期刊
MOLECULES
卷 25, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/molecules25030715
关键词
cancer; angiogenesis; hypoxia; nanoparticles; nanomedicine; nanotechnology; mesenchymal stem cells; exosomes; cell membrane coating
资金
- Instituto de Salud Carlos III, Ministry of Economy, Industry and Competitiveness [PI15/01803, PI18/01278]
- European Regional Development Fund
- Fundacion Francisco Soria Melguizo
The main strategy of cancer treatment has focused on attacking the tumor cells. Some cancers initially responsive to chemotherapy become treatment-resistant. Another strategy is to block the formation of tumor vessels. However, tumors also become resistant to anti-angiogenic treatments, mostly due to other cells and factors present in the tumor microenvironment, and hypoxia in the central part of the tumor. The need for new cancer therapies is significant. The use of nanoparticle-based therapy will improve therapeutic efficacy and targeting, while reducing toxicity. However, due to inefficient accumulation in tumor sites, clearance by reticuloendothelial organs and toxicity, internalization or conjugation of drug-loaded nanoparticles (NPs) into mesenchymal stem cells (MSCs) can increase efficacy by actively delivering them into the tumor microenvironment. Nanoengineering MSCs with drug-loaded NPs can increase the drug payload delivered to tumor sites due to the migratory and homing abilities of MSCs. However, MSCs have some disadvantages, and exosomes and membranes from different cell types can be used to transport drug-loaded NPs actively to tumors. This review gives an overview of different cancer approaches, with a focus on hypoxia and the emergence of NPs as drug-delivery systems and MSCs as cellular vehicles for targeted delivery due to their tumor-homing potential.
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