Article ; Online: Integrated UHPLC-MS untargeted metabolomics and gut microbe metabolism pathway-targeted metabolomics to reveal the prevention mechanism of Gushudan on kidney-yang-deficiency-syndrome rats.
Journal of pharmaceutical and biomedical analysis
2024 Volume 242, Page(s) 116062
Abstract: Gushudan (GSD) was a traditional Chinese prescription with the remarkable effect of kidney-tonifying and bone-strengthening. However, the potential prevention mechanisms of the GSD on kidney-yang-deficiency-syndrome (KYDS) and its regulation on gut ... ...
| Abstract | Gushudan (GSD) was a traditional Chinese prescription with the remarkable effect of kidney-tonifying and bone-strengthening. However, the potential prevention mechanisms of the GSD on kidney-yang-deficiency-syndrome (KYDS) and its regulation on gut microbe metabolism still need to be further systematically investigated. This study established untargeted urinary metabolomics based on RP/HILIC-UHPLC-Q-Orbitrap HRMS and combined with multivariate statistical analysis to discover differential metabolites and key metabolic pathways. And the gut microbe metabolism pathway-targeted metabolomic based on HILIC-UHPLC-MS/MS was developed and validated to simultaneously determine 15 gut microbe-mediated metabolites in urine samples from the control group (CON), KYDS model group (MOD), GSD-treatment group (GSD) and positive group (POS). The results showed that a total of 36 differential metabolites were discovered in untargeted metabolomics. These differential metabolites included proline, cytosine, butyric acid and nicotinic acid, which were primarily involved in the gut microbe metabolism, amino acid metabolism, energy metabolism and nucleotide metabolism. And GSD played a role in preventing KYDS by regulating these metabolic pathways. The targeted metabolomics found that the levels of 10 gut microbe-mediated metabolites had significant differences in different groups. Among them, compared with the CON group, the levels of lysine, tryptophan, phenylacetylglycine and hippuric acid were increased in the MOD group, while the levels of threonine, leucine, dimethylamine, trimethylamine, succinic acid and butyric acid were decreased, which verified the disorders of gut microbe metabolism in the KYDS rats and GSD had a significant regulatory effect on this disorder. As well as by comparing analysis, it was found that the experimental results were consistent with previous metabolomics and microbiomics of fecal samples. Therefore, this integrated strategy of untargeted and targeted metabolomics not only elucidated the potential prevention mechanism of GSD on KYDS, but also provided a scientific basis for GSD preventing KYDS via the "gut-kidney" axis. |
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| MeSH term(s) | Rats ; Animals ; Tandem Mass Spectrometry ; Chromatography, High Pressure Liquid/methods ; Butyric Acid ; Gastrointestinal Microbiome ; Metabolomics/methods ; Drugs, Chinese Herbal/pharmacology ; Yang Deficiency/metabolism ; Kidney/metabolism ; Biomarkers/metabolism |
| Chemical Substances | gushudan ; Butyric Acid (107-92-6) ; Drugs, Chinese Herbal ; Biomarkers |
| Language | English |
| Publishing date | 2024-02-20 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 604917-5 |
| ISSN | 1873-264X ; 0731-7085 |
| ISSN (online) | 1873-264X |
| ISSN | 0731-7085 |
| DOI | 10.1016/j.jpba.2024.116062 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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