Certain genes boost fish oils' protection against breast cancer
...ed by drugs that increase lipid peroxidation. When antioxidants are introduce to battle the effects of peroxidation, though, the cancer continues to grow. "Our findings may have practical implications in treatment and prevention strategies for breast cancer," says Gago-Dominguez. "Marine n-3 fatty acids have been...Frogs muscle-in on 'wasting' process
...hypotheses suggest that it produces high levels of antioxidants within the muscle, which inhibit muscle protein breakdown normally associated with disuse. "In aestivation, the frog can lower its metabolic rate by about 90 per cent and unlike animals undergoing hibernation it does this while it's still warm," Dr...Antioxidants during pregnancy may help prevent birth defects tied to alcohol
...he risk of birth defects in their babies by taking antioxidants during pregnancy, a University of North Carolina a...ue is that it shows for the first time that giving antioxidants to a pregnant mother at the same time she's exposed to alcohol can diminish the incidence of major m...Antibiotics alter GI tract microbes and increase lung sensitivity to allergens
... "We know from laboratory experiments that dietary antioxidants called polyphenols, which are found in fruits and vegetables, can limit fungal growth and that a diet high in saturated fats and sugars slows the recovery of normal gut microflora," Huffnagle adds. "The Mediterranean diet is rich in sources of polyph...Could vitamins raise levels of bad cholesterol? Animal study suggests they might
...se these vitamins," says Dr. Fisher. Overall, antioxidants usually have been considered healthful. The vitami... antioxidants. Surprisingly, his group found that antioxidants hampered a process in the liver that prevents the production of harmful lipoproteins. When cell...Oxidation processes basis of interdisciplinary research, graduate training
...uncan and Long are exploring controlled release of antioxidants by polymeric films. Thatcher and his colleagues in veterinary medicine are also interested in nutrition and in the roles of free radicals in disease, and will help the MILES researchers understand the biomedical implications and evaluate the success ...Research adds health benefit to tomatoes
...th-promoting pigments in red wine that function as antioxidants and are believed to prevent heart disease. Their research is featured as the cover story in the latest issue of the Journal of Heredity . Domestic tomato varieties grown and consumed in the United States do not normally produce fruit containing a...New study may explain how fats damage neurons in Alzheimer's patients
...e new findings also provide an explanation for how antioxidants such as vitamin E might delay the onset of Alzheimer's, suggesting possible new directions for treatment of the disease: The NIA team first established that levels of ceramide and cholesterol were increased in brain cells from deceased Alzheimer's p...New antioxidants are 100 times more effective than vitamin E
...nal team of chemists has developed a new family of antioxidants that are up to 100 times more effective than Vitam...en in tissues and other materials. So far, the new antioxidants have been tested "in vitro" in the test tube. But studies with biological molecules, such as choles...New standard on the menu, certified slurried spinach
...utein. Although the actual amounts look small (the antioxidants constitute 0.0019 percent and 0.0033 percent of the spinach by mass, respectively), spinach contains far more of the two combined than most other fruits or vegetables. Antioxidants help fight formation of free radicals, highly reactive molecules that...Scientists identify genes that regulate allergic response to diesel fumes
...ticles, a common air pollutant. The body generates antioxidants to detoxify harmful particles and limit the corres...suggest that people who lack the genes to make key antioxidants may have difficulty fighting the harmful effects of air pollution." Dr. Diaz-Sanchez says that he an...Diet may improve cognition, slow aging, and help protect against cosmic radiation
...ng the "right" foods --specifically, those high in antioxidants -- may help defend astronauts from brain-damaging ... typically develops with age. Studies suggest that antioxidants may also protect against certain cancers, heart disease and other non-neurological age-related disea...Hot cocoa tops red wine and tea in antioxidants; may be healthier choice
...own that the popular winter beverage contains more antioxidants per cup than a similar serving of red wine or tea ...largest scientific society. "Although we know that antioxidants are important for good health, nobody knows the exact daily amount required per person," says Chang ...Scientists, physicians discuss latest discoveries for stopping cancer before it starts
...the formation of certain lesions and tumors. The antioxidants in grapes and wine decrease the odds of developing skin cancer from exposure to ultraviolet light; so do some non-steroidal anti-inflammatory drugs. Changes in the nucleus of some cells can serve as predictors of cancer susceptibility. More than ...Are the bright colors of some avian eggs signaling female genetic quality to their mates?
...pacity to destroy deleterious free radicals. Using antioxidants to colour their eggs may signal that females can sustain the cost of removing them from metabolism. Egg ground colour has been shown to be heritable in some species and very variable within avian taxa, a typical characteristic of sexually selected t...Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
...ter insight into respiration and the absorption of antioxidants in animal cells." The report appears today (Thursday, 10/2) in the journal Science's online edition, Science Express. The first two authors on the manuscript are Genji Kurisu, visiting scholar from Osaka University, Japan, and Huamin Zhang, associate...JCI Table of Contents, September 15, 2003
... to oxidant signaling and stress by lowering thiol antioxidants in bone resorbing cells. This mechanism provides n...porosis therapies. TITLE: A crucial role for thiol antioxidants in estrogen-deficiency bone loss AUTHOR CONTACT: Timothy J. Chambers St. George's Hospital Medical ...Fears of second-hand smoke confirmed
...igarette smoke. Moreover, the protective effect of antioxidants such as NAC against the toxic effects of cigarette smoke underlines the importance of this class of molecules in the treatment of tobacco smoke-induced pulmonary diseases....Two synthetic antioxidants that may prove to be more powerful versions of tho...e not only smaller but more effective than typical antioxidants because catalytic activity enabled them to fight more than one free radical. If the two naturally-oc......flavonoids from green tea) and 150 mg of other tea antioxidants called polyphenols. It is equivalent to 35 cups of high-quality black tea and seven cups of green tea. The National Cholesterol Education Program recommends eating a low-fat, low-cholesterol diet with more viscous fiber and switching from butter to ...