Fructus Corni has been reported to contain a wide variety of pharmacological effects and previous studies had revealed that Fructus Corni might protect the cardiac indices. However, the all-encompassing metabolic profile of Fructus Corni has not been well illuminated. In this research, high-sensitivity ultra-performance liquid chromatography with quadrupole time-of-flight mass spectrometry method was adopted to identify the metabolic profile after oral administration of Fructus Corni extract, especially the metabolic characterization of serum and heart, for which the targets and signaling pathways about heart failure were hunted through compound-target-disease-pathway intersection network. Ultimately, 37 ingredients were identified in Fructus Corni extract, and 22 prototypes and 134 metabolites that were identified in serum, heart, feces, and urine were tentatively characterized, which contained iridoids, flavonoids, tannins, organic acids, and others. Additionally, 10 putative key compounds including four prototypes and six phase I metabolites were screened by network pharmacology and molecular docking, among which, secoxyloganin (P7), loganin (P14), cornuside III (P17) and cornuside (P20) were the absorbed compounds to represent the potential active ingredients of Fructus Corni engaged in heart failure condition. In general, this method provided the combined strategy to preliminarily settle the complex of Fructus Corni's metabolic profiling and anti-heart failure pharmacologic activities.
Increasing incidence of skin aging has highlighted the importance of identifying effective drugs with repurposed opportunities for skin aging. We aimed to identify pharmaco-active compounds with drugrepurposing opportunities for skin aging from Angelica acutiloba (Siebold & Zucc.) Kitag. (AAK). The proximity of network medicine framework (NMF) firstly identified 8 key AAK compounds with repurposed opportunities for skin aging, which may exert by regulating 29 differentially expressed genes (DGEs) of skin aging, including 13 up-regulated targets and 16 down-regulated targets. Connectivity MAP (cMAP) analysis revealed 8 key compounds were involved in regulating the process of cell proliferation and apoptosis, mitochondrial energy metabolism and oxidative stress of skin aging. Molecular docking analysis showed that 8 key compounds had a high docked ability with AR, BCHE, HPGD and PI3, which were identified as specific biomarker for the diagnosis of skin aging. Finally, the mechanisms of these key compounds were predicted to be involved in inhibiting autophagy pathway and activating Phospholipase D signaling pathway. In conclusion, this study firstly elucidated the drug-repurposing opportunities of AAK compounds for skin aging, providing a theoretical reference for identifying repurposing drugs from Chinese medicine and new insights for our future research.
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