This image shows reduced levels of BRCA1 (red) in neurons (blue). Amyloid-beta plaques in the brain can deplete neurons of BRCA1, potentially contributing to cognitive deficits in Alzheimer’s disease. Credit: Elsa Suberbielle
Researchers from the Gladstone Institutes have shown for the first time that the protein BRCA1 is required for normal learning and memory and is depleted by Alzheimer’s disease. BRCA1 is a key protein involved in DNA repair, and mutations that impair its function increase the risk for breast and ovarian cancer. The new study shows Alzheimer’s disease is associated with a depletion of BRCA1 in neurons and that BRCA1 depletion can cause cognitive deficits.
“BRCA1 has so far been studied primarily in dividing (multiplying) cells and in cancer, which is characterized by a...
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