As part of the innate immune system, natural killer (NK) cells form the first line of defence against pathogens or transformed/cancerous host cells. Recent experimental and clinical data show the possibility of exploiting NK activity as a cell-based immunotherapy to treat cancer. This review discusses the recent knowledge on NK cell biology that has impacted on its development as a treatment for cancer.
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Center for Cardiovascular Research, Division of Cardiology, Department of Medicine, Washington University School of Medicine, 660 S Euclid Ave, Campus Box 8086, St. Louis, MO, 63110, USA.
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Recent Findings: Recent research demonstrates that vaccination and infection not only activate immune responses in circulating monocytes and tissue macrophages but also affect immune progenitor cells within the bone marrow environment, conferring lasting protection against heterologous infections.
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