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Cancer nanotheranostics: improving imaging and therapy by targeted delivery across biological barriers
Forrest M Kievit1, Miqin Zhang
1Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA.
Abstract:
Cancer nanotheranostics aims to combine imaging and therapy of cancer through use of nanotechnology. The ability to engineer nanomaterials to interact with cancer cells at the molecular level can significantly improve the effectiveness and specificity of therapy to cancers that are currently difficult to treat. In particular, metastatic cancers, drug-resistant cancers, and cancer stem cells impose the greatest therapeutic challenge for targeted therapy. Targeted therapy can be achieved with appropriately designed drug delivery vehicles such as nanoparticles, adult stem cells, or T cells in immunotherapy. In this article, we first review the different types of nanotheranostic particles and their use in imaging, followed by the biological barriers they must bypass to reach the target cancer cells, including the blood, liver, kidneys, spleen, and particularly the blood-brain barrier. We then review how nanotheranostics can be used to improve targeted delivery and treatment of cancer cells. Finally, we discuss development of nanoparticles to overcome current limitations in cancer therapy.
Insights
Cancer nanotheranostics utilizes nanotechnology for combined cancer imaging and therapy. Nanoparticles offer improved targeted delivery and treatment for challenging cancers like metastatic and drug-resistant types.
Area of Science:
- Biomedical Engineering
- Nanotechnology
- Oncology
Background:
- Cancer nanotheranostics integrates imaging and therapy using nanotechnology.
- Nanomaterials offer enhanced specificity and effectiveness against difficult-to-treat cancers.
- Metastatic, drug-resistant, and cancer stem cells present significant therapeutic challenges.
Purpose of the Study:
- To review nanotheranostic particles for cancer imaging and therapy.
- To discuss biological barriers affecting nanotheranostic delivery.
- To explore nanotherapeutics for overcoming current cancer treatment limitations.
Main Methods:
- Review of nanotheranostic particle types and their imaging applications.
- Analysis of biological barriers (e.g., blood-brain barrier) for nanomedicine.
- Examination of nanotherapeutics for targeted cancer cell delivery and treatment.
Main Results:
- Nanotheranostics can improve targeted delivery and treatment efficacy.
- Understanding biological barriers is crucial for successful nanomedicine.
- Nanoparticle engineering holds promise for overcoming therapeutic challenges.
Conclusions:
- Nanotheranostics represent a promising approach for advanced cancer treatment.
- Targeted delivery via nanotechnology can enhance therapeutic outcomes.
- Further development of nanoparticles is essential for future cancer therapies.
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