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Objective <p>This study aimed to combine network pharmacology with in vitro experiments to identify the key targets and potential mechanisms of salidroside (Sal) in the treatment of acute lung injury (ALI).</p> Methods <p>Potential targets related to Sal and ALI were retrieved from the ChEMBL, SuperPRED, SwissTargetPrediction, GeneCards, OMIM, and CTD databases. Overlapping targets were imported into the STRING database and Cytoscape software to construct a protein-protein interaction (PPI) network and identify core targets. Functional enrichment analysis of these core genes, including GO and KEGG pathways, was performed using the DAVID database. Two genes, MAPK14 and GPX4, directly relevant to subsequent validation, were selected for molecular docking analysis. Furthermore, an in vitro model of ALI was established using LPS-induced alveolar type II epithelial cells to verify the protective mechanism of Sal.</p> Results <p>A total of 355 potential targets associated with Sal in ALI treatment were identified. In vitro experiments showed that, compared to the LPS group, the Sal group exhibited significantly reduced secretion of IL-6, ROS, p-MAPK, MDA, and Fe²⁺, along with increased GPX4 expression and attenuated lung injury.</p> Conclusion <p>Integrated network pharmacology and experimental validation suggest that Sal pretreatment alleviates inflammatory response and oxidative stress, likely through regulation of the MAPK/GPX4 signaling pathway, thereby providing protection against lung tissue injury.</p>

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Combining network pharmacology and experimental validation to demonstrate that salidroside alleviates acute lung injury by inhibiting ferroptosis via the MAPK/GPX4 pathway

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月4日

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  • Min Zhao,
  • Wei Fang,
  • Man Chen,
  • Meng Qi Wang,
  • Wei Lin

摘要

Objective

This study aimed to combine network pharmacology with in vitro experiments to identify the key targets and potential mechanisms of salidroside (Sal) in the treatment of acute lung injury (ALI).

Methods

Potential targets related to Sal and ALI were retrieved from the ChEMBL, SuperPRED, SwissTargetPrediction, GeneCards, OMIM, and CTD databases. Overlapping targets were imported into the STRING database and Cytoscape software to construct a protein-protein interaction (PPI) network and identify core targets. Functional enrichment analysis of these core genes, including GO and KEGG pathways, was performed using the DAVID database. Two genes, MAPK14 and GPX4, directly relevant to subsequent validation, were selected for molecular docking analysis. Furthermore, an in vitro model of ALI was established using LPS-induced alveolar type II epithelial cells to verify the protective mechanism of Sal.

Results

A total of 355 potential targets associated with Sal in ALI treatment were identified. In vitro experiments showed that, compared to the LPS group, the Sal group exhibited significantly reduced secretion of IL-6, ROS, p-MAPK, MDA, and Fe²⁺, along with increased GPX4 expression and attenuated lung injury.

Conclusion

Integrated network pharmacology and experimental validation suggest that Sal pretreatment alleviates inflammatory response and oxidative stress, likely through regulation of the MAPK/GPX4 signaling pathway, thereby providing protection against lung tissue injury.