In work that could lead to new drugs to target Alzheimer's disease, MIT researchers and colleagues have shed light on one of the molecular mysteries surrounding this common form of dementia. The work helps explain the perplexing behavior of some cells in the hippocampus, thought to be the center of learning and memory in the brain. In Alzheimer's disease, stroke and other neurodegenerative conditions, some neurons suddenly start to replicate their DNA as if they were about to divide. (source: web.mit.edu)
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