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Keyword: bvitamins

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  • Modified RNA has a direct effect on DNA

    02/17/2021 1:02:43 PM PST · by RomanSoldier19 · 100 replies
    phys.org ^ | JANUARY 29, 2020 | by Eyrun Thune, University of Oslo
    An article titled "m6A RNA modification as a new player in R-loop regulation," by the Dynamic Gene Regulation research group led by Arne Klungland at IMB, was published in the January edition of Nature Genetics. Following a new collaboration between UiO and research groups in Nottingham and Oxford, it has now been revealed that RNA has a direct effect on DNA stability, according to Professor Klungland's research. He believes the discovery will provide the health service with an important tool, since many studies have shown that the regulation of modifications to RNA is important for the development of cancer. If...
  • B-vitamins may delay Alzheimer’s onset

    05/24/2013 11:03:22 PM PDT · by neverdem · 17 replies
    Chemistry World ^ | 21 May 2013 | Emma Stoye
    UK researchers have found that high doses B-vitamins – including folic acid, vitamin B12 and vitamin B6 – can slow down brain tissue atrophy, a wasting process associated with Alzheimer’s disease.David Smith of the University of Oxford, and colleagues, used randomised controlled trials to test the long-term effects of B-vitamins on the brain health of elderly people with mild cognitive impairment, who were classed as having an increased risk of dementia. They found the brains of those treated with B-vitamins shrank less over a two year period than those given a placebo, and experienced less atrophy in regions of grey...
  • Higher levels of vitamin B6, common amino acid associated with lower risk of lung cancer

    06/21/2010 3:38:57 PM PDT · by decimon · 5 replies
    JAMA and Archives Journals ^ | June 15, 2010 | Unknown
    An analysis that included nearly 400,000 participants finds that those with higher blood levels of vitamin B6 and the essential amino acid methionine (found in most protein) had an associated lower risk of lung cancer, including participants who were current or former smokers, according to a study in the June 16 issue of JAMA. Previous research has suggested that defi­ciencies in B vitamins may increase the probability of DNA damage and subse­quent gene mutations. "Given their involvement in maintaining DNA integrity and gene ex­pression, these nutrients have a potentially important role in inhibiting cancer devel­opment, and offer the possibility of...
  • B vitamins, folic acid may protect vision - Supplements may guard against macular degeneration

    02/25/2009 11:10:19 AM PST · by neverdem · 8 replies · 478+ views
    Science News ^ | February 24th, 2009 | Nathan Seppa
    A combination of vitamin B-6, vitamin B-12 and folic acid might protect women against age-related macular degeneration, the leading cause of blindness in the elderly, a new study finds. Women taking this trio of vitamins in amounts well beyond the recommended daily doses were one-third less likely to develop macular degeneration than were people taking placebos, researchers report in the Feb. 23 Archives of Internal Medicine. Cigarette smoking is known to increase a person’s likelihood of developing macular degeneration. Other than not smoking, there is little a person can do to limit risk, says study coauthor William Christen, an epidemiologist...
  • Could a dose of vitamin B save you from a heart attack?

    03/04/2007 6:07:28 PM PST · by Coleus · 19 replies · 1,125+ views
    Daily Mail ^ | 12.05.06 | JEROME BURNE
    Amino acids: Key to a healthier heart? Could taking a few B vitamins cut your risk of a heart attack or a stroke? That's the suggestion from a study published last week in the British Medical Journal (BMJ).  The key is an amino acid called homocysteine, a substance made when the protein we eat is digested — already there is growing evidence to link it with cardiovascular disease, and even stroke. Homocysteine — with the help of the B vitamins including B12 and folate — is rapidly turned into other useful compounds such as the amino acids cysteine and...
  • Eating oranges reduces Alzheimer's risk (misleading title: should be Folic Acid Reduces Risk)

    08/14/2005 9:50:57 PM PDT · by freespirited · 12 replies · 409+ views
    A new study conducted by researchers at The University of California Irvine suggests that folates or B-vitamin nutrients found in oranges, legumes, leafy green vegetables and folic acid supplements are more effective in limiting Alzheimer's disease risk than antioxidants and other nutrients. The team led by Maria Corrada and Dr Claudia Kawas of UC Irvine's Institute for Brain Aging and Dementia analyzed the diets of non-demented men and women aged 60 and older. They compared the food nutrient and supplement intake of those who later developed Alzheimer's disease to the intake of those who did not develop the disease. "Although...
  • Folate May Reduce Alzheimer's Risk

    08/15/2005 6:39:22 AM PDT · by truthandlife · 10 replies · 593+ views
    Health Day News ^ | 8/12/05 | Steven Reinberg
    Preventing Alzheimer's disease may be as simple as increasing the amount of the B vitamin called folate that you get from fruits, green vegetables and supplements, researchers suggest in a new study. ADVERTISEMENT According to the study, older people whose folate intake is above the recommended dietary allowance are at a significantly reduced risk of developing Alzheimer's. However, the researchers cautioned that far more research is needed to establish a link between folate and the possible prevention of the brain-wasting disease. In fact, one previous study found folate encouraging the development of Alzheimer's disease. This latest study appears in the...
  • B-Vitamin Problems May Cause Depression in Some

    07/06/2003 9:54:28 AM PDT · by truthandlife · 15 replies · 521+ views
    Reuters ^ | 7/5/03 | Alison McCook
    New findings suggests that some people with depression might have problems metabolizing the B vitamin folate -- supporting the idea that supplements could help ward off the condition, researchers say. In Yahoo! Health Overcoming Depression -------------------------------------------------------------------------------- More from Yahoo! Health: • Check your symptoms • How is it diagnosed? • New treatments Investigators in Norway found that depression occurred more commonly in people who had high levels of the amino acid homocysteine in their blood, and in those who carried a form of a gene that encodes a protein involved in processing folate. Homocysteine is a normal byproduct of metabolism,...