The Effective Compounds and Mechanisms of Cang-Fu-Dao-Tan Formula in Treating Polycystic Ovary Syndrome Based on UPLC/Q-TOF-MS/MS, Network Pharmacology and Molecular Experiments

Background Polycystic ovary syndrome (PCOS), as a common endocrine disease in reproductive-age women, which is characterized by both reproductive and metabolic disorders. Cang-Fu-Dao-Tan Formula (CFDTF) is an effective and relatively safe treatment for PCOS. However, the underlying mechanism is poorly understood. Purpose To explore the effective compounds and mechanisms of CFDTF in treating PCOS based on UPLC/Q-TOF-MS/MS, network pharmacology and molecular experiments. Methods The UPLC/Q-TOF-MS/MS and TCMSP, SwissTargetPrediction databases were used to identify the active ingredients of CFDTF. Then GeneCards, Disgenet, Drugbank databases were used to obtain the PCOS related targets. Based above, the Drug-component-target (D-C-T) network and protein-protein-interaction (PPI) network were built to analysis the key targets. The Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) enrichment analysis were performed to find the potential mechanisms. Finally, molecular docking analysis, molecular dynamics (MD) simulations and molecular experiments were used to confirm the interactions among the active compounds, targets and explore the potential mechanisms. Results A total of 20 compounds were identified by UPLC/Q-TOF-MS/MS, and 136 active compounds by TCMSP from CFDTF. After removing the duplicate results, there were 370 targets related to both CFDTF and PCOS, among which, MAPK3, AKT1, RELA, EGF, TP53 and MYC were proved to have high interactions with the components. The mechanisms of CFDTF against PCOS were related to PI3K-Akt, mTOR, MAPK signaling pathways, and the in vitro experiments proved that the CFDTF positively regulated the cell proliferation and inhibited the apoptosis levels in PCOS cell model. Conclusions The combination of UPLC/Q-TOF-MS/MS, systematic network pharmacology and molecular experiments identified that the quercetin, hesperidin, and glycyrrhizin disaccharide are the TOP 3 effective compounds of CFDTF in treating PCOS and the potential mechanisms may involve in regulating proliferation and apoptosis of granulosa cells.

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