Novel Therapeutic Targets for Endometrial Cancer Discovered through Metabolic-Immune Crosstalk Research

Strategic Insights -

Researchers from Huazhong University of Science and Technology have made significant breakthroughs in understanding the link between metabolic dysregulation and immune regulation in endometrial cancer (EC). Their studies reveal a pivotal role of estrogen-related receptor (ERR) alpha in promoting EC progression through mitochondrial lipid metabolism and macrophage-driven immunosuppression. This research provides a theoretical foundation for developing combination therapies targeting metabolic-immune crosstalk, potentially offering a strategy to overcome immunotherapy resistance in EC.

Key Takeaways:

  • The study highlights the crucial role of ERRa in endometrial cancer progression, particularly in shaping the cancer immune microenvironment.
  • Combined inhibition of ERRa and CCL2 (a chemokine involved in macrophage recruitment) significantly enhanced antitumor efficacy in endometrial cancer.
  • The research establishes a mechanistic link between mitochondrial lipid metabolism and macrophage-driven immunosuppression in EC.
  • ERRa expression in EC tissues may serve as a clinical indicator for disease evaluation.
  • The study suggests a novel therapeutic approach targeting the metabolic-immune axis, which could be applied to EC patients resistant to immunotherapy.
  • Gang Chen and his collaborators employed patient-derived organoids and a xenograft model to validate the therapeutic efficacy of ERRa targeting in endometrial cancer.

Statistics:

  • 166 patients with endometrial cancer were analyzed to quantify ERRa expression and macrophage infiltration using immunohistochemistry (IHC).
  • The KLE cell xenograft model revealed significant tumorigenicity and therapeutic efficacy in mice treated with combined inhibition of ERRa and CCL2.
  • ROS levels were elevated in EC cells expressing ERRa, leading to NF-kB signaling axis activation and subsequent M2 macrophage recruitment.
  • The frequency of M2 macrophages in EG tissues was positively correlated with ERRa expression.

Sources:

  • Antagonism of estrogen-related receptor-a inhibits mitochondrial oxidative phosphorylation and reduces M2 macrophage infiltration in endometrial cancer. Journal for ImmunoTherapy of Cancer, 2025, 13(9).
  • https://doi-org.sdpl.idm.oclc.org/10.1136/jitc-2025-012521.