News tagged with nk cells

Gene knockout stops immune cell development

(Medical Xpress)—Researchers at the Wellcome Trust Sanger Institute have identified the key gene in ensuring that our immune defences develop infection-fighting cells. No cells of the adaptive immune system ...

Dec 11, 2012
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Researchers find source of new lineage of immune cells

The elusive progenitor cells that give rise to innate lymphoid cells—a recently discovered group of infection-fighting white blood cells—have been identified in fetal liver and adult bone marrow of mice, researchers from ...

Feb 12, 2014
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Overactive immune response blocks itself

As part of the innate immune system natural killer cells (NK cells) play an important role in immune responses. For a long time they have been known as the first line of defense in the fight against infectious ...

Jul 26, 2013
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How the immune system fights off malaria

The parasites that cause malaria are exquisitely adapted to the various hosts they infect—so studying the disease in mice doesn't necessarily reveal information that could lead to drugs effective against ...

Jan 13, 2014
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Enhancing the effectiveness of a breast cancer treatment

Breast cancers expressing the protein HER2 have a particularly poor prognosis. Treatment with trastuzumab (Herceptin) benefits some patients with HER2-positive breast cancer, but it is not as effective as had been hoped. ...

Feb 13, 2012
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Invisibility cloak for immune cells

The human immune system is very complex. A large number of different cells with various functions ensure that invading microorganisms such as viruses or bacteria can quickly be rendered innocuous and the ...

Jun 25, 2014
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Natural (born) killer cells battle pediatric leukemia

Researchers at Children's Hospital Los Angeles have shown that a select team of immune-system cells from patients with leukemia can be multiplied in the lab, creating an army of natural killer cells that ...

Aug 19, 2014
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