Analysis report
Laboratory for Mass Spectrometry and Metabolomics (ZHU LAB)
IRCBC, Chinese Academy of Sciences, Shanghai, China.
2018-01-18
INTRODUCTION
MetDNA (version 0.99.16): Created in 2018 by Xiaotao Shen, Xin Xiong and Ruohong Wang from Dr. Zheng-Jiang Zhu lab, Chinese Academy of Sciences.
PARAMETERS
Table 1: Parameter setting
| Patameter | Setting |
|---|---|
| Ionization Polarity | Both |
| Liquid Chromatograph | HILIC |
| MS Instrument | Sciex TripleTOF |
| Collision energy | 30 |
| Control Group | 24W |
| Case Group | 78W |
| Univariate Statistics | Student t-test |
| Species | Mus musculus (mouse) |
| Cutoff of P-value | 0.05 |
| P-value Adjustment | No |
SAMPLE INFORMATION
Figure 1: Peak intensity profile for positive mode (left panel) and negative mode (right panel).
METABOLITE IDENTIFICATION
Figure 2: The number of identified metabolites (left panel) and peak and metabolite redundancy (right panel). (Positive mode)
Figure 3: The number of identified metabolites (left panel) and peak and metabolite redundancy (right panel). (Negative mode)
Figure 4: The confidence levles of identified metabolites. (Positive mode)
Figure 5: The confidence levles of identified metabolites. (Negative mode)
PATHWAY ENRICHMENT ANALYSIS
Figure 6: Volcano plot (left panel) and summary of enriched pathways (right panel).
Table 2: The detailed information of enriched pathways.
| Pathway name | Pathway ID | P value | P value (FDR adjust) | Pathway size | Overlap (%) |
|---|---|---|---|---|---|
| Galactose metabolism | mmu00052 | 0.0000000 | 0.0000005 | 46 | 65.21739 |
| Fructose and mannose metabolism | mmu00051 | 0.0000000 | 0.0000005 | 54 | 61.11111 |
| Histidine metabolism | mmu00340 | 0.0000250 | 0.0006758 | 47 | 53.19149 |
| Starch and sucrose metabolism | mmu00500 | 0.0001226 | 0.0024835 | 37 | 54.05405 |
| Pentose and glucuronate interconversions | mmu00040 | 0.0002289 | 0.0030897 | 55 | 47.27273 |
| Nicotinate and nicotinamide metabolism | mmu00760 | 0.0002289 | 0.0030897 | 55 | 47.27273 |
| Arginine and proline metabolism | mmu00330 | 0.0003507 | 0.0040582 | 77 | 42.85714 |
| Pentose phosphate pathway | mmu00030 | 0.0006025 | 0.0054223 | 35 | 51.42857 |
| Phenylalanine, tyrosine and tryptophan biosynthesis | mmu00400 | 0.0006025 | 0.0054223 | 35 | 51.42857 |
| Valine, leucine and isoleucine biosynthesis | mmu00290 | 0.0011276 | 0.0091339 | 23 | 56.52174 |
| Tyrosine metabolism | mmu00350 | 0.0023597 | 0.0173758 | 78 | 39.74359 |
| Vitamin B6 metabolism | mmu00750 | 0.0034417 | 0.0231596 | 28 | 50.00000 |
| Pyruvate metabolism | mmu00620 | 0.0037170 | 0.0231596 | 31 | 48.38710 |
| Amino sugar and nucleotide sugar metabolism | mmu00520 | 0.0052833 | 0.0296690 | 108 | 36.11111 |
| Glycine, serine and threonine metabolism | mmu00260 | 0.0054943 | 0.0296690 | 50 | 42.00000 |
| Purine metabolism | mmu00230 | 0.0059495 | 0.0301194 | 92 | 36.95652 |
| Tryptophan metabolism | mmu00380 | 0.0091782 | 0.0433356 | 81 | 37.03704 |
| One carbon pool by folate | mmu00670 | 0.0096301 | 0.0433356 | 9 | 66.66667 |
| Ascorbate and aldarate metabolism | mmu00053 | 0.0129737 | 0.0553091 | 47 | 40.42553 |
| Butanoate metabolism | mmu00650 | 0.0180726 | 0.0731938 | 42 | 40.47619 |
| Caffeine metabolism | mmu00232 | 0.0195371 | 0.0753573 | 21 | 47.61905 |
| Glycolysis / Gluconeogenesis | mmu00010 | 0.0270516 | 0.0995990 | 31 | 41.93548 |
| Lysine biosynthesis | mmu00300 | 0.0340176 | 0.1198010 | 35 | 40.00000 |
| beta-Alanine metabolism | mmu00410 | 0.0355123 | 0.1198541 | 32 | 40.62500 |
| Arginine biosynthesis | mmu00220 | 0.0388689 | 0.1259351 | 23 | 43.47826 |