http://www.newswise.com/articles/view/676182/?sc=mwhn
The Brain’s Rejuvenating Cells
Newswise — Alzheimer’s disease is a neurodegenerative disease manifested
by various neuronal pathological processes and a significant decline in
brain function. Aggregates of beta-amyloid protein (“plaques”)
accumulate within and between brain cells. Due to both structural
changes and the weakening of chemical communication pathways, the
junctions of neuronal networks (synapses) are lost. In addition, the
cytoskeletal proteins of the axons lose their normal structure,
impairing their function and causing massive neuronal death.
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