Analytical biochemistry · 2025
Multi-disciplinary combination to explore the laxation mechanism of Rhei Radix et Rhizoma and Magnoliae Officinalis Cortex.
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Wan Meiyu, Wang Yu, Liu Meijuan, Zhou Wenwen, Zhang Xiaoxiao, Wang Mingyang, Jiang Shu, Shang Erxin, Duan Jinao
Аннотация
BACKGROUND: The combination of Rhei Radix et Rhizoma (RR) and Magnoliae Officinalis Cortex (MO) has been used to treat constipation for thousands of years. However, the synergistic mechanism of two herbs to exert the laxative effects is still unclear.
MATERIALS AND METHODS: In this study, the constipation rat model was successfully induced by loperamide hydrochloride, which was applied to systematically and comprehensively evaluate the effect of RR and MO in ameliorating the constipation. Additionally, network pharmacology, molecular docking and UPLC-Q-TOF/MS-based metabolomics were integrated to uncover the potential mechanism of the compatibility of RR and MO. And MetaboAnalyst and MetaScape jointly analyze the metabolic pathways involved in network pharmacology targets and metabolomics metabolites, selecting key metabolic pathways.
RESULTS: In terms of physiological and biochemical level, the laxative effect of RR and MO was significantly better than that of single herb. The results of network pharmacology and molecular docking showed that RR and MO could improve the constipation through multi-components, multi-targets and multi-pathways. Moreover, metabolomics indicated that the disrupted metabolic profile in plasma of model rats was markedly reversed by the combination treatment of RR and MO. Additionally, after a comprehensive analysis of 9 metabolites and 124 targets, arachidonic acid was selected as the most critical pathway. The results showed that the herb pair could relieve constipation through arachidonic acid pathway and inhibited the levels of PTGS2 and PLA2G2A protein in this pathway.
CONCLUSION: This study revealed the synergistic effect of the combination of RR and MO in improving the constipation from the perspective of bioinformatics and metabolomics. Furthermore, the integrated method of multi-omics could contribute to exploring the potential compatibility mechanism of traditional Chinese medicines.
MATERIALS AND METHODS: In this study, the constipation rat model was successfully induced by loperamide hydrochloride, which was applied to systematically and comprehensively evaluate the effect of RR and MO in ameliorating the constipation. Additionally, network pharmacology, molecular docking and UPLC-Q-TOF/MS-based metabolomics were integrated to uncover the potential mechanism of the compatibility of RR and MO. And MetaboAnalyst and MetaScape jointly analyze the metabolic pathways involved in network pharmacology targets and metabolomics metabolites, selecting key metabolic pathways.
RESULTS: In terms of physiological and biochemical level, the laxative effect of RR and MO was significantly better than that of single herb. The results of network pharmacology and molecular docking showed that RR and MO could improve the constipation through multi-components, multi-targets and multi-pathways. Moreover, metabolomics indicated that the disrupted metabolic profile in plasma of model rats was markedly reversed by the combination treatment of RR and MO. Additionally, after a comprehensive analysis of 9 metabolites and 124 targets, arachidonic acid was selected as the most critical pathway. The results showed that the herb pair could relieve constipation through arachidonic acid pathway and inhibited the levels of PTGS2 and PLA2G2A protein in this pathway.
CONCLUSION: This study revealed the synergistic effect of the combination of RR and MO in improving the constipation from the perspective of bioinformatics and metabolomics. Furthermore, the integrated method of multi-omics could contribute to exploring the potential compatibility mechanism of traditional Chinese medicines.