Table 2.
Potential biomarkers identification.
| No. | m/z | Compound | Chemical Formula | Adducts | HMDB ID | Trend* |
|---|---|---|---|---|---|---|
| 1 | 524.370 | Platelet-activating factor | C26H54NO7P | M+H | HMDB0062195 | ↑ |
| 2 | 496.338 | LysoPC(16:0) | C24H50NO7P | M+H | HMDB0010382 | ↑ |
| 3 | 520.337 | LysoPC(18:2) | C26H50NO7P | M+H | HMDB0010386 | ↑ |
| 4 | 522.354 | LysoPC(18:1) | C26H52NO7P | M+H | HMDB0002815 | ↑ |
| 5 | 550.385 | LysoPC(20:1) | C28H56NO7P | M+H | HMDB10391 | ↑ |
| 6 | 544.340 | LysoPC(20:4) | C28H50NO7P | M+H | HMDB10395 | ↑ |
| 7 | 835.528 | PI(18:0/16:2) | C43H79O13P | M+H | HMDB09807 | ↑ |
| 8 | 613.393 | Cholestane-3,7,12,25-tetrol-3-glucuronide | C33H56O10 | M+H | HMDB10355 | ↑ |
| 9 | 782.570 | PC(18:3/18:1) | C44H80NO8P | M+H | HMDB0008170 | ↓ |
| 10 | 806.571 | PC(22:5/16:1) | C46H80NO8P | M+H | HMDB0008660 | ↓ |
| 11 | 810.601 | PC(20:4/18:0) | C46H84NO8P | M+H | HMDB0008464 | ↓ |
| 13 | 806.561 | Lactosylceramide (d18:1/12:0) | C42H79NO13 | M+H | HMDB04866 | ↓ |
| 14 | 313.155 | Phenylalanylphenylalanine | C18H20N2O3 | M+H | HMDB13302 | ↓ |
*The trend was psoriasis groups compared to healthy control group.
Fourteen significant difference metabolites were screened out to be the potential biomarkers according to the value of variable importance for projection (VIP) value in PLS-DA model.