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| Format: | Recurso digital |
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Zenodo
2026
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| Online Access: | https://doi.org/10.5281/zenodo.20002352 |
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Table of Contents:
- <p>The original Sugar-Iron Bomb Model proposed that chronic hyperglycemia, glycated hemoglobin (HbA1c), iron dysregulation, and oxidative stress may interact to create a pro-carcinogenic systemic environment. In this extension, we propose a complementary tumor-local amplification mechanism operating within the tumor microenvironment. Specifically, abnormal tumor angiogenesis, microvascular fragility, and intermittent microhemorrhage may permit erythrocyte extravasation into tumor tissue. Subsequent macrophage-mediated erythrophagocytosis could release heme and redox-active iron, enhancing reactive oxygen species (ROS) generation through Fenton chemistry. This process may intensify DNA damage, inflammatory signaling, extracellular matrix remodeling, and tumor adaptation. We hypothesize that this local iron-recycling circuit may synergize with systemic hyperglycemia to amplify malignant progression.</p>