Table 4 Levels of tryptophan metabolites in sera (mean ± SD)
| Â | IS group | VEH group | p-value |
|---|---|---|---|
L-TRP (µg/mL) | 8.89 ± 1.45 | 9.09 ± 2.13 | 0.85 |
5-HT (µg/mL) | 2.01 ± 0.32 | 1.79 ± 0.19 | 0.19 |
NAS (ng/mL) | 1.05 ± 0.42 | 0.89 ± 0.58 | 0.59 |
5-HIAA (ng/mL) | 16.8 ± 5.21 | 13.2 ± 7.59 | 0.36 |
L-KYN (µg/mL) | 0.50 ± 0.15 | 0.49 ± 0.14 | 0.96 |
KYNA (ng/mL) | 9.86 ± 11.1 | 15.3 ± 14.8 | 1.00 |
XA (ng/mL) | 26.1 ± 4.64 | 29.0 ± 12.6 | 0.62 |
IAA (µg/mL) | 0.10 ± 0.03 | 0.11 ± 0.04 | 0.58 |
IAld (ng/mL) | 1.08 ± 0.70 | 1.28 ± 0.57 | 0.39 |
IEt (ng/mL) | 1.18 ± 1.67 | 1.10 ± 0.95 | 0.45 |
ILA (ng/mL) | 29.5 ± 5.12 | 31.9 ± 7.71 | 0.54 |
IA (ng/mL) | 30.6 ± 19.4 | 38.5 ± 13.9 | 0.44 |
IPA (µg/mL) | 0.42 ± 0.26 | 0.82 ± 0.56 | 0.15 |