LI Jinliang,HU Shuangfei,MENG Fenzhao,et al.Exploring the mechanism and function of Xiasangju in the treatment of xerophthalmia based on network pharmacology and experimental validation[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(01):56-65.
LI Jinliang,HU Shuangfei,MENG Fenzhao,et al.Exploring the mechanism and function of Xiasangju in the treatment of xerophthalmia based on network pharmacology and experimental validation[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2024,63(01):56-65. DOI: 10.13471/j.cnki.acta.snus.2023E038.
Exploring the mechanism and function of Xiasangju in the treatment of xerophthalmia based on network pharmacology and experimental validation
The study was to explore the mechanism of action of Xiasangju in the treatment of xerophthalmia by using network pharmacology, molecular docking method and cell experiments. The chemical components of Xiasangju were analyzed by ultra-fast high performance liquid chromatography tandem triple quadrupole time-of-flight mass spectrometry (UFLC-Triple-TOF-MS/MS). Targets of active components were predicted and disease related targets were retrieved with the help of network pharmacologic database and analysis platform. The network was built using cytoscape software and STRING platform. GO and KEGG pathway enrichment analysis was performed using the DAVID database, and the top 4 key targets were matched with their corresponding active component molecules. A hypertonic model of dry eye was constructed in vitro to verify the core target. A total of 61 chemical components were identified, and 24 effective components potentially related to xerophthalmia were selected for further screening. These 24 components were found to interact with 315 potential target proteins. Among them, the key active components of Xiasangju were identified as rosmarinic acid, linarin and chlorogenic acid, which targeted
TNF-α
,
Caspase1
,
IL-6
, and
IL-1β
. Enrichment analysis revealed that the therapeutic targets of Xiasangju for xerophthalmia were concentrated in multiple biological processes, including the AGE-RAGE signaling pathway, TNF signaling pathway, and others. In cell experiments, these three active components not only significantly inhibited cell viability reduction but also enhanced the migration ability of high osmolarity-induced corneal epithelial cells. They effectively suppressed the expression of
Caspase1
and
IL-1β
genes, as well as the secretion level of TNF-α protein in high osmolarity-induced human corneal epithelial cells. The main active components, rosmarinic acid, linarin and chlorogenic acid, in Xiasangju exerted protective and reparative effects on human corneal epithelial cells under high osmolarity conditions. They reduced the protein level of TNF-α and the relative expression of
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