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Examples
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Alzheimer's is associated with the accumulation of protein fragments called amyloid-beta in the brain.
New Attack on Alzheimer's Gautam Naik 2012
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Those patients with high levels of the proteins, known as amyloid-beta deposits, also tended to have unusually elevated levels of chemicals in the brain which are associated with mental decline.
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph 2011
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Vancouver researcher Neil Cashman and colleagues have discovered a biomarker on toxic molecules called amyloid-beta a-beta oligomers, which are catalysts in the brain degeneration of Alzheimer's.
The Globe and Mail - Home RSS feed ADRIANA BARTON 2011
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Kantarci's team found that 33 percent of the people had significantly high levels of amyloid-beta deposits in their brains.
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Those with high levels of these so-called brain metabolites also were more likely to have lower scores on several of the cognitive tests, regardless of the amount of amyloid-beta deposits in their brains, the researchers added.
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Scientists know that a protein called ApoE acts as a sort of garbage-disposal unit, helping to degrade amyloid-beta proteins.
New Attack on Alzheimer's Gautam Naik 2012
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The participants also underwent PET scans to see if there were any amyloid-beta deposits, or plaques, in the brain.
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Everyone's brain produces amyloid-beta protein, but while a healthy brain can efficiently remove the protein fragments, the brain of a person with Alzheimer's can't.
New Attack on Alzheimer's Gautam Naik 2012
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Scientists have shown how the body's natural way of ridding the body of the toxic protein amyloid-beta is flawed in people with the disease.
August 12th, 2007 2007
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Mice with elevated levels of amyloid-beta protein, the brain plaques believed to cause Alzheimer's disease, and impaired learning and memory were "super sensitive" to leptin, Farr adds.
Be careful if you are obese, your long term memory may be affected. 2007
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