期刊
NUCLEAR MEDICINE AND MOLECULAR IMAGING
卷 51, 期 2, 页码 118-126出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13139-016-0415-z
关键词
Bacteria-mediated cancer therapy (BMCT); Salmonella typhimurium; Cancer; Molecular imaging; Targeting; Immune system
资金
- Pioneer Research Center Program through the National Research Foundation of Korea - Ministry of Science, ICT & Future Planning [2015M3C1A3056410]
- Bio & Medical Technology Development Program of the National Research Foundation (NRF) - Ministry of Science, ICT & Future Planning [NRF-2014M3A9B5073747]
- National Research Foundation of Korea [2014M3A9B5073747, 2015M3C1A3056410] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The use of bacteria for cancer therapy, which was proposed many years ago, was not recognized as a potential therapeutic strategy until recently. Technological advances and updated knowledge have enabled the genetic engineering of bacteria for their safe and effective application in the treatment of cancer. The efficacy of radiotherapy depends mainly on tissue oxygen levels, and low oxygen concentrations in necrotic and hypoxic regions are a common cause of treatment failure. In addition, the distribution of a drug is important for the therapeutic effect of chemotherapy, and the poor vasculature in tumors impairs drug delivery, limiting the efficacy of a drug, especially in necrotic and hypoxic regions. Bacteria-mediated cancer therapy (BMCT) relies on facultative anaerobes that can survive in well or poorly oxygenated regions, and it therefore improves the therapeutic efficacy drug distribution throughout the tumor mass. Since the mid-1990s, the number of published bacterial therapy papers has increased rapidly, with a doubling time of 2.5 years in which the use of Salmonella increased significantly. BMCT is being reevaluated to overcome some of the drawbacks of conventional therapies. This review focuses on Salmonella-mediated cancer therapy as the most widely used type of BMCT.2.
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