ArticleCellular & molecular biology letters2024
Tetraspanin 3 promotes NSCLC cell proliferation via regulation of β1 integrin intracellular recycling.
Article in Cellular & molecular biology letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Urinary proteomic profiling reveals diagnostic biomarkers and regulatory networks in myasthenia gravis.BMC neurology · 2026Article
- Semaphorin 5A modulates focal adhesion pathway and lamellipodia formation in melanoma.Cell communication and signaling : CCS · 2025Article
- Proteome changes associated with effect of high dose single-fractionation radiation on lung adenocarcinoma cell lines.Scientific reports · 2025Article
- Tetraspanin CD82 regulates transforming growth factor-β signaling in hematopoietic stem and progenitor cells.Molecular biology of the cell · 2025Article
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4 authors.
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Abstract
backgroundThe involvement of tetraspanins in cancer development has been widely implicated. In this study, the function and molecular mechanisms of tetraspanin 3 (TSPAN3) in non-small cell lung cancer (NSCLC) cells were explored.
methodsTissue samples from patients diagnosed with NSCLC were analyzed by immunohistochemistry, western blotting, and real-time polymerase chain reaction (PCR) to indicate the involvement of TSPAN3 in cancer progression. In the meantime, we also performed exhaustive mechanistic studies using A549 and H460 cells in vitro through a variety of methods including western blotting, real-time PCR, immunofluorescent staining, coimmunoprecipitation, cell proliferation assay, and nocodazole (NZ) washout assay. Proper statistical analysis was implemented wherever necessary in this study.
resultsTSPAN3 was found to be highly expressed in lung cancer cells and tissues. Moreover, high levels of TSPAN3 positively correlated with poor differentiation, lymph node involvement, advanced pathological tumor-node-metastasis stage, and poor prognosis in patients with NSCLC. TSPAN3 showed potential to promote the proliferation of NSCLC cells in vitro and in vivo. Specifically, TSPAN3 was found to interact with β1 integrin via the LEL domain, thereby facilitating the sorting of β1 integrin into Rab11a endosomes and promoting β1 integrin recycling and upregulation.
conclusionsOur findings reveal TSPAN3 may represent a potentially valuable therapeutic target for NSCLC.
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