期刊
HORMONE AND METABOLIC RESEARCH
卷 40, 期 2, 页码 122-125出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2007-1004576
关键词
natural killer cells; targeted cellular immunotherapy; chimeric antigen receptor
Natural killer (NK) cells are believed to be important contributors to a patient's immune armamentarium to fight cancer. However, cancer patients have reportedly defective NK cells and the malignant target frequently has developed mechanisms to escape detection of INK cells. Our research is aimed at overcoming this NK cell paralysis through three different approaches: instead of using autologous NK cells for adoptive immunotherapy, allogeneic NK cells are used that are not inhibited by self histocompatibility antigens. Further, INK cells, selected for a high affinity Fc receptor can, together with monoclonal antibodies, kill targets through ADCC irrespective of any inhibitory receptors. Finally, the genetic engineering of NK cells to express chimeric antigen receptors recognizing antigens on tumor target can overcome inhibitory mechanism and effectively lyse tumor cells.
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