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August 19, 2025Acta Pharmacologica SinicaOpen Access

DNMT inhibition epigenetically restores the cGAS-STING pathway and activates RIG-I/MDA5-MAVS to enhance antitumor immunity

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Authors

YTYao TuQZQingyun ZhuWHWenjun Huang

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Overview

Inhibition of DNMT restores cGAS-STING signaling and activates RIG-I/MDA5 in tumors, enhancing immune response.

Key Points

  • Restoring cGAS-STING signaling significantly improves antitumor immunity and correlates with better immunotherapy outcomes.
  • The study found that using decitabine enhanced cGAS and STING expression, leading to increased T cell infiltration.
  • Analysis involved breast cancer and murine models, demonstrating key alterations in immune response mechanisms.
  • DNMT inhibitors may offer a novel therapeutic strategy to boost cancer treatment efficacy alongside traditional therapies.

Cite This Study

Tu et al. (2025) studied this question.

synapsesocial.com/papers/68af31efcf1dd9ea359e8335https://doi.org/10.1038/s41401-025-01639-y
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1The cGAS–STING pathway in cancer immunotherapy: prognostic value and therapeutic potential2026 · 3 citations
  2. 2cGAS-STING signaling in the tumor microenvironment induces myeloid cell activation and favors T cell-mediated antitumor immunity2025 · 4 citations
  3. 3Abstract A069: Epigenetic reprogramming restores STING pathway activation in high-grade serous ovarian cancer2025
  4. 4Unlocking the therapeutic potential of the STING signaling pathway in anti-tumor treatment2025 · 16 citations
  5. 5Targeting HDAC and PARP Enhances STING-Dependent Antitumor Immunity in STING-Deficient Tumor.2025