Neurons from human skin cells survived and grew longer axons in mice, according to a study in the journal Neuron. Skin cells were converted to induced pluripotent stem cells and were reprogrammed to become early neurons, which were embedded in a scaffold and grafted into mice with spinal cord injuries. After three months, there were new neurons with longer axons that reach the spinal cord wound tissue and connected with rat neurons, but researchers said that more study is needed before it can be tested in human trials.

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