Abstract

Hawthorn (HT), a functional food and medicinal herb for centuries in China, has potential preventive and therapeutic effects on atherosclerosis (AS). However, the mechanisms and active ingredients of HT in the prevention and treatment of AS are unclear. This study aimed to reveal active components and mechanism of HT in the prevention and treatment of AS using UHPLC-Q-Exactive Orbitrap MS and network pharmacology. A total of 50 compounds were identified by UHPLC-Q-Exactive Orbitrap MS. Six core targets and six active compounds were obtained by network pharmacology. Apigenin, luteolin, chrysin, quercetin, oleanic acid, and corosolic acid were the active components in the prevention and treatment of AS, and core targets included SRC, HSP90AA1, MAPK3, EGFR, HRAS, and AKT1. The key signaling pathways involved are MAPK, HIF-1, NF-kappa B, PI3K-Akt, TNF, Rap1, Ras, and VEGF signaling pathways. Further molecular docking results indicated that the six active compounds had strong hydrogen bonding ability with the six core targets. On the molecular level, HT may regulate AS by controlling cell survival and proliferation, reducing the levels of enzymes HMG-CoA reductase and lipoprotein lipase and inhibiting inflammatory response. PRACTICAL APPLICATIONS: HT can serve as "medicine-food homology" for dietary supplement and exert potential preventive and therapeutic effects on AS. However, the mechanisms of HT in the prevention and treatment of AS are unclear. This study describes a rapid method of detecting and identifying the components and mechanism of HT based on LC-MS and network pharmacology, which provides a theoretical and scientific support for further application of HT and guidance for the research of other herbal medicines.

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