News tagged with oxygen radicals
Inhibitor of Heat Shock Protein is a Potential Anticancer Drug, Study Finds
Oct 29, 2009 |
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(PhysOrg.com) -- Like yoga for office drones, cells do have coping strategies for stress. Heat, lack of nutrients, oxygen radicals - all can wreak havoc on the delicate internal components of a cell, potentially ...
Bad mitochondria may actually be good for you
Jul 22, 2009 |
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Mice with a defective mitochondrial protein called MCLK1 produce elevated amounts of reactive oxygen when young; that should spell disaster, yet according to a study in this week's JBC these mice actually age at a slower ...
New radiation-free targeted therapy detects and eliminates breast cancer tumors in mice
Mar 30, 2009 |
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Combining a compound known as a gallium corrole with a protein carrier results in a targeted cancer therapy that is able to detect and eliminate tumors in mice with seemingly fewer side effects than other breast-cancer treatments, ...
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Brain plays key role in appetite by regulating free radicals
Jul 30, 2008 |
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Researchers at Yale School of Medicine have found the brain's appetite center uses fat for fuel by involving oxygen free radicals—molecules associated with aging and neurodegeneration. The findings, reported in the journal ...
Can rectal vitamin E induce remission in patients with mild to moderate ulcerative colitis?
Oct 31, 2008 |
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It is believed that the generation of an exaggerated intestinal immune response to otherwise innocuous stimuli along with generation of oxygen free radicals plays a key role in the pathophysiology of UC. However, no disease-specific ...
A new way to look at lung cancer and tobacco carcinogens
May 28, 2008 |
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Two types of cancer-causing agents in cigarettes—a nicotine-derived chemical and polycyclic aromatic hydrocarbons (PAHs) are the main culprits in lung cancer. Exposure to tobacco smoke – both mainstream and ...
Cigarette smoke may rob children of needed antioxidants
May 04, 2009 |
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Children exposed to cigarette smoke have lower levels of antioxidants, which help the body defend itself against many biological stresses.
Why some prostate cancer returns
May 27, 2009 |
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The majority of men who receive one of the standard treatments for localized prostate cancer - surgery or radiation therapy - have an excellent outcome.
How cells die determines whether immune system mounts response
Jul 17, 2008 |
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Every moment we live, cells in our bodies are dying. One type of cell death activates an immune response while another type doesn't. Now researchers at Washington University School of Medicine in St. Louis and St. Jude's ...
How vitamin C stops the big 'C'
Sep 10, 2007 |
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Nearly 30 years after Nobel laureate Linus Pauling famously and controversially suggested that vitamin C supplements can prevent cancer, a team of Johns Hopkins scientists have shown that in mice at least, vitamin C - and ...
Study: Added oxygen during stroke reduces brain tissue damage
Medicine & Health / Neuroscience
Oct 19, 2009 |
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Scientists have countered findings of previous clinical trials by showing that giving supplemental oxygen to animals during a stroke can reduce damage to brain tissue surrounding the clot.
Chemists find important contributor to smog
Mar 20, 2008 |
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Chemists at the University of California, San Diego have discovered that a chemical reaction in the atmosphere above major cities long assumed to be unimportant in urban air pollution is in fact a significant ...
Source of major health benefits in olive oil revealed
Apr 02, 2009 |
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Scientists have pinned down the constituent of olive oil that gives greatest protection from heart attack and stroke. In a study of the major antioxidants in olive oil, Portuguese researchers showed that one, DHPEA-EDA, protects ...
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