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Updated: Aug 28, 2025
07:07
Tumor Hypoxia Assessment: In Vivo 3D Oxygen Imaging Through Electron Paramagnetic Resonance
Published on: February 14, 2025
2.8K
Peroxide mediated oxygen delivery in cancer therapy
Sajedeh Khorshidi1, Sogol Younesi1, Akbar Karkhaneh1
1Biomedical Engineering Faculty, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.
Colloids and Surfaces. B, Biointerfaces
|September 22, 2022
Summary
Hypoxia, or low oxygen, hinders cancer treatment by promoting aggressive tumors and reducing therapy effectiveness. Peroxides offer a solution by generating oxygen to improve cancer treatment outcomes.
Area of Science:
- Oncology
- Biomedical Engineering
- Materials Science
Background:
- Tumor hypoxia is a significant challenge in cancer therapy, arising from abnormal tumor vasculature and extracellular matrix.
- Hypoxia promotes tumor cell aggressiveness, metastasis, and resistance to various treatments like chemotherapy and radiotherapy.
- Oxygen deprivation negatively impacts the efficacy of photodynamic, sonodynamic, and immunotherapy.
Purpose of the Study:
- To review the relationship between tumor hypoxia and cancer treatment modalities.
- To discuss the role of peroxides in generating oxygen for tumor hyperoxygenation.
- To summarize delivery systems for peroxides in cancer therapy.
Main Methods:
- Literature review focusing on hypoxia in cancer treatment.
- Analysis of peroxide-based strategies for tumor oxygenation.
- Survey of various delivery vehicles for peroxide-based cancer therapeutics.
Main Results:
- Hypoxia impedes multiple cancer treatment modalities by altering cell metabolism and reducing therapeutic efficacy.
- Peroxides are effective oxygen-generating agents that can counteract tumor hypoxia.
- Combined delivery systems of peroxides and therapeutic agents show promise for enhanced cancer treatment.
Conclusions:
- Addressing tumor hypoxia is crucial for improving cancer treatment outcomes.
- Peroxides represent a promising strategy for tumor hyperoxygenation and overcoming treatment resistance.
- Development of sophisticated delivery systems is key to maximizing the therapeutic potential of peroxides in cancer care.
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