Natural Killer Cells (NK Cells)


Natural killer cells (or NK cells) are a type of cytotoxic (or cell toxic) lymphocyte that constitutes a major component of the immune system.

NK cells play a major role in the killing of cancerous tumors and cells infected by viruses. The cells kill by releasing small granules of proteins called perforin and granzyme that cause the target cell to die by apoptosis (cell suicide) or necrosis.

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Cellular and Molecular Immunology by Abbul K. Abbas & Andrew Lichtman Saunders Copyright 2003

About The Author

Kelley Herring, founder of Healing Gourmet, is a natural nutrition enthusiast with a background in biochemistry. Her passion is educating on how foods promote health and protect against disease and creating simple and delicious recipes for vibrant health and enjoyment.

Kelley Herring – who has written posts on Healing Gourmet.

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