Tag: "vitamin" at biology news

Lycopene slows human prostate tumour growth in mice and combined with vitamin E is even better

... its effect may be enhanced if it is combined with vitamin E. A number of epidemiological studies have alrea...pene alone, one low and one high dose of synthetic vitamin E alone and a combination of low dose synthetic lycopene and vitamin E or a placebo. The researchers...

Chemical derived from vitamin-E shows early promise as cancer drug

...nary evidence that a novel compound that resembles vitamin E halves the size of tumors and the ability of can...tically identical mice, which were given the novel vitamin E compound either orally or by aerosol. Based on earlier, similar findings by Kline and colleagu...

New study indicates arsenic could be suitable as first-line treatment in type of leukaemia

...chemotherapy plus ATRA (All Trans-Retinoic Acid a vitamin A-based substance) is between 60 and 80 percent. "There have been a few studies done using arsenic trioxide on a limited number of newly diagnosed patients, but we are the first group to suggest that it is acceptable as a first-line treatment," said ...

Fortifying food with folic acid benefits babies

...s is poorly understood, yet the evidence that this vitamin is of benefit is clear. Since 1992, many health or...ed intake of folic acid could mask the symptoms of vitamin B12 deficiency, a disorder that affects 10-15% of the population over 60. Yet this study provided no...

16th EORTC NCI AACR Symposium 'Molecular Targets and Cancer Therapeutics'

...* Dr. Jacqueline Limpens: Study shows lycopene and vitamin E inhibits growth of prostate tumours in mice, underpinning epidemiological evidence. Phase II trial in patients now under way. * Dr. Olivier Feron: A revolutionary approach to angiogenesis - exploiting tumour blood vessels to boost chemotherapy and ...

Certain genes boost fish oils' protection against breast cancer

...r chemotherapy are advised not to take antioxidant vitamin supplements-understanding the anti-cancer effect of marine n-3 fatty acids may be important to finding the mechanisms for killing cancer cells."...

Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds

...e of the 2004 survey, 37 percent reported taking a vitamin containing folic acid daily, up from 30 percent in 2003. Daily consumption of the B vitamin folic acid beginning before pregnancy is crucial because serious birth defects of the brain and spin...

New research suggests early diet may play key role in protecting against childhood leukaemia

... The association is thought to be due to the high vitamin and mineral content of both oranges and bananas. Oranges are rich in vitamin C, an antioxidant that may prevent oxidative damage to DNA, thus protecting against carcinogenesis. ...

Researchers discover why mutant gene causes colon cancer

...xplain that APC controls the conversion of dietary vitamin A into retinoic acid. If this process is impaired,...Program. "What we didn't know was that it converts vitamin A into retinoic acid, which is vital for normal colon cell development." Jones' lab had recentl...

New research suggests link between maternal diet and childhood leukemia risk

...ia in a child. Researchers also studied the use of vitamin supplements, but did not find a statistically significant link to childhood leukemia risk. A growing number of scientists believe that genetic changes linked to cancer later in life begin in the womb. "It goes back to the old saying to expec...

Final Alert: 16th EORTC NCI AACR Symposium

...ly study targeting TRAIL R2 protein Lypcopene and vitamin E inhibits prostate tumours new laboratory results underpin epidemiological evidence patient trial now started International trial finds acne-type side effect predicts effectiveness of new targeted treatment Laboratory tests show gossypol abando...

Improved nutrition could reduce malaria burden worldwide

...attributable to undernutrition and deficiencies of vitamin A, zinc, iron and folate, according to a new repor...onal status in many countries. Widespread zinc and vitamin A deficiencies in malaria endemic regions contribute to growth faltering and compromise a child's ab...

Alterations in vitamin D receptor gene increase prostate, breast cancer risk

Subtle differences in the receptor for vitamin D reverse the anti-cancer action of the sunshine v...ucasian women who carried specific versions of the vitamin D receptor gene, or VDR, not only experienced increased risk for this cancer but may also be more pr...

Rutgers cancer prevention expert calls for FDA action to reduce colon cancer and osteoporosis

...action involves the simple addition of calcium and vitamin D to the existing FDA-mandated enrichment mix in p...s consume seriously inadequate dietary calcium and vitamin D far below the recommended levels established by the Food Nutrition Board, Institute of Medicine o...

Scientist honored for studies of genetic influence on chemotherapy, tumor development

... who received the Nobel Prize for his discovery of vitamin C. ...

Antioxidants during pregnancy may help prevent birth defects tied to alcohol

...th problems.Examples of antioxidants are selenium, vitamin C and E, zinc and superoxide dismutase (or SOD), a...generation. "We have used superoxide dismutase and vitamin E and found that in the presence of ethanol both agents reduce free radical production," he said. ...

Study finds first evidence COX-2 enzymes can regulate DNA damage

...s new data that support his earlier discovery that vitamin C can increase DNA damage. His 2001 article in Sci...the first to report a potential negative effect of vitamin C and thus caused a firestorm of attention, although Dr. Blair was careful to spell out that he beli...

UF researcher: New low-carb potato to debut in January

...d source of fiber, protein and vitamins. They have vitamin C and B-6, and they are low in sodium and high in potassium. And, potato skins are an excellent source of fiber," Hutchinson said. Independent research in Canada confirmed the spud's low-carbohydrate profile. Hutchinson said it is due ...

Loss of circadian genes results in epilepsy

...dxk. The Pdxk gene encodes an enzyme that converts vitamin B6 into its physiologically active form, pyridoxal... Dr. Schibler is quick to point out that "Although vitamin B6 deficiency has been known to provoke epilepsies in humans and laboratory rodents, PDXK misregulat...

Other highlights in the May 19 JNCI

...Anticancer Abilities Some studies have shown that vitamin E, a mixture of tocopherols, has anticancer effect...these effects have not been seen in most trials of vitamin E supplements in humans, a new study provides clues to the chemical's anticancer abilities by showin...

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