News tagged with immune mechanisms
Social status promotes faster wound healing in wild baboons
Turns out it's not bad being top dog, or in this case, top baboon.
May 21, 2012 |
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Frontal attack or stealth? How subverting the immune system shapes the arms race between bacteria and hosts
Why is it that Mycobacterium tuberculosis can cause tuberculosis with as little as 10 cells, whereas Vibrio cholerae requires the host to ingest up to tens of millions of cells to cause cholera? This is the ...
Feb 27, 2012 |
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Toxins from diseased brain cells make diseases of the brain even worse
Sometimes our immune defence attacks our own cells. When this happens in the brain we see neurodegenerative diseases such as dementia, Alzheimer's and Parkinson's disease. But if the the immune defence is inhibited, the results ...
Feb 22, 2012 |
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Shedding light on how body fends off bacteria
To invade organisms such as humans, bacteria make use of a protein called flagellin, part of a tail-like appendage that helps the bacteria move about. Now, for the first time, a team led by scientists at The ...
Feb 16, 2012 |
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Study presents new insight into plant immunity
Researchers have identified an important cog in the molecular machinery of plant immunity - a discovery that could help crop breeders produce disease-resistant varieties to help ensure future food security. There may also ...
Oct 02, 2011 |
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Researchers find genes that help frogs resist fungus
(PhysOrg.com) -- For several decades, the fungal pathogen Batrachochytrium dendrobatidis (Bd) has been decimating frogs, yet some populations and species have been able to resist the fatal disease, called ...
Sep 27, 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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Clustering gene expression changes reveals pathways toward glaucoma prevention
Using a method that involved the clustering of samples that showed similarity in expression profiles, Jackson Laboratory researchers were able to identify molecular signatures of early events in glaucoma progression -- events ...
Medicine & Health / Medical research
Mar 07, 2011 |
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Scientists redefine the role of plasma cells in the immune system
A team of scientists from The Scripps Research Institute have uncovered a previously unknown regulatory mechanism in the body's response to eliminate pathogens, such as bacteria and viruses. The findings challenge a long-held ...
Medicine & Health / Medical research
Nov 30, 2010 |
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Tolerating foreign materials in food
An international team of molecular biologists led by RIKEN researchers (Japan) has unraveled key details of the molecular mechanism whereby the body’s immune system determines what to attack among the ...
Medicine & Health / Medical research
Nov 12, 2010 |
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Novel sensing mechanism discovered in dendritic cells to increase immune response to HIV
Dendritic cells are the grand sentinels of the immune system, standing guard 24/7 to detect foreign invaders such as viruses and bacteria, and bring news of the invasion to other immune cells to marshal an ...
Medicine & Health / HIV & AIDS
Sep 08, 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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Researchers examine human immune response to virus at the atomic level
A team of biochemists has identified the molecular mechanism by which an immune response is triggered by the invading viruses, according to recent research.
Jul 15, 2010 |
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Uncapping the mystery behind the mechanism of cap removal from actin filaments
In this study, Shuichi Takeda at Nagoya University and colleagues present the X-ray crystal structures of the actin capping protein (CP) complexed with its inhibitors, V-1 and CARMIL, and demonstrate that the two regulators ...
Jul 06, 2010 |
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Researchers Show How Active Immune Tolerance Makes Pregnancy Possible
(PhysOrg.com) -- The concept of pregnancy makes no sense -- at least not from an immunological point of view. After all, a fetus, carrying half of its father's genome, is biologically distinct from its mother. The fetus is ...
Medicine & Health / Medical research
Jul 01, 2010 |
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