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Research reveals that Alzheimer's disease is caused by decline in levels of amyloid-beta - Devdiscourse

Research reveals that Alzheimer's disease is caused by decline in levels of amyloid-beta - Devdiscourse

Research reveals that Alzheimer's disease is caused by decline in levels of amyloid-beta - Devdiscourse
Oct 05, 2022 48 secs

New research supports the hypothesis that Alzheimer's disease is caused by a decline in levels of a protein called amyloid-beta.

But Espay and his colleagues hypothesized that plaques are simply a consequence of the levels of soluble amyloid-beta in the brain decreasing.

"When done, patients have gotten worse." Previous research from the team found that regardless of the buildup of plaques in the brain, people with high levels of soluble amyloid-beta were cognitively normal, while those with low levels of the protein were more likely to have cognitive impairment.

In the current study, the team analyzed the levels of amyloid-beta in a subset of patients with mutations that predict an overexpression of amyloid plaques in the brain, which is thought to make them more likely to develop Alzheimer's disease.

The research found that with a baseline level of soluble amyloid-beta in the brain above 270 picograms per milliliter, people can remain cognitively normal regardless of the amount of amyloid plaques in their brains.

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