Understanding of molecular mechanisms in natural killer cell therapy

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Title
Understanding of molecular mechanisms in natural killer cell therapy
Author(s)
Suk Ran YoonTae-Don KimIn Pyo Choi
Bibliographic Citation
Experimental and Molecular Medicine, vol. 47, no. 2, pp. e141-e141
Publication Year
2015
Abstract
Cancer cells and the immune system are closely related and thus influence each other. Although immune cells can suppress cancer cell growth, cancer cells can evade immune cell attack via immune escape mechanisms. Natural killer (NK) cells kill cancer cells by secreting perforins and granzymes. Upon contact with cancer cells, NK cells form immune synapses to deliver the lethal hit. Mature NK cells are differentiated from hematopoietic stem cells in the bone marrow. They move to lymph nodes, where they are activated through interactions with dendritic cells. Interleukin-15 (IL-15) is a key molecule that activates mature NK cells. The adoptive transfer of NK cells to treat incurable cancer is an attractive approach. A certain number of activated NK cells are required for adoptive NK cell therapy. To prepare these NK cells, mature NK cells can be amplified to obtain sufficient numbers of NK cells. Alternatively, NK cells can be differentiated and amplified from hematopoietic stem cells. In addition, the selection of donors is important to achieve maximal efficacy. In this review, we discuss the overall procedures and strategies of NK cell therapy against cancer.
ISSN
I000-0028
Publisher
Springer-Nature Pub Group
DOI
http://dx.doi.org/10.1038/emm.2014.114.
Type
Article
Appears in Collections:
Division of Biomedical Research > Immunotherapy Research Center > 1. Journal Articles
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