To explore the prevention and protection effect of Diosocorea nipponica (DNM)) on acute gouty arthritis (AGA) rats based on liver metabonomics, and find potential biomarkers and related pathways. AGA model rats were induced by monosodium urate crystal suspension. UPLC-TOF-MS coupled with pattern recognition technique was employed to find out the potential biomarkers and related metabolic pathways. Eleven common potential biomarkers were identified. Among the potential intervention targets in normal rats given by DNM, 4 biomarkers were up-regulated, and the other 4 targets were down regulated. Among the potential intervention targets in AGA rats given by DNM, 5 metabolites were up-regulated by MSU and 5 metabolites were down regulated. The abnormal expression levels of adenosine monophosphate, 5-methyltetrahydrofolic acid, oxidized glutathione, hypoxanthine, docosahexaenoic acid, glutathione, uridine diphosphate glucose and inosine could be corrected by DNM extract. Three pathways were founded with greatest correlation, including purine metabolism, starch and sucrose metabolism and glutathione metabolism. Therefore, it could be inferred that D. nipponica has the effect for anti-acute gouty arthritis by intervening endogenous metabolites from the liver under physiological condition and acute gouty arthritis condition.
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