Integration Approaches of UPLC-Q-Exactive Orbitrap-MS/MS, Network Pharmacology Molecular Docking, and Molecular Dynamics to Explore the Effective Constituents and Potential Mechanisms of S. vaniniiporus vaninii against Tumor.
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引用次数: 0
Abstract
Background: S. vaninii, a well-established traditional Chinese medicine with potent pharmacological effects against cancer, lacks clarity regarding its mechanism of action.
Objective: To elucidate the bioactive components in S. vaninii and to elucidate their potential anticancer mechanisms.
Methods: Firstly, the chemical composition of S. vaninii was characterized using UPLC-Q-Exactive Orbitrap- MS/MS technique. Subsequently, bioinformatics-related techniques were employed to elucidate the bioactive components and potential mechanisms of S. vaninii anti-tumor based on the identified chemical constituents. Finally, molecular dynamics simulation was conducted to validate the obtained results.
Results: Our findings revealed the characterization of 226 constituents from S. vaninii including 30 flavonoids, 27 carbohydrates and glycosides, 26 amino acids, peptides and their derivatives, 18 phenylpropanoids, 13terpenes, 12 phenols, 6 organic acids and its derivatives, 4 alkaloids, etc. Subsequently, 195 key tumorrelated active compounds were identified and established in the Drug-Compound-Target-Disease network. The PPI network screened out 85 key targets (TP53, STAT3, EGFR, GAPDH, BCL2, AKT1, CASP3, mTOR, JUN, and TNF) in tumors. Furthermore, functional enrichment analyses using GO and KEGG pathways highlighted the involvement of PI3K-Akt signaling pathways in S. vaninii's anti-tumor effects. Finally, the top ten significant bioactive constituents were selected as key targets for molecular docking studies which revealed Alpinetin, Galangin, and 4',5-Dihydroxyflavone as potential core compounds targeting mTOR, EGFR, and AKT1 respectively; these complexes were further assessed for stability through MD simulations.
Conclusion: This study provides insights into the potential active compounds, target proteins, and signaling pathways underlying the clinical application of S. vaninii in treating tumors.
期刊介绍：
Current Pharmaceutical Design publishes timely in-depth reviews and research articles from leading pharmaceutical researchers in the field, covering all aspects of current research in rational drug design. Each issue is devoted to a single major therapeutic area guest edited by an acknowledged authority in the field.
Each thematic issue of Current Pharmaceutical Design covers all subject areas of major importance to modern drug design including: medicinal chemistry, pharmacology, drug targets and disease mechanism.
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