Table 2.
Overview plasma markers analyzed in the present study
| Category | Metabolite | Abbreviation | Concentration units |
|---|---|---|---|
| Inflammation | C-reactive protein | CRP | µg/mL |
| Neopterin | Neopt | nmol//L | |
| Serum amyloid A (total) | SAAt | µg/mL | |
| Serum amyloid A isoforms 1.1, 1.1dr, 1.1drs, 1.2, 1.2dr, 1.2drs, 1.3, 1.3drs, 2.1, 2.1dr, 2.1drs, 2.2, 2.2dr, 2.2drs | SAAvar | μg/mL | |
| Calprotectin (total) | S100At | µg/mL | |
| isoform S100A8 | S100A8 | µg/mL | |
| isoform S100A9 | S100A9 | µg/mL | |
| Kynurenines | Kynurenine/tryptophan ratio | KTR | |
| Kynurenine | Kyn | nmol/L | |
| Tryptophan | Trp | µmol/L | |
| Kynurenic acid | KA | nmol/L | |
| Xanthurenic acid | XA | nmol/L | |
| Anthranilic acid | AA | nmol/L | |
| 3-Hydroxyanthranilic acid | HAA | nmol/L | |
| Picolinic acid | Pic | nmol/L | |
| 3'-Hydroxykynurenine | HK | nmol/L | |
| Quinolinic acid | QA | nmol/L | |
| Vitamin B1 | Thiamine | Thi | nmol/L |
| Thiamine monophosphate | TMP | nmol//L | |
| Vitamin B2 | Riboflavin | Ribo | nmol//L |
| Flavin mononucleotide | FMN | nmol//L | |
| Vitamin B3 | Nicotinic acid | NA | nmol/L |
| Nicotinamide | NAM | nmol/L | |
| N1-methylnicotinamide | mNAM | nmol/L | |
| Vitamin B6 | Pyridoxal activation ratio; PA/(PLP + PL) | PAr | nmol//L |
| Pyridoxal 5'-phosphate | PLP | nmol//L | |
| Pyridoxal | PL | nmol//L | |
| 4-Pyridoxic acid | PA | nmol//L | |
| Intestinal mucosa injury | Intestinal fatty acid-binding protein-2 | iFABP | pg/mL |
| Regenerating islet-derived protein III-alpha | Reg3a | pg/mL |