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  • Title: Comparative analysis of the compatibility effects of Danggui-Sini Decoction on a blood stasis syndrome rat model using untargeted metabolomics.
    Author: Wu JX, Zheng H, Yao X, Liu XW, Zhu HJ, Yin CL, Liu X, Mo YY, Huang HM, Cheng B, Wu F, Chen ZN, Song FM, Ruan JX, Zhang HY, Liu P, Liang YH, Song H, Guo HW, Su ZH.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2019 Jan 15; 1105():164-175. PubMed ID: 30594827.
    Abstract:
    Danggui-Sini Decoction (DSD) is one of the most widely used traditional Chinese medicine formulae (TCMF) for treating various diseases caused by cold coagulation and blood stasis due to its effect of nourishing blood to warm meridians in clinical use. However, studies of the mechanism of how it dispels blood stasis and its compatible regularity are challenging because of the complex pathophysiology of blood stasis syndrome (BSS) and the complexity of DSD, with multiple active ingredients acting on different targets. Observing variations of endogenous metabolites in rats with BSS after administering DSD may further our understanding of the mechanism of BSS and the compatible regularity of DSD. In this study, to understand the pathogenesis of BSS and assess the compatibility effects of DSD, an ultra-performance liquid chromatography quadrupole-time of flight mass spectrometry-based untargeted metabolomics approach was used. Serum metabolic profiles in rats with BSS that was induced by an ice water bath associated with subcutaneous injection of epinephrine hydrochloride were compared with the intervention groups which were administered with DSD or its compatibility. Using pattern recognition analysis, a clear separation between the BSS model and control group was observed; DSD and its compatibility intervention groups were clustered closer toward the control than the model group, which corroborates results of hemorheology studies. In addition, 20 metabolites were considered as potential biomarkers associated with the development of BSS. Nine metabolites were regulated by DSD in intervening blood stasis, they were considered to be correlated with the effect of nourishing blood to warm meridians. Additionally, the results suggested that the intervention effect of DSD on BSS may involve regulating four pathways, namely, arachidonic acid metabolism, glycerophospholipid metabolism, bile acid biosynthesis, and pyruvate metabolism. Moreover, each functional unit (monarch, minister, and assistant) in DSD regulates different metabolites and metabolic pathways to achieve different effects on dispelling blood stasis; however, their intervention efficacies are inferior to the holistic formula, which may be due to the synergism of the bioactive ingredients in seven herbs of DSD. This study demonstrated that metabolomics is a powerful tool for evaluating the efficacy and compatibility effects of traditional Chinese medicine (TCM).
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