Scientists created a special type of neuron from human stem cells that could potentially repair spinal cord injuries. These cells transmit signals in the spinal cord to help control movement. When they transplanted the cells into mouse spinal cords, they sprouted and integrated with existing cells.

See the source article by following the link below:
Scientists created a special type of neuron from human stem cells that could potentially repair spinal cord injuries. These cells transmit signals in the spinal cord to help control movement. When they transplanted the cells into mouse spinal cords, they sprouted and integrated with existing cells.