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. 2013 Sep 3;1(1):e00002. doi: 10.1002/prp2.2

Table 2.

Kinetic parameters of S-naproxen glucuronidation in liver microsomes

Liver microsomes Equation Km (μmol/L) Vmax (nmol/min/mg) Clearance (CLint) (μL/min/mg)
Humanized UGT1 mice Michaelis–Menten 465 ± 14 5.60 ± 0.09 12.0 ± 0.2
Human Michaelis–Menten 308 ± 30 1.72 ± 0.11 5.6 ± 0.2
Regular mice Michaelis–Menten 703 ± 54 10.0 ± 0.4 14.2 ± 0.5