Dr Ning Yuan and colleagues found that transplantation of neural stem cells in a double-layer collagen membrane with unequal pore sizes is an effective therapeutic strategy to repair an injured spinal cord in rats.
More information:
Yuan N, Tian W, Sun L, Yuan RY, Tao JF, Chen DF. Neural stem cell transplantation in a double-layer collagen membrane with unequal pore sizes for spinal cord injury repair. Neural Regen Res. 2014;9(10):1014-1019.