ArticleJournal of cellular and molecular medicine2025
Myeloid-Derived LGALS9-P4HB Immune Interaction Promotes Metastasis in Gastric Cancer Through Enhanced Cell Proliferation and Lipid Metabolism.
Article in Journal of cellular and molecular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Deciphering the single-cell molecular landscape of ampullary cancer: A rare gastrointestinal malignancy.iScience · 2026Article
- Galectins at the crossroads of tumor immunity, metabolism, and metastasis: mechanisms, therapeutic resistance, and translational opportunities.Frontiers in immunology · 2026Review
- Myeloid-Derived LGALS9-P4HB Immune Interaction Promotes Metastasis in Gastric Cancer Through Enhanced Cell Proliferation and Lipid Metabolism.Journal of cellular and molecular medicine · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
Metastasis remains the primary cause of mortality in gastric cancer patients; however, the underlying mechanisms driving this process remain incompletely understood. Here, we performed an integrated single-cell analysis of gastric cancer primary tumours and their corresponding liver and lymph node metastases to identify critical intercellular communication networks driving the metastatic process. Notably, gene expression analysis of metastatic tissues showed significant upregulation of cholesterol metabolism and PPAR signalling pathway (a nuclear receptor-mediated regulatory system that orchestrates lipid metabolism, adipogenesis and energy homeostasis) genes compared to primary tumours. Our analysis revealed that myeloid cell-derived Galectin-9 (LGALS9) and its receptor beta-subunit of prolyl 4-hydroxylase (P4HB) on epithelial cells constitute a previously uncharacterized ligand-receptor interaction involved in gastric cancer metastasis. Functional experiments confirmed that the activation of P4HB by LGALS9 significantly enhanced proliferation, epithelial-mesenchymal transition (EMT) and lipid metabolism in gastric cancer cells, while pharmacological inhibition of P4HB reversed these effects. Collectively, our findings establish the myeloid-derived LGALS9-P4HB interaction as a crucial mediator of gastric cancer metastatic colonisation through modulation of lipid metabolism, suggesting a potential therapeutic target for metastatic gastric cancer.
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Registered trials
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