The glucose-6-phosphatase system in cancer: from endoplasmic reticulum glucose-6-phosphate flux to stemness, immune escape, and therapeutic vulnerability - Scorecard - MDSpire

The glucose-6-phosphatase system in cancer: from endoplasmic reticulum glucose-6-phosphate flux to stemness, immune escape, and therapeutic vulnerability

  • By

  • Bogdan Alexandru Danalache

  • Abdallah Fallah

  • Frédéric Mercier

  • Borhane Annabi

  • July 17, 2026

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Clinical Scorecard: The Role of the Glucose-6-Phosphatase System in Cancer: Implications for Endoplasmic Reticulum Glucose-6-Phosphate Dynamics, Stem Cell Properties, Immune Evasion, and Treatment Sensitivity

At a Glance

CategoryDetail
ConditionCancer
Key MechanismsRegulation of intracellular glucose-6-phosphate partitioning, redox control, calcium homeostasis, protein quality control, glycogen metabolism, autophagy, epithelial-mesenchymal transition, stemness, immune evasion, and therapy resistance.
Target PopulationPatients with various non-gluconeogenic cancers.
Care SettingOncology

Key Highlights

  • G6Pase system components are emerging as biomarkers and therapeutic targets in cancer.
  • Elevated G6Pase activity is associated with aggressive cancer phenotypes.
  • G6P handling in the endoplasmic reticulum influences tumor behavior.
  • Pharmacological interference with G6P transporters affects glioma cell survival and migration.
  • The G6Pase system operates as a metabolic rheostat in cancer cells.

Guideline-Based Recommendations

Diagnosis

  • Consider G6Pase system components as potential biomarkers in cancer.

Management

  • Investigate therapeutic targeting of the G6Pase system in preclinical settings.

Monitoring & Follow-up

  • Monitor G6Pase system activity as a potential indicator of tumor aggressiveness.

Risks

  • Loss of G6PC or SLC37A4 function may lead to metabolic disruptions.

Patient & Prescribing Data

Patients with cancers exhibiting altered G6P metabolism.

Therapeutic opportunities targeting the G6Pase system are largely preclinical.

Clinical Best Practices

  • Evaluate the role of G6Pase system in tumor metabolism during cancer treatment planning.
  • Consider the implications of G6P dynamics in the context of cancer stem cell properties.

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