News tagged with reactive oxygen
Scientists reveal how females store sperm for decades
(PhysOrg.com) -- Scientists have discovered that all sorts of females from birds to reptiles to insects have a nifty trick to prolong the lifespan of sperm, letting them store it for weeks, months ...
Jan 26, 2012 |
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Why do neurons die in Parkinson's disease?
Current thinking about Parkinson's disease is that it's a disorder of mitochondria, the energy-producing organelles inside cells, causing neurons in the brain's substantia nigra to die or become impaired. A study from Children's ...
Nov 10, 2011 |
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Scientists identify genes that may signal long life in naked mole-rats
Scientists at the University of Liverpool have identified high levels of a number of genes in the naked mole-rat that may suggest why they live longer than other rodents and demonstrate resistance to age-related diseases.
Nov 03, 2011 |
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Cellular repair could reduce premature aging
Researchers have identified a potential drug therapy for a premature ageing disease that affects children causing them to age up to eight times as fast as the usual rate.
Nov 02, 2011 |
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New findings may help explain high blood pressure in pregnancy
Virginia Commonwealth University School of Medicine researchers have discovered that the infiltration of white blood cells into an expectant mother's blood vessels may explain high blood pressure in pregnancy.
Oct 31, 2011 |
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Strawberries protect the stomach from alcohol
In an experiment on rats, European researchers have proved that eating strawberries reduces the harm that alcohol can cause to the stomach mucous membrane. Published in the open access journal Plos One, the st ...
Oct 25, 2011 |
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Good housekeeping maintains a healthy liver
Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.
Oct 17, 2011 |
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Researchers identify new target for treatment of type 2 diabetes and prediabetes
Researchers at the Joslin Diabetes Center have shown that an enzyme found in the mitochondria of cells is decreased in the skeletal muscle of those with diabetes, a finding that could lead to the development of drugs to boost ...
Aug 22, 2011 |
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Weakness in aging tied to leaky muscles
There is a reason exercise becomes more difficult with age. A report in the August Cell Metabolism, a Cell Press publication, ties the weakness of aging to leaky calcium channels inside muscle cells. But there is some good n ...
Aug 02, 2011 |
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The healing power of hydrogen peroxide
New information has come to light explaining how injured skin cells and touch-sensing nerve fibers coordinate their regeneration during wound healing. UCLA researchers Sandra Rieger and Alvaro Sagasti found that a chemical ...
May 24, 2011 |
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High iron, copper levels block brain-cell DNA repair
No one knows the cause of most cases of Alzheimer's, Parkinson's and other neurodegenerative disorders. But researchers have found that certain factors are consistently associated with these debilitating conditions. One is ...
May 20, 2011 |
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The traditional remedy bitter cumin is a great source antioxidant plant phenols
Bitter cumin is used extensively in traditional medicine to treat a range of diseases from vitiligo to hyperglycemia. It is considered to be antiparasitic and antimicrobial and science has backed up claims of its use to reduce ...
May 20, 2011 |
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Beneficial bacteria help repair intestinal injury by inducing reactive oxygen species
(Medical Xpress) -- The gut may need bacteria to provide a little bit of oxidative stress to stay healthy, new research suggests. Probiotic bacteria promote healing of the intestinal lining in mice by inducing ...
May 10, 2011 |
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Measuring oxidative stress can predict risk of atrial fibrillation
Measuring oxidative stress may help doctors predict the risk of developing atrial fibrillation, the most common heart beat irregularity. Research from Emory University School of Medicine has identified a connection between ...
Apr 04, 2011 |
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Scientists find key mechanism of childhood respiratory disease
Researchers have identified a critical part of the process by which one of the world's most common and dangerous early childhood infections, respiratory syncytial virus, causes disease.
Mar 07, 2011 |
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