期刊
ADVANCED DRUG DELIVERY REVIEWS
卷 60, 期 15, 页码 1600-1614出版社
ELSEVIER
DOI: 10.1016/j.addr.2008.08.004
关键词
Radiation therapy; Radiosensitization; Radioprotection; Photodynamic therapy; Photosensitization; Ionizing radiation; Radicals; Singlet oxygen
资金
- Research Council of Norway [182058]
- Norwegian Radium Hospital Research Foundation [FU0802]
- UTA
- NSF
- DHS [CBET-0736172]
- DOD [HDTRA1-08-P-0034, W81XWH-08-1-0450]
- U.S. Department of Defense Breast Cancer Research Program
- National Institute of Health
- FCT [PTDC/BIO/69359/2006]
- EU
- Fundação para a Ciência e a Tecnologia [PTDC/BIO/69359/2006] Funding Source: FCT
Semiconductor quantum dots and nanoparticles composed of metals, lipids or polymers have emerged with promising applications for early detection and therapy of cancer. Quantum dots with unique optical properties are commonly composed of cadmium contained semiconductors. Cadmium is potentially hazardous, and toxicity of such quantum dots to living cells, and humans, is not yet systematically investigated. Therefore, search for less toxic materials with similar targeting and optical properties is of further interest. Whereas, the investigation of luminescence nanoparticles as light sources for cancer therapy is very interesting. Despite advances in neurosurgery and radiotherapy the prognosis for patients with malignant gliomas has changed little for the last decades. Cancer treatment requires high accuracy in delivering ionizing radiation to reduce toxicity to surrounding tissues. Recently some research has been focused in developing photosensitizing quantum dots for production of radicals upon absorption of visible light. In spite of the fact that visible light is safe, this approach is suitable to treat only superficial tumours. Ionizing radiation (X-rays and gamma rays) penetrate much deeper thus offering a big advantage in treating patients with tumours in internal organs. Such concept of using quantum dots and nanoparticles to yield electrons and radicals in photodynamic and radiation therapies as well their combination is reviewed in this article. (c) 2008 Elsevier B.V. All rights reserved.
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