natural killer cell

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natural killer cell

[¦nach·rəl ′kil·ər ‚sel]
(histology)
A large, granular lymphocyte that can lyse a variety of target cells when it is activated by interferon. Abbreviated NK.
References in periodicals archive ?
Weissman, "Use of a SCID mouse/human lymphoma model to evaluate cytokine-induced killer cells with potent antitumor cell activity," The Journal of Experimental Medicine, vol.
Compromised function of natural killer cells in acute and chronic viral hepatitis.
A prime reason for the severe immune disorders suffered by the elderly is the marked decrease in naive T-cells and functional natural killer cells, with a concomitant increase in memory T-cells.
Finally in November last year, they started the rigorous process again, but this time, scientists decided to combat the Natural Killer Cells by giving Cathy two Intralipid infusions of egg yolk and soya oil, once when the fertilised embryos were put back inside her, and again when she had a positive pregnancy test.
twitter Lorraine paid PS1,000 for the biopsy which assessed her natural killer cell and then was subsequently treated with intra-lipids - which is a food supplement that by chance was discovered to also temporarily weaken the immune system, allowing an embryo to grow.
Research has shown that some women who suffer recurrent miscarriages have increased numbers of natural killer cells.
Severe life stress decreases both these natural killer cells and cytotoxic T lymphocytes, he added.
Dr Quenby said: 'The reason I'm excited is that there was a dramatic reduction in natural killer cells in nearly everybody.
However, the biodefence against neoplastic cells or microbe infection involves several cell lineages, such as natural killer cells (NK cells) and macrophage.
It also activates production of natural killer cells that eliminate viruses and cancer cells, supports heart and kidney function, detoxifies the liver and enhances energy.