Hypoxic microenvironment in cancer: molecular mechanisms and therapeutic interventions

🤖 Plain-English Summary

Having a hypoxic microenvironment is a common and salient feature of most solid tumors. However, the relationship between hypoxia and cancer is an area of research that requires further exploration.

🔑 Key Findings

• Hypoxia has a profound effect on the biological behavior and malignant phenotype of cancer cells, mediates the effects of cancer chemotherapy, radiotherapy, and immunotherapy through complex mechanisms, and is closely associated with poor prognosis in various cancer patients.
• Accumulating studies have demonstrated that through normalization of the tumor vasculature, nanoparticle carriers and biocarriers can effectively increase the oxygen concentration in the tumor microenvironment, improve drug delivery and the efficacy of radiotherapy.
• They also increase infiltration of innate and adaptive anti-tumor immune cells to enhance the efficacy of immunotherapy.

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