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Cambridge researchers created miniature brain-and-spinal-cord systems in the lab that can send signals and even trigger tiny muscle contractions. They discovered that human neurons gradually lose their ability to regrow after damage during development — but that ability can potentially be switched back on. The team identified a gene network controlling this process and found that an existing hormone drug dramatically boosted nerve fiber regrowth.
Source: https://www.sciencedaily.com/releases/2 ... 082459.htm
Source: https://www.sciencedaily.com/releases/2 ... 082459.htm
