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    Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

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    yoly
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    Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

    Post by yoly on Wed Mar 21 2018, 14:33

    Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

    https://www.acs.org/content/acs/en/pressroom/newsreleases/2018/march/vegetable-compound-could-have-a-key-role-in-beeting-alzheimers-disease.html

    NEW ORLEANS, March 20, 2018 — A compound in beets that gives the vegetable its distinctive red color could eventually help slow the accumulation of misfolded proteins in the brain, a process that is associated with Alzheimer’s disease. Scientists say this discovery could lead to the development of drugs that could alleviate some of the long-term effects of the disease, the world’s leading cause of dementia.

    The researchers are presenting their work today at the 255th National Meeting & Exposition of the American Chemical Society (ACS). ACS, the world’s largest scientific society, is holding the meeting here through Thursday. It features more than 13,000 presentations on a wide range of science topics.

    “Our data suggest that betanin, a compound in beet extract, shows some promise as an inhibitor of certain chemical reactions in the brain that are involved in the progression of Alzheimer’s disease,” says Li-June Ming, Ph.D. “This is just a first step, but we hope that our findings will encourage other scientists to look for structures similar to betanin that could be used to synthesize drugs that could make life a bit easier for those who suffer from this disease.”

    More than 5 million Americans have Alzheimer’s disease, according to the National Institute on Aging. Its incidence rises with age, affecting one in 10 Americans 65 and older, and one in three by age 85. Scientists are still trying to figure out what causes this progressive and irreversible brain disorder. But one prime suspect is beta-amyloid, a sticky protein fragment, or peptide, that accumulates in the brain, disrupting communication between brain cells called neurons. Much of this damage occurs, Ming says, when beta-amyloid attaches itself to metals such as iron or copper. These metals can cause beta-amyloid peptides to misfold and bind together in clumps that can promote inflammation and oxidation — a process similar to rusting — in nearby neurons, eventually killing them.

    Previous research conducted by other scientists suggests that beetroot juice can improve oxygen flow to the aging brain and possibly improve cognitive performance. Building on this work, Ming, Darrell Cole Cerrato and colleagues at the University of South Florida wanted to find out if betanin, a beet compound used in commercial dyes that readily binds to metals, could block the effects of copper on beta-amyloid and, in turn, prevent the misfolding of these peptides and the oxidation of neurons.

    In laboratory studies, the researchers conducted a series of experiments involving 3,5 di-tert-butylcatechol, or DTBC, a compound that is used as a model substance for tracking the chemistry of oxidation. Using visible spectrophotometry, the scientists measured the oxidative reaction of DTBC when exposed to beta-amyloid only, beta-amyloid bound to copper, and copper-bound beta-amyloid in a mixture containing betanin.

    On its own, beta-amyloid caused little or no oxidation of DTBC. However, as expected, beta-amyloid bound to copper induced substantial DTBC oxidation. But when betanin was added to the copper-bound beta-amyloid mixture, the researchers found oxidation dropped by as much as 90 percent, suggesting that misfolding of the peptides was potentially suppressed.

    “We can’t say that betanin stops the misfolding completely, but we can say that it reduces oxidation,” Cerrato says. “Less oxidation could prevent misfolding to a certain degree, perhaps even to the point that it slows the aggregation of beta-amyloid peptides, which is believed to be the ultimate cause of Alzheimer’s.”

    Ming acknowledges funding from the National Science Foundation.

    The American Chemical Society, the world’s largest scientific society, is a not-for-profit organization chartered by the U.S. Congress. ACS is a global leader in providing access to chemistry-related information and research through its multiple databases, peer-reviewed journals and scientific conferences. ACS does not conduct research, but publishes and publicizes peer-reviewed scientific studies. Its main offices are in Washington, D.C., and Columbus, Ohio.
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    chris c
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    Re: Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

    Post by chris c on Wed Mar 21 2018, 22:51

    My money is still on glucose and insulin as major factors, as per Amy Berger's collected research

    http://www.tuitnutrition.com/p/alzheimers_13.html
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    Jan1
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    Re: Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

    Post by Jan1 on Thu Mar 22 2018, 10:56

    Many thanks Yoly and Chris

    Alzheimer's affects so many families and is such a cruel disease ... as I've said before you lose your loved one long before they die.

    Continued research is needed and continued collaboration between researchers !

    Amy Berger does have a very good page about Alzheimer's, which I do look at from time to time.

    All the best Jan
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    chris c
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    Re: Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

    Post by chris c on Fri Mar 23 2018, 22:12

    Some people are using beet juice against hypertension, I can't remember off the top of my head what the compound is but it increases NO in the blood.

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    Re: Vegetable compound could have a key role in ‘beeting’ Alzheimer’s disease

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