News tagged with mice lacking
Molecules help the immune system to detect cells infected with West Nile virus
Feb 05, 2009 |
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New research reveals a model of host-pathogen interaction that explains how the immune system finds and destroys cells infected with a potentially lethal brain virus. The study, published online on February 5th in Immunity, a Cell ...
Growth of new brain cells requires 'epigenetic' switch
Jan 08, 2009 |
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New cells are born every day in the brain's hippocampus, but what controls this birth has remained a mystery. Reporting in the January 1 issue of Science, neuroscientists at the Johns Hopkins University School of Medicine have d ...
Scientists identify 'border patrol agents' in the gut
Biology /
Dec 08, 2008 |
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Researchers at UT Southwestern Medical Center have shown in mice how and under what circumstances the gut activates its defensive mechanisms to prevent illness.
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Workplace BPA exposure increases risk of male sexual dysfunction
2 hours ago |
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High levels of workplace exposure to Bisphenol-A may increase the risk of reduced sexual function in men, according to a Kaiser Permanente study appearing in the journal Human Reproduction.
Study shows that some malignant tumors can be shut down after all
Nov 09, 2009 |
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Oncologists have had their hands tied because more than half of all human cancers have mutations that disable a protein called p53. As a critical anti-cancer watchdog, p53 masterminds several cancer-fighting operations within ...
Study shows neural stem cells in mice affected by gene associated with longevity
Nov 05, 2009 |
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(PhysOrg.com) -- A gene associated with longevity in roundworms and humans has been shown to affect the function of stem cells that generate new neurons in the adult brain, according to researchers at the Stanford University ...
Survival of the healthiest: Selective eradication of malignant cells
Nov 05, 2009 |
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The ultimate goal in cancer research, a treatment that kills cancer cells whilst leaving healthy cells untouched, is brought nearer by the success of a new therapeutic approach. The potential therapy, published in BioMed ...
Scientists reveal a new mechanism that increases atherosclerosis in mice
Nov 05, 2009 |
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(PhysOrg.com) -- For all the good it does, a liver protein that senses and gets rid of drugs and pollutants from our body has a downside. For the first time, it has been shown that when it is chronically activated, ...
McGill researchers identify key genetic factors which can lead to cancer
Nov 03, 2009 |
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(PhysOrg.com) -- Researchers at McGill University have discovered a previously unknown series of interactions between genes that control whether cells become cancerous. The discovery may lead to a new generation of targeted ...
Researchers have immune cells running in circles
Nov 02, 2009 |
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(PhysOrg.com) -- University of Illinois at Chicago College of Medicine researchers have identified the important role a protein plays in the body's first line of defense in directing immune cells called neutrophils toward ...
Sight gone, but not necessarily lost? Researchers find life in blood-starved retinas
Oct 30, 2009 |
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Like all tissues in the body, the eye needs a healthy blood supply to function properly. Poorly developed blood vessels can lead to visual impairment or even blindness. While many of the molecules involved in guiding the ...
Genetic links to fungal infection risk identified
Oct 28, 2009 |
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(PhysOrg.com) -- Two genetic mutations that may put individuals at increased risk of fungal infections have been identified by scientists from UCL and Radboud University, increasing understanding about the genetic basis of ...
Protein critical for insulin secretion may be contributor to diabetes
Oct 26, 2009 |
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A cellular protein from a family involved in several human diseases is crucial for the proper production and release of insulin, new research has found, suggesting that the protein might play a role in diabetes.
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