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Deteriorating neurons are source of human brain inflammation in Alzheimer’s disease

Despite decades of research, Alzheimer’s disease remains a debilitating and eventually fatal dementia with no effective treatment options. More than 95 percent of Alzheimer’s disease cases have no known origin. Now, scientists from the Salk Institute have found that neurons from people with Alzheimer’s disease show deterioration and undergo a late-life stress process called senescence. These neurons have a loss of functional activity, impaired metabolism, and increased brain inflammation.

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