News tagged with immune defense
Related topics: immune response , immune system
Immunoproteasome crystal structure determined
Like a shredder, the immunoproteasome cuts down proteins into peptides that are subsequently presented on the cellular surface. The immune system can distinguish between self and nonself peptides and selectively ...
Feb 16, 2012 |
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New information on the waste-disposal units of living cells
Important new information on one of the most critical protein machines in living cells has been reported by a team of researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory ...
Jan 11, 2012 |
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New class of drugs for the reversible inhibition of proteasomes
As the "recycling plant" of the cell, the proteasome regulates vitally important functions. When it is inhibited, the cell chokes on its own waste. Cancer cells, in particular, are very sensitive because they ...
Nov 22, 2011 |
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Bacteria responsible for common infections may protect themselves by stealing immune molecules
Bacteria responsible for middle ear infections, pink eye and sinusitis protect themselves from further immune attack by transporting molecules meant to destroy them away from their inner membrane target, according to a study ...
Nov 17, 2011 |
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Heavy metals boost immunity
A new natural defense mechanism against infections has been evidenced by an international team led by researchers from CNRS, Inserm, the Institut Pasteur and the Universite Paul Sabatier – Toulouse III. ...
Sep 21, 2011 |
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Human-specific evolution in battling bugs and building babies
Although human and chimpanzee immune systems have many identical components, this is not the case for the family of killer cell immunoglobulin-like receptors (KIR) controlling white blood cells known as natural killer (NK) ...
Nov 04, 2010 |
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Entirely new drug for Alzheimer’s now being tested on patients
An entirely new type of pharmaceutical substance for Alzheimer’s disease developed by Uppsala scientists is now starting to be clinically tested in the US. It attacks the early stage of the protein filaments that cause the ...
Medicine & Health / Medications
Sep 24, 2010 |
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Researchers probe arsenic effects on cells, immune system
(PhysOrg.com) -- In continuing research on the effects of arsenic on mast cells, which help regulate the body’s immune system and organ function, University of Maine biochemist Julie Gosse and a team of student researchers ...
Medicine & Health / Medical research
Aug 17, 2010 |
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Why is breast milk best? It's all in the genes
Is breast milk so different from infant formula? The ability to track which genes are operating in an infant's intestine has allowed University of Illinois scientists to compare the early development of breast-fed and formula-fed ...
May 12, 2010 |
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Rejuvenating the old immune system
By comparing the immune responses of both, young and old mice, to bacterial infection they found that the number of macrophages, one of the major cell populations involved in the elimination of infecting bacteria, decreases ...
Medicine & Health / Medical research
Jan 26, 2010 |
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New finding in cell migration may be key to preventing clots, cancer spread
Researchers at the University of Illinois at Chicago College of Medicine have discovered how cells in the body flatten out as they adhere to internal bodily surfaces, the first step in a wide range of important processes ...
Medicine & Health / Medical research
Jan 14, 2010 |
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Study reveals how plants and bacteria 'talk' to thwart disease
When it comes to plants' innate immunity, like many of the dances of life, it takes two to tango. A receptor molecule in the plant pairs up with a specific molecule on the invading bacteria and, presto, the immune system ...
Nov 05, 2009 |
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Diarrhea disorder Giardiasis caused by two different parasite species
(PhysOrg.com) -- Researchers from Uppsala University and the Karolinska Institute have found major genetic differences between the human variants of the intestinal parasite Giardia intestinalis. Sequencing of the genomes ...
Aug 21, 2009 |
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Friendly gut bacteria lend a hand to fight infection, study suggests
Immunology researchers at UT Southwestern Medical Center have found that bacteria present in the human gut help initiate the body's defense mechanisms against Toxoplasma gondii, the parasite responsible for to ...
Aug 19, 2009 |
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MSU professor studies links between gastric bypass, immune system
While the massive weight loss associated with gastric bypass surgery is beneficial, some patients may face malnutrition, poor wound healing and infection as their immune systems adjust to the extreme decrease ...
Medicine & Health / Medical research
Jul 30, 2009 |
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