ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
YKT6 Promotes Bladder Cancer Progression by Stabilizing β-catenin Through USP7-Mediated Deubiquitination.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. 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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Who cites it
1 citing paper in PubMed.
- YKT6 Promotes Bladder Cancer Progression by Stabilizing β-catenin Through USP7-Mediated Deubiquitination.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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17 authors.
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Abstract
Bladder cancer (BLCA) remains a highly lethal genitourinary malignancy with complex tumor biology and limited therapeutic strategies. This study investigates the oncogenic role of YKT6, a SNARE protein, in BLCA progression and molecular mechanisms. It is demonstrated that YKT6 is significantly upregulated in BLCA tissues and cell lines, correlating with advanced tumor grade, aggressive histology, and poor patient prognosis from public datasets and tissue microarray. Transcriptomic and functional analyses reveal that YKT6 promotes BLCA cell proliferation, migration, and metastasis both in vitro and in vivo. Mechanistically, YKT6 activates the Wnt/β-catenin signaling pathway through a novel mechanism involving USP7-mediated deubiquitination of β-catenin. By recruiting USP7, YKT6 inhibits β-catenin's proteasomal degradation, thereby stabilizing the protein and driving nuclear accumulation. This stabilization leads to increased expression of oncogenic target genes and induces epithelial-mesenchymal transition (EMT). Pharmacological interventions demonstrate that Wnt signaling inhibition reverses YKT6-driven malignant effects, while pathway activation restores tumor progression in YKT6-silenced cells. USP7 knockdown abrogates YKT6-mediated β-catenin stabilization, confirming their functional interdependence. Clinically, the YKT6/USP7/β-catenin axis strongly correlates with poor prognosis, providing a proof-of-concept for the druggability of this axis. The findings unveil YKT6 as a novel regulator of Wnt signaling through USP7-dependent deubiquitination, offering insights for precision BLCA therapy.
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