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Latest Vitamin A Stories

2011-06-28 20:56:05

Use of vitamin D supplements during pregnancy has long been a matter of concern but now researchers writing in the Journal of Bone and Mineral Research report that even a high supplementation amount in healthy pregnant women was safe and effective in raising circulating vitamin D to a level thought by some to be optimal. The study also found no adverse effects of vitamin D supplementation, even at the highest amount, in women or their newborns. The research team, led by Dr. Bruce Hollis from...

2011-06-23 13:03:38

Vitamin A deficiency does not increase the risk of asthma, according to new research published online in the European Respiratory Journal. In developing countries, vitamin A deficiency is particularly common and previous research has shown that it harms the development of the lungs. This study aimed to assess whether vitamin A deficiency influences the development of asthma later in life. The research, which was carried out by scientists at Johns Hopkins University in the USA and Nepalese...

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2011-06-06 09:45:00

Retinoic acid receptor antagonist interferes with sperm production Researchers at Columbia University Medical Center are honing in on the development of what may be the first non-steroidal, oral contraceptive for men. Tests of low doses of a compound that interferes with retinoic acid receptors (RARs), whose ligands are metabolites of dietary vitamin A, showed that it caused sterility in male mice. Earlier results of the experiments using this RAR antagonist were published in the June 1st...

2011-05-18 14:21:34

Lab Study Shows an Improved Form of Vitamin A May Help Slowing down the aggregation or "clumping" of vitamin A in the eye may help prevent vision loss caused by macular degeneration, research from Columbia University Medical Center has found. Rather than changing the way the eye processes vitamin A, a team of researchers led by Ilyas Washington, a professor in the department of ophthalmology at Columbia's Harkness Eye Institute, decided to focus on changing the structure of vitamin A itself....

2011-04-11 15:37:56

Findings suggest new approach could create highly targeted therapeutics For years, scientists have thought of DNA as a passive blueprint capable only of producing specific proteins through RNA transcription. Now, research led by scientists from the Florida campus of The Scripps Research Institute has shown DNA can also act to fine-tune the activity of certain proteins known as nuclear receptors. These new findings may make it possible to design therapies that could activate specific genes in...

2011-04-05 21:20:51

A nutrient found in carrots and sweet potatoes may prove key to fighting breast cancer at early stages, according to a new study by researchers at Fox Chase Cancer Center. Sandra Fernandez, PhD, an assistant research professor at Fox Chase, will present the findings at the AACR 102nd Annual Meeting 2011 on Tuesday, April 5. Retinoic acid, a derivative of vitamin A, could be a promising cancer therapy because it affects cell growth, proliferation, and survival. Although it is being tested in a...

2011-03-11 00:00:27

New Multivitamin Brand Matches Sales and Facebook "Likes" with Vitamin Contributions to Children In Need Old Saybrook, CT (PRWEB) March 10, 2011 Last month, Vitamma.com joined the wave of social ventures aimed at generating positive change with the launch of its new website and line of high-quality multivitamins. As part of the company's mission, Vitamma has partnered with renowned Santa Barbara non-profit, Vitamin Angels, to reach undernourished children around the world with high-potency...

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2011-03-05 11:16:08

'Out of the blue' discovery marks new direction in phototransduction studiesA UC Irvine research team led by Todd C. Holmes has discovered a second form of phototransduction light sensing in cells that is derived from vitamin B2. This discovery may reveal new information about cellular processes controlled by light.For more than 100 years, it had been believed that the phototransduction process was solely based on a chemical derived from vitamin A called retinal. Phototransduction is the...

2011-02-09 23:46:01

Blocking a factor that can activate the human immune response against intestinal bacteria or certain foods could prevent the development of celiac disease in those most at risk, researchers report in the journal Nature. The study, to be published early online Feb. 9, points to two chemical signals"”interleukin 15 and retinoic acid, a derivative of vitamin A"”as triggers for the inflammatory response to gluten, a protein found in many grains that causes celiac disease. "We found...

2011-01-25 11:44:00

JAKARTA, Indonesia, Jan. 25, 2011 /PRNewswire/ -- On National Nutrition Day in Indonesia, the Indonesian Ministry of Health in partnership with the Global Alliance for Improved Nutrition (GAIN) today launched a major multi-sector partnership that will reach over 80 percent of the population with vitamin A fortified vegetable oil. The ceremony was attended by all partners of the project, including the Indonesian Nutrition Foundation for Food Fortification Development (KFI), oil producers...


Latest Vitamin A Reference Libraries

Golden Rice
2013-10-02 14:11:48

Golden Rice is a variety of Oryza sativa rice produced  through genetic engineering to biosynthesize beta-carotene, a precursor of vitamin A, in the edible parts of the rice. The research was conducted with the goal of producing a fortified food to be grown and consumed in areas with a shortage of dietary vitamin A, a deficiency which is estimated to kill 670,000 children under five years old each year. Golden rice is different from its parental strain by the addition of three...

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Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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