Table 1.

Monoamine levels in PFC of LD24 controls and LD22 aligned desynchronized rats.

SubstanceLD24LD22Two-way ANOVA
LightDarkLightDarkGroupPhaseInteraction
Monoamine (pg/μg protein)
NE4.33 ± 0.675.78 ± 0.706.48 ± 0.536.39 ± 0.66F1,28 = 4.49; p = 0.04F1,28 = 1.10; p = 0.3F1,28 = 1.39; p = 0.2
DA1.08 ± 0.161.48 ± 0.131.82 ± 0.211.96 ± 0.21F1,28 = 10.21; p = 0.003F1,28 = 2.00; p = 0.2F1,28 = 0.44; p = 0.5
5-HT12.00 ± 1.7917.00 ± 1.1314.86 ± 0.9615.40 ± 1.13F1,15 = 0.24; p = 0.6F1,15 = 4.60; p = 0.05F1,15 = 2.97; p=0.1
Metabolite (pg/μg protein)
MHPG0.39 ± 0.060.37 ± 0.030.48 ± 0.030.41 ± 0.04F1,28 = 3.03; p = 0.09F1,28 = 1.17; p = 0.3F1,28 = 0.38; p=0.5
DOPAC1.12 ± 0.230.89 ± 0.141.41 ± 0.141.19 ± 0.30F1,27 = 2.34; p = 0.1F1,27 = 1.43; p = 0.2F1,27 = 0.01; p = 0.9
HIAA5.25 ± 0.155.82 ± 0.5010.26 ± 1.248.22 ± 0.49F1,15 = 10.52; p = 0.006F1,15 = 0.41; p = 0.5F1,15 = 1.30; p = 0.3
Turnover
NE (MHPG/NE)0.09 ± 0.010.07 0.010.08 ± 0.010.07 ± 0.01F1,28 = 0.89; p = 0.4F1,28 = 3.36; p = 0.08F1,28 = 1.53; p = 0.2
DA (DOPAC/DA)1.06 ± 0.200.58 ± 0.090.86 ± 0.130.79 ± 0.18F1,28 = 0.0006; p = 0.98F1,28 = 3.12; p = 0.09F1,28 = 0.20; p = 0.2
5HT (HIAA/5HT)0.44 ± 0.010.35 ± 0.040.69 ± 0.060.54 ± 0.04F1,15 = 12.80; p = 0.003F1,15 = 3.96; p = 0.07F1,15 = 0.22; p = 0.6
  • Levels (pg/µg of protein) of monoamines and their metabolites are shown as mean ± SE. Turnover is shown as the ratio of each metabolite over each respective monoamine. The main effects of the two-way ANOVA are shown. Values in bold are significant.