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 ?
Decrease in functional natural killer (NK) cell activity.
Primary natural killer T cell lymphoma of the supraglottis.
Dr Siobhan Quenby from the University of Liverpool and the Liverpool Women's Hospital, a leading researcher into natural killer cells, said they attack the growing embryo and stop it from implanting properly in the womb, leading to miscarriage.
In addition, depression has been linked to immune function deficits, such as decreased natural killer cell activity, according to a presentation at the annual meeting of the American College of Psychiatrists.
In order to better understand this failure one has to focus on natural killer cells (NK) and natural killer T-cells (NKT) as elements of the inborn immune response.
In this study of 40 women, a blood sample was obtained from each subject, and the researchers then treated the sample with citalopram and/or a substance P antagonist (an experimental agent); they then measured natural killer cell activity in vitro.
In mice experiments, the division confirmed that a carrot extract fermented with Labre can effectively increase the natural killer (NK) cell activity and suppress tumor growth.
Researchers at the La Jolla Institute for Allergy & Immunology (LIAI), San Diego, have identified the bacteria, Sphingomonas, as containing a glycolipid which naturally triggers an immune response from the body's natural killer (NK) T cells.
This foundational study correlates group drumming with increased activity of natural killer cells--specialized white blood cells that seek out and destroy cancer cells and virally infected cells.
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.
Compared to other women, these yo-yo dieters had lower cytotoxicity, or ability to destroy or damage other cells, in their natural killer (NK) cells, resulting in weakened immune response.

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