Table 1.
UPLC-Q-TOF-MS analysis of identification results of potential biomarkers in serum measured by LC-QTOF/MS.
| No. | RT(a) | Identified Ion (m/z) |
VIP(b) | Adduct | Elemental composition |
Metabolites | Hyperlipidemic group vs control group | AH-treated group vs hyperlipidemic group | ||
|---|---|---|---|---|---|---|---|---|---|---|
| FC(c) | p-value(d) | FC | p-valued | |||||||
| 1 | 0.92 | 219.0271 | 0.238 | [M+H-2H2O]+ | C11H10O7 | Benzoyl meso-tartaric acid | 0.79 | 9.94×10-3 | 0.86 | 6.72×10-2 |
| 2 | 0.93 | 280.0922 | 0.331 | [M+Na]+ | C10H15N3O5 | Pyro-glutaminyl-glutamine | 1.28 | 2.47×10-1 | 0.66 | 3.33×10-2 |
| 3 | 0.94 | 175.1194 | 0.181 | [M+H]+ | C6H14N4O2 | Arginine | 0.73 | 4.12×10-2 | 0.78 | 1.81×10-2 |
| 4 | 0.98 | 203.0148 | 0.153 | [N+2Na-H]+ | C4H6N4O3 | Allantoin | 0.30 | 2.09×10-5 | 0.86 | 4.81×10-1 |
| 5 | 1.02 | 160.0350 | 0.118 | [M+2Na-H]+ | C5H9NO2 | Proline | 1.14 | 4.51×10-1 | 0.68 | 1.81×10-2 |
| 6 | 1.16 | 162.0505 | 0.121 | [M+2Na-H]+ | C5H11NO2 | Betaine | 0.58 | 1.07×10-2 | 0.83 | 2.52×10-1 |
| 7 | 1.63 | 204.1233 | 0.258 | [M+H]+ | C9H17NO4 | Acetylcarnitine | 0.29 | 2.94×10-2 | 0.94 | 8.19×10-1 |
| 8 | 2.14 | 165.0550 | 0.689 | [M+H]+ | C9H8O3 | Phenylpyruvic acid | 0.90 | 4.51×10-1 | 0.58 | 7.35×10-4 |
| 9 | 2.41 | 176.0672 | 0.052 | [M+Na]+ | C8H11NO2 | Dopamine | 0.53 | 1.88×10-4 | 0.79 | 9.45×10-3 |
| 10 | 3.01 | 166.0868 | 0.213 | [M+H]+ | C9H11NO2 | Phenylalanine | 0.67 | 1.65×10-4 | 0.88 | 1.02×10-1 |
| 11 | 3.85 | 144.0811 | 0.406 | [M+H-H2O]+ | C10H11NO | Tryptophanol | 0.65 | 3.82×10-4 | 0.73 | 2.47×10-2 |
| 12 | 3.85 | 188.0714 | 1.400 | [M+H]+ | C11H9NO2 | Indoleacrylic acid | 0.66 | 1.54×10-4 | 0.73 | 1.17×10-2 |
| 13 | 9.54 | 464.2829 | 0.217 | [M+H-2H2O]+ | C26H45NO6S | Tauroursodeoxycholic acid | - | 1.28×10-2 | 0.50 | 2.14×10-1 |
| 14 | 11.13 | 373.2740 | 0.355 | [M+H]+ | C24H40O5 | Cholic acid | 0.16 | 8.01×10-3 | 4.46 | 1.56×10-1 |
| 15 | 13.51 | 468.3094 | 1.539 | [M+H]+ | C22H46NO7P | LysoPC(14:0) | 4.38 | 5.65×10-6 | 0.78 | 2.47×10-2 |
| 16 | 13.85 | 518.3246 | 0.790 | [M+H]+ | C26H48NO7P | LysoPC(18:3) | 5.20 | 3.83×10-8 | 0.72 | 1.29×10-2 |
| 17 | 14.04 | 494.3251 | 1.142 | [M+H]+ | C24H48NO7P | LysoPC(16:1) | 1.28 | 3.28×10-2 | 0.84 | 8.54×10-2 |
| 18 | 14.48 | 482.3246 | 1.325 | [M+H]+ | C23H48NO7P | LysoPC(15:0) | 2.08 | 4.09×10-5 | 0.84 | 3.69×10-2 |
| 19 | 14.98 | 508.3406 | 1.089 | [M+H]+ | C26H54NO6P | LysoPE(20:1) | 2.53 | 2.31×10-7 | 0.79 | 6.29×10-3 |
| 20 | 15.38 | 546.3565 | 3.406 | [M+H]+ | C28H52NO7P | LysoPC(20:3) | 2.66 | 8.03×10-9 | 0.76 | 1.04×10-3 |
| 21 | 16.25 | 510.3562 | 2.007 | [M+H]+ | C25H52NO7P | LysoPC(17:0) | 2.55 | 3.55×10-5 | 0.81 | 3.35×10-2 |
| 22 | 17.12 | 524.3714 | 1.906 | [M+H]+ | C26H52NO7P | LysoPC(18:0) | 1.38 | 5.76×10-4 | 0.92 | 3.13×10-2 |
| 23 | 17.44 | 482.3245 | 1.728 | [M+H]+ | C23H48NO7P | LysoPE(18:0) | 1.48 | 1.59×10-6 | 0.84 | 4.10×10-3 |
| 24 | 21.28 | 734.5687 | 3.244 | [M+H]+ | C40H80NO8P | PC(32:0) | 6.24 | 6.03×10-4 | 0.60 | 2.43×10-1 |
| 25 | 21.73 | 834.6012 | 5.101 | [M+H]+ | C44H88NO8P | PC(36:0) | 4.42 | 1.10×10-2 | 0.77 | 1.19×10-2 |
(a)Retention time.
(b)Variable importance in projection values was obtained from partial least square-discriminant analysis (PLS-DA) model.
(c)Relative levels of metabolites were converted into fold-changes.
(d) p values were calculated from a one-way ANOVA.