ArticleMolecular oncology2026
Dammarenediol II enhances etoposide-induced apoptosis by targeting O-GlcNAc transferase and Akt/GSK3β/mTOR signaling in liver cancer.
Article in Molecular oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Combining chemotherapy with chemosensitizing agents is a common strategy to enhance anticancer efficacy while mitigating treatment-related side effects. This study investigated the potential of dammarenediol II (DM2), a ginsenoside precursor, to enhance the anticancer effects of etoposide by downregulating O-linked β-N-acetylglucosamine modification (O-GlcNAcylation) and modulating the Akt signaling pathway in HepG2 human liver cancer cells. The effect of DM2 on O-GlcNAcylation regulation was analyzed using Pharmaco-Net, an artificial intelligence-driven drug screening platform and further validated using O-GlcNAc transferase (OGT) activity assay. DM2 cotreatment enhanced etoposide's anticancer efficacy, which was quantitatively evaluated by viability, Annexin V binding, membrane integrity, and caspase-3/7 activity assays in HepG2 cells. Results showed that DM2 reduced O-GlcNAc levels by directly interacting with OGT, as confirmed through Pharmaco-Net. Cotreatment with 40 μm DM2 and 20 μm etoposide produced synergistic anticancer effects, lowering etoposide's IC
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