Natural Killer Cell Therapy and Cancer Treatment

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Natural killer (NK) therapy involves using natural killer cells derived from peripheral blood samples or cord blood samples as a treatment for cancerous diseases. It may be used as a treatment for those cancers that have failed to be eradicated by stem cell transplant treatment.

One article (1) looked at the use of natural killer cell therapy and the treatment of cancer. It studied ways in which NK therapy can be an effective way to kill cancer cells. They found that natural killer cell therapy directed specifically at cancer cells can preferentially kill cancer cells, leaving normal cells alone. The mechanism of action appears to be antibodies directed at cancer cells, which activate natural killer cells that go on to kill cancer cells.

They noted that this type of therapy is currently very expensive so it isn’t yet sure that it can be a cost-effective way to treat cancer.

Source: 1.Klingemann H. Challenges of cancer therapy with natural killer cells. Cytotherapy. March 2015; Volume 17, Issue 3, Pages 245–249.


Dr. Adem Gunes

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