Severed nerves repaired in monkeys thanks to tubes of growth protein

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A tube with microspheres full of growth factor that encourages nerve growth

N.B. Fadia et al., Science Translational Medicine (2019)

Nerves damaged by injury can regrow with the help of a polymer tube filled with a growth-promoting protein. This new technique could help nerve fibres regenerate across wide gaps, limiting the loss of sensation or movement.

When a nerve is damaged, it can become crushed from applied pressure or severed entirely. If the crushing is severe – where both the nerve fibres and protective layer called the myelin sheath are damaged – surgeons may have to remove that part of …