TABLE 3

Comparison of rates of N-deamination for sertraline and N-desmethylsertraline in MAO and human liver microsomes Substrate concentration used was 50 μM.


Enzyme System

Reaction Velocity
Sertraline
N-Desmethylsertraline
Pooled human liver microsomes (pmol/min/nmol P450) 95.8 ± 8.2 29.5 ± 3.6
MAO-A (pmol/min/nmol MAO) 6.04 ± 0.86 3.37 ± 0.76
MAO-B (pmol/min/nmol MAO)
14.4 ± 0.8
8.88 ± 0.76