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Scientists at the University of Minnesota created a 3D-printed scaffold to help repair spinal cord injuries. The scaffold has tiny channels filled with special stem cells that grow into nerve cells. When implanted in rats with severe spinal injuries, these new nerve cells connected with the rats’ spinal cords. This helped the rats regain movement. The study was published in Advanced Healthcare Materials in August 2025. This new method may offer hope for people with spinal cord damage in the future. The research team plans to improve the technology for possible human use. This work was funded by the National Institutes of Health and other organizations. How to help spinal cord repair: use 3D-printed scaffolds to guide stem cells to grow new nerves. (Updated 26 Aug 2025, 21:36 IST; source: link)