 11 human livers for CYP2D6 (poor metabolizer liver L8 excluded). Bolded table entries are sample medians, with range of values in parentheses and interquartile range in brackets. RAF values are in picomoles per milligram of microsomal protein.