TABLE 5

Phase II DMEs

Activities, protein, and mRNA relative levels. Results are relative mean ± S.D.; controls set to 100%; n = 3 for catalytic activities and immunoblotting; n = 4 for mRNA quantification. mRNA quantity expressed as a fold change.

Catalytic ActivitiesImmunoblottingmRNA Quantity
ControlObeseControlObeseControlObese
EnzymeClassIsoform
Liver
UGT1A100.0 ± 1.1167.8 ± 6.7*100.0 ± 8.7232.7 ± 50.8*1.00 ± 0.412.71 ± 0.41*
GST100.0 ± 4.077.7 ± 4.2*GSTA100.0 ± 13.4127.9 ± 9.1*GSTA1/2a1.00 ± 0.102.32 ± 1.80
GSTA31.00 ± 0.200.97 ± 0.30
GSTA41.00 ± 0.291.03 ± 0.23
GSTM100.0 ± 10.4127.7 ± 7.8*GSTM11.00 ± 0.301.47 ± 0.30
GSTM31.00 ± 0.462.38 ± 0.63*
GSTP100.0 ± 6.477.6 ± 13.4*GSTP1/2a1.00 ± 0.300.20 ± 0.10*
Small Intestine
UGT1An.d.n.d.100.0 ± 26.3118.2 ± 43.11.00 ± 0.471.02 ± 0.39
GST100.0 ± 10.499.4 ± 13.0GSTA100.0 ± 5.0162.8 ± 16.5*GSTA1/2a1.00 ± 0.220.75 ± 0.24
GSTA31.00 ± 0.401.50 ± 0.33
GSTA41.00 ± 0.450.84 ± 0.48
GSTM100.0 ± 10.6125.1 ± 15.4GSTM11.00 ± 0.250.86 ± 0.18
GSTM31.00 ± 0.060.81 ± 0.11
GSTP100.0 ± 7.2198.8 ± 65.4*GSTP1/2a1.00 ± 0.290.91 ± 0.12
  • n.d., Not detected.

  • a Two isoforms analyzed together.

  • * Statistically significant (P < 0.05).