News tagged with killer cell
Under the Microscope #6 -- Killer T-cells
In this video we see a killer T-cell of the immune system attacking a cancer cell.
Feb 07, 2012 |
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'Pep talk' can revive immune cells exhausted by chronic viral infection
Chronic infections by viruses such as HIV or hepatitis C eventually take hold because they wear the immune system out, a phenomenon immunologists describe as exhaustion.
Dec 13, 2011 |
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Research describes advantages of new vaccine adjuvant
New research from the laboratory of Dr. Elizabeth Leadbetter at the Trudeau Institute may lead to a whole new class of vaccines. Dr. Leadbetter's lab has discovered new properties of a potential vaccine adjuvant that suggest ...
Dec 12, 2011 |
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Discovery may help fight late-stage ovarian cancer
A potential breakthrough in treating late-stage ovarian cancer has come from University of Guelph researchers who have discovered a peptide that shrinks advanced tumours and improves survival rates for this deadly but often ...
Nov 16, 2011 |
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Natural killer cells could be key to anthrax defense
One of the things that makes inhalational anthrax so worrisome for biodefense experts is how quickly a relatively small number of inhaled anthrax spores can turn into a lethal infection. By the time an anthrax victim realizes ...
Oct 27, 2011 |
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Infection is an important post-stroke problem
After a stroke the brain tries to protect itself by blocking all inflammation. However, this also makes the patient highly susceptible to infection which can lead to death. Researchers have now discovered the mechanism behind ...
Oct 26, 2011 |
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Unraveling the mysteries of the natural killer within us
Scientists have discovered more about the intricacies of the immune system in a breakthrough that may help combat viral infections such as HIV.
Oct 24, 2011 |
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Exceptional cognitive and physical health in old age leaves immunological fingerprint
Exceptional cognitive and physical function in old age leaves a tell-tale immunologic fingerprint, say researchers at the University of Pittsburgh and Children's Hospital of Pittsburgh of UPMC. Likewise, older adults who ...
Oct 21, 2011 |
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Surprising role for suppressive cytokine in antiviral immune responses
(Medical Xpress) -- A molecule normally implicated in restraining immune responses is also capable of stimulating defences against virus infection, according to new research, by promoting the survival of a population of immune ...
Sep 15, 2011 |
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Cancer-killing cells are caught on film in more 3D detail than ever before
Scientists reveal in more detail than ever before how white blood cells kill diseased tissue using deadly granules, in research published today in PLoS Biology.
Sep 14, 2011 |
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In immune cells, 'super-res' imaging reveals natural killers' M.O.
Making use of a new "super resolution" microscope that provides sharp images at extremely small scales, scientists have achieved unprecedented views of the immune system in action. The new tool, a stimulated ...
Sep 13, 2011 |
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'Dirty' wild mice may be more relevant immunology model
Like humans, mice that live in their natural habitat encounter bacteria and other pathogens that exercise their immune system, yet the lab mice typically used in immunology studies are raised in isolation from most diseases. ...
Sep 08, 2011 |
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Natural killer cells contribute to immune response against HIV
A new study shows for the first time that natural killer (NK) cells, which are part of the body's first-line defence against infection, can contribute to the immune response against HIV. In an article in the August 4 issue ...
Medicine & Health / HIV & AIDS
Aug 03, 2011 |
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How killer immune cells avoid killing themselves
After eight years of work, researchers have unearthed what has been a well-kept secret of our immune system's success. The findings published online on June 9th in Immunity offer an explanation for how specialized immune ...
Jun 09, 2011 |
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Researchers identify new cell that attacks dengue virus
Mast cells, which can help the body respond to bacteria and pathogens, also apparently sound the alarm around viruses delivered by a mosquito bite, according to researchers at Duke-NUS Graduate Medical School in Singapore.
May 16, 2011 |
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