Relationship between metabolomics of T2DM patients and the anti-diabetic effects of Phellodendri Chinensis Cortex-Anemarrhenae Rhizoma herb pair in mice
Jia-Lin Yu , Zhen-Yang Zhang , Sheng-Ping Liu , Hong-Ping Long , Ting-Ting Wang , Feng-Qing Huang , Jia Guo , Wei-Long Xu , Fei Li
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引用次数: 0
Abstract
Ethnopharmacological relevance
Type 2 diabetes mellitus (T2DM) poses significant threats to public health. In Traditional Chinese Medicine (TCM), the Phellodendri Chinensis Cortex-Anemarrhenae Rhizoma (PCC/AR) herb pair has long been used for T2DM treatment, although its specific anti-diabetic mechanisms remain unclear.
Aim of the study
This study aimed to elucidate the relationship between metabolomics of T2DM patients and the anti-diabetic effects of PCC/AR herb pair in mice through clinical metabolomics and both in vitro and in vivo experiments.
Materials and methods
In this study, a T2DM mouse model was established via high-fat feeding (HFD) and streptozotocin (STZ) injection. The effects of PCC/AR on blood glucose, lipid metabolism, and inflammatory markers were evaluated. High-performance liquid chromatography-mass spectrometry (HPLC-MS) was performed for metabolomics analysis of T2DM patients.
Results
Serum metabolomics analysis identified significant alterations in metabolites linked to the biosynthesis of unsaturated fatty acids and purine metabolism in T2DM patients, with elevated 2-hydroxyvaleric acid (2HB) levels. In T2DM mice, PCC/AR intervention normalized FBG, GHbA1c, TC, TG, LDL-C, HDL-C, TNF-α and IL-1β levels, while improving insulin sensitivity and pancreatic β-cell function in T2DM mice. Notably, PCC/AR reduced key enzymes in gluconeogenesis and fatty acid synthesis, PEPCK and ACC1.
Conclusion
PCC/AR herb pair exerts an anti-diabetes effect in T2DM mice by regulating 2HB through ACC1 inhibition, thereby reducing FFA and TG synthesis. Additionally, PCC/AR may also exert its effects by modulating glucose and lipid metabolism and reducing inflammation. These results support further investigation into the PCC/AR herb pair as a complementary therapy for T2DM.
期刊介绍：
The Journal of Ethnopharmacology is dedicated to the exchange of information and understandings about people''s use of plants, fungi, animals, microorganisms and minerals and their biological and pharmacological effects based on the principles established through international conventions. Early people confronted with illness and disease, discovered a wealth of useful therapeutic agents in the plant and animal kingdoms. The empirical knowledge of these medicinal substances and their toxic potential was passed on by oral tradition and sometimes recorded in herbals and other texts on materia medica. Many valuable drugs of today (e.g., atropine, ephedrine, tubocurarine, digoxin, reserpine) came into use through the study of indigenous remedies. Chemists continue to use plant-derived drugs (e.g., morphine, taxol, physostigmine, quinidine, emetine) as prototypes in their attempts to develop more effective and less toxic medicinals.
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