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  • Title: Identifying the effectual-combination ingredients of Zhi-zi-Hou-po decoction based on metabolic difference-oriented network regulation strategy.
    Author: Luo K, Xing Y, Wang M.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2021 Nov 01; 1184():122980. PubMed ID: 34653845.
    Abstract:
    Zhi-zi-Hou-po decoction (ZZHPD) has been used to treat depression in the clinic for thousand years in China. However, the pharmacodynamic substance of ZZHPD is still not totally clear due to its complex components. The objective of this study was to identify the effectual combination ingredients (ECIs) of ZZHPD, which could represent the antidepressant effect of the original formula. Firstly, differential plasma absorbed components with different variable importance in projection (VIP) value in chronic unpredictable mild stress (CUMS)-induced depression and control rat were revealed by untargeted metabolomics-driven strategy based on HPLC-ESI-TOF/MS, XCMS online and SIMCA-p software. Secondly, network topology scores (NTS) of plasma absorbed components were exposed by protein-protein interaction (PPI) network analysis based on components-related genes and depression-related genes, which were performed by network pharmacology tools. Finally, the ECIs were screened by considered of VIP value and NTS. Then the bioactivity was evaluated by cell viability and expression of glial fibrillary acid protein (GFAP), tumor necrosis factor α (TNFα) and interleukin 1β (IL-1β) of a lipopolysaccharide-induced astrocyte depression model. An effective combination composed with 12 components was filtrated as ECIs of ZZHPD, exposed to which the cell viability effect, the expression of GFAP and IL-1β in astrocytes were essentially equivalent with original ZZHPD (p > 0.05), and that both characteristic constituents and trace compounds of ZZHPD might exert synergistic actions through multi-targets. The result of this study provided useful information for the clinical application and modern development of ZZHPD, and the proposed strategy could be regard as an alternative solution for effective combination screening of herbal medicines.
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