Tag: "vitamin" at biology news

Common nutrients fed to pregnant mice altered their offspring's coat color

...egnant mice that received dietary supplements with vitamin B12, folic acid, choline and betaine (from sugar beets) gave birth to babies predominantly with brown coats. In contrast, pregnant mice that did not receive the nutritional supplements gave birth predominantly to mice with yellow coats. The non-suppl...

Vitamin C may protect against ulcer-causing bacteria, study finds

...ter (SFVAMC) has found that the lower the level of vitamin C in the blood the more likely a person will becom... largest study to look at the relationship between vitamin C levels and infection by H. pylori," said Joel A. Simon, MD, MPH, SFVAMC staff physician and UCSF a...

Folic acid may have no immediate impact on Down Syndrome

...ication. However, Ray explains that folic acid and vitamin B12 are essential for the proper development of genes, which lie in chromosomes and are copied as cells divide. He says it's possible that part of the reason they saw no impact of folic acid fortification on Trisomy 21 rates is that the amount of fol...

Diet researcher asks how now lemur chow?

...animals died, one from a too-high level of dietary vitamin D, before the scientists developed the proper diet...he center's goblin-like aye ayes had problems with vitamin D deficiency. "That just really fascinated me that here was one group of animals that was getting t...

Strategies to boost womens multivitamin use fall short

...e to take multivitamins did not increase long-term vitamin use, according to a study in the July issue of the...hildbearing age in the United States do not take a vitamin containing folic acid regularly," say Jean M. Lawrence, Sc.D., M.P.H., M.S.S.A., of Kaiser Permanent...

Cigarette smoke linked to low folate levels

...rette smoke may rob people of folate, an important vitamin that helps protect against a variety of diseases, including a number of birth defects, a large nationwide study concludes. Both active smokers and those exposed to high levels of secondhand smoke had lower levels of folate in their blood than nonsmok...

'Immortalized' cells enable researchers to grow human arteries

...roughout the polymer tube. The bioreactor pulsed a vitamin and nutrient solution through and around the tube, approximating as closely as possible the conditions that would exist in nature. Once the smooth muscle cells proliferated and filled all the spaces within the dissolving polymer scaffolding, the rese...

Vitamin D analog found to boost radiation

HANOVER, NH A form of vitamin D has been found to greatly enhance radiation trea...ings support the potential benefits of combining a vitamin D analog with radiation to wipe out radiation-resistant cancer cells. While radiation therapy is a c...

Pro-vitamin supplement may increase cancer risk in smokers and drinkers

...d drank more than one alcoholic drink per day, the vitamin A precursor beta-carotene doubled the risk of recu...omly assigned to receive a placebo, beta-carotene, vitamin C plus vitamin E, or beta-carotene plus vitamins C and E. Participants completed a questionnaire abo...

Pregnant African American teens need more calcium for healthy fetal bone development

...s. These mothers had significantly higher protein, vitamin A and iron intakes than those who consumed less dairy. Researchers also examined the effect of individual nutrients other than calcium on fetal femur length and found no significant relationship. "This study showed that increasing dairy intake in thi...

March of Dimes awards $250,000 prize to pioneers in genetic research

...gnaling by retinoic acid (the active derivative of vitamin A) and its chemical relatives. His research has p...utions to our understanding of the consequences of vitamin A deficiency during prenatal development and childhood. A major discovery by Prof. Chambon was the ...

IUPAC report- Natural and synthetic substances

...te considerable promotion of the idea that natural vitamin sources are more beneficial than those produced synthetically, many vitamins, such as Vitamin C, are synthesized in a "nature-identical" form. The toxicity of certain substances and their potential use in chemical warfare has received considerable r...

As Vitamin B-6 levels go down, numbers of DNA strand breaks go up

...ad unacceptably low blood levels of Vitamin B-6, a vitamin believed to be protective against the DNA damage t...researchers that the current RDA for this critical vitamin is too low for even moderate smokers and could be too low for the population as a whole. Dr. Terry S...

Science highlights of AAN Annual Meeting in Honolulu March 29 April 5

...steine can be reduced by certain vitamins. Whether vitamin therapy can reduce the risk for a second stroke was addressed by a large consortium led by researchers at Wake Forest University School of Medicine in Winston-Salem, North Carolina. They found that while high doses of vitamins B6, B12, and folic acid...

B-vitamins prove effective in relieving chronic pain

...rch indicates that relief could be provided in the vitamin counter at the neighborhood grocery story. B-vitam...red the analgesic and anti-inflammatory effects of vitamin B1, B6 and B12. For example, vitamin B1, B6, and B12 and combinations inhibited chemical- and heat-...

Fruit consumption related to increased risk of Parkinson's?

...us studies have suggested a link between fruit and vitamin C intake and an increased risk of Parkinson's. How...k factors. High dietary and supplemental intake of vitamin C did not appear to be associated with risk of Parkinson's. "We speculate that this increased risk m...

Folic acid-iron supplements reduce risk of low birth weight

Multiple vitamin supplements during pregnancy may not be any more e...11 other micronutrients. All participants received vitamin A, with a control group receiving vitamin A alone. Previous studies by CHN researchers showed that v...

Scientific innovations, social issues and biobusiness at Bio Tech Helsinki 03

... has developed a genetically modified rice rich in vitamin A. Professor Tomita has become famous for developing the E-CELLsoftware environment that can be used to model and simulate cellularmetabolism. Human genetics will be examined in a parallel seminar, with speakers suchas Dr Kari Stefansson, President a...

UC Riverside biochemists develop technology to increase Vitamin C in plants

... developed technology that increases the amount of vitamin C in plants, including grains, by increasing the a...nt of the enzyme that is responsible for recycling vitamin C. "The ability to increase the level of vitamin C in plant food will enhance their nutritive value...

Texas chemist wins national award for vitamin, other natural products research

...ers. Scott and his research team have already made vitamin B12, a natural product he has worked with for about 30 years. "We recreated the pathway one step at a time. Vitamin B12 takes 13 enzymes in 20 steps," he said. "Luckily, they don't get in each others' way. We just incubated them overnight with a sing...

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