ArticleInternational journal of biological sciences2026
CAF-derived exosomal circMPP6 drives ovarian cancer metastasis by coordinating nuclear and cytoplasmic regulation of ADAM22 to activate TGF-β/Smad signaling.
Article in International journal of biological sciences, 2026. 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.
- Exosomal circular RNAs in the tumor immune microenvironment: From regulatory mechanisms to therapeutic opportunities and translational hurdles (Review).International journal of molecular medicine · 2026Review
- Exosomes in inflammatory tissue injury: key pathogenic factors and promising therapeutic agents.Frontiers in immunology · 2026Review
- Biomembrane-coated Nanoparticles Targeting circHIF1α Suppress Ovarian Cancer Metastasis and Cisplatin Resistance by Mediating System Xc⁻ Inactivation via SLC7A11/SLC3A2 to Induce Ferroptosis in Cancer Stem Cells.International journal of biological sciences · 2026Article
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9 authors.
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Abstract
Cancer-associated fibroblasts (CAFs) contribute to the metastatic progression of high-grade serous ovarian cancer (HGSOC), partly through the transfer of regulatory RNAs via exosomes. Here, we identify a circRNA, circMPP6 as a key pro-metastatic factor enriched in CAF-derived exosomes. circMPP6 is upregulated in metastatic HGSOC tissues and is associated with poor prognosis. In HGSOC cells, nuclear circMPP6 interacts with SFPQ and NONO to stabilize ADAM22 mRNA, whereas cytoplasmic circMPP6 binds EEF1A2 to enhance ADAM22 protein expression. Elevated ADAM22 levels activate TGF-β/Smad2/3 signaling via binding to ITGB1, promoting proliferation, migration, and invasion
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