Deep inside your brain, a legion of stem cells lies ready to turn into new brain and nerve cells whenever and wherever you need them most. While they wait, they keep themselves in a state of perpetual readiness – poised to become any type of nerve cell you might need as your cells age or get damaged.
Now, new research from scientists at the University of Michigan Medical School reveals a key way they do this: through a type of internal “spring cleaning” that both clears out garbage within the cells, and keeps them in their stem-cell state.
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