ArticleJournal of gastroenterology2025
VPS45 promotes the progression of hepatocellular carcinoma by recycling β1 integrin to the cell membrane via the endocytic pathway.
Article in Journal of gastroenterology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- ANGPTL2 inhibits macrophage pyroptosis and alleviates rheumatoid arthritis progression by regulating mitophagy via IGFBP5.Cell death & disease · 2026Article
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15 authors.
Funding
Abstract
backgroundHepatocellular carcinoma (HCC) is a highly aggressive malignancy with poor prognosis, which is often driven by chromosomal amplifications at 1q. Vacuolar sorting protein 45 (VPS45), a gene located on chromosome 1q, is involved in the endocytic recycling pathway; however, its role in HCC remains unclear. In this study, we aimed to investigate the functional significance of VPS45 in the progression of HCC.
methodsVPS45 expression was analyzed using public databases, clinical HCC samples, and cell lines. Functional assays, including VPS45 knockout and rescue experiments, were conducted to assess the effect on tumor progression in vitro and in vivo. The molecular mechanisms underlying VPS45 function, particularly its role in β1 integrin recycling and FAK-AKT signaling activation, were also explored.
resultsVPS45 expression was significantly elevated in HCC owing to DNA copy number amplification and correlated with poor prognosis. Moreover, VPS45 knockout suppressed cell proliferation, migration, and invasion, while promoting apoptosis. VPS45 interacted with syntaxin16 and rabenosyn-5 to facilitate the recycling of β1 integrin to the cell membrane, thereby activating FAK-AKT signaling, which promotes oncogenic phenotypes. In xenograft models, VPS45 knockout significantly suppressed tumor growth, further supporting its role in HCC progression.
conclusionsVPS45 is a key oncogene in HCC that promotes tumor progression by enhancing β1 integrin recycling and activating FAK-AKT signaling. Given its strong association with poor prognosis and tumor malignancy, VPS45 may serve as a promising prognostic biomarker and a potential therapeutic target for HCC.
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