Chinese Journal of Chromatography ›› 2020, Vol. 38 ›› Issue (2): 206-211.DOI: 10.3724/SP.J.1123.2019.07019
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YIN Chunyuan1,2, SUN Mingqian1, JIN Long1, LIN Li1, MIAO Lan1, LIU Jianxun1,*()
Received:
2019-07-15
Online:
2020-02-08
Published:
2020-12-10
Contact:
LIU Jianxun
Supported by:
YIN Chunyuan, SUN Mingqian, JIN Long, LIN Li, MIAO Lan, LIU Jianxun. Rat serum and heart tissue metabolomics in myocardial ischemia based on liquid chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, 2020, 38(2): 206-211.
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URL: https://www.chrom-china.com/EN/10.3724/SP.J.1123.2019.07019
Group | CK/(U/L) | LDH/(U/L) | CK-MB/(U/L) |
CK: creatine kinase; LDH: lactate dehydrogenase; CK-MB: creatine kinase isoenzyme MB. ** Compared with control group, p<0.01. | |||
Control group | 463±130 | 548±210 | 603±157 |
Model group | 743±139** | 680±267 | 1167±243** |
Table 1 CK, LDH, and CK-MB activity in rats with ISO-induced myocardial ischemia (x±s, n=8)
Group | CK/(U/L) | LDH/(U/L) | CK-MB/(U/L) |
CK: creatine kinase; LDH: lactate dehydrogenase; CK-MB: creatine kinase isoenzyme MB. ** Compared with control group, p<0.01. | |||
Control group | 463±130 | 548±210 | 603±157 |
Model group | 743±139** | 680±267 | 1167±243** |
Fig. 2 PCA and PLS-DA pattern recognition of heart tissue and serum samples of rats PCA: principal component analysis; PLS-DA: differentiation analysis of supervised partial least squares.
No. | m/z | Biomarker | Pathways | Trend* | |
Serum | Heart tissue | ||||
* Change trend compared with control group. | |||||
1 | 89.09 | alanine | alanine, aspartate and glutamate metabolism | ↑ | |
2 | 175.19 | citrulline | arginine and proline metabolism | ↑ | |
3 | 113.12 | creatinine | arginine and proline metabolism | ↓ | |
4 | 131.13 | hydroxyproline | arginine and proline metabolism | ↓ | ↑ |
5 | 132.16 | ornithine | arginine and proline metabolism | ↑ | ↑ |
6 | 161.20 | L-carnitine | carnitine synthesis | ↑ | |
7 | 117.15 | betaine | glycine, serine and threonine metabolism | ↓ | ↑ |
8 | 75.07 | glycine | glycine, serine and threonine metabolism | ↑ | |
9 | 146.14 | glutamine | glutamine and glutamate metabolism | ↓ | ↓ |
10 | 147.13 | glutamate | glutamine and glutamate metabolism | ↓ | |
11 | 105.09 | serine | glutamine and glutamate metabolism | ↑ | |
12 | 188.22 | n6-acetyl-L-lysine | lysine degradation | ↓ | |
13 | 297.33 | 5′-methylthioadenosine | methionine metabolism | ↑ | |
14 | 111.10 | cytosine | pyrimidine metabolism | ↑ | |
15 | 376.36 | riboflavin | riboflavin metabolism | ↓ | ↑ |
16 | 125.15 | taurine | taurine and hypotaurine metabolism | ↓ | ↓ |
17 | 117.15 | indole | tryptophan metabolism | ↓ | |
18 | 117.15 | valine | valine, leucine and isoleucine degradation | ↓ |
Table 2 Differential metabolites in rat serum and heart tissue
No. | m/z | Biomarker | Pathways | Trend* | |
Serum | Heart tissue | ||||
* Change trend compared with control group. | |||||
1 | 89.09 | alanine | alanine, aspartate and glutamate metabolism | ↑ | |
2 | 175.19 | citrulline | arginine and proline metabolism | ↑ | |
3 | 113.12 | creatinine | arginine and proline metabolism | ↓ | |
4 | 131.13 | hydroxyproline | arginine and proline metabolism | ↓ | ↑ |
5 | 132.16 | ornithine | arginine and proline metabolism | ↑ | ↑ |
6 | 161.20 | L-carnitine | carnitine synthesis | ↑ | |
7 | 117.15 | betaine | glycine, serine and threonine metabolism | ↓ | ↑ |
8 | 75.07 | glycine | glycine, serine and threonine metabolism | ↑ | |
9 | 146.14 | glutamine | glutamine and glutamate metabolism | ↓ | ↓ |
10 | 147.13 | glutamate | glutamine and glutamate metabolism | ↓ | |
11 | 105.09 | serine | glutamine and glutamate metabolism | ↑ | |
12 | 188.22 | n6-acetyl-L-lysine | lysine degradation | ↓ | |
13 | 297.33 | 5′-methylthioadenosine | methionine metabolism | ↑ | |
14 | 111.10 | cytosine | pyrimidine metabolism | ↑ | |
15 | 376.36 | riboflavin | riboflavin metabolism | ↓ | ↑ |
16 | 125.15 | taurine | taurine and hypotaurine metabolism | ↓ | ↓ |
17 | 117.15 | indole | tryptophan metabolism | ↓ | |
18 | 117.15 | valine | valine, leucine and isoleucine degradation | ↓ |
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