ArticleJournal of virology2021
Epstein-Barr Virus-Encoded Latent Membrane Protein 2A Downregulates GCNT3 via the TGF-β1/Smad-mTORC1 Signaling Axis.
Article in Journal of virology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 16 citations in OpenAlex.
- Viral oncogenesis in cancer: from mechanisms to therapeutics.Signal transduction and targeted therapy · 2025Review
- Growth Factors and Their Application in the Therapy of Hereditary Neurodegenerative Diseases.Biomedicines · 2024Review
- Role of Exosomes and Their Potential as Biomarkers in Epstein-Barr Virus-Associated Gastric Cancer.Cancers · 2023Review
- Signaling pathways and therapeutic interventions in gastric cancer.Signal transduction and targeted therapy · 2022Review
- Human organ rejuvenation by VEGF-A: Lessons from the skin.Science advances · 2022Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increasing evidence shows that Epstein-Barr virus (EBV) infection is closely related to various lymphoid and epithelioid malignancies. However, the underlying mechanisms are unclear. GCNT3 (core 2β-1,6-acetylglucosaminyltransferase) is a new type of core mucin synthase, and its expression in EBV-associated gastric cancer (EBVaGC) is lower than that in EBV-negative gastric cancer (EBVnGC). EBV-encoded latent membrane protein 2A (LMP2A) is a transmembrane protein with tumorigenic transformation properties. Here, we demonstrated that LMP2A inhibited the transcription of GCNT3 by inhibiting Smad2/3 and Smad4. LMP2A restrained the activation of the mTORC1 pathway by inactivating the TGF-β1/Smad pathway and then downregulated GCNT3 expression. The mTORC1-GCNT3 pathway promoted cell proliferation and migration and inhibited G0/G1 cell arrest. Related proteins involved in epithelial-mesenchymal transition (EMT) were downstream molecules of the TGF-β1/Smad-mTORC1-GCNT3 pathway. GCNT3 inhibited autophagy by inducing mTORC1 phosphorylation. These findings indicate that targeting the TGF-β1/Smad-mTORC1-GCNT3 axis may represent a novel therapeutic target in GC.
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Registered trials
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