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MSC graft delivered to injured spinal cord via intraspinal injection (3 weeks post-injection). (A) An entire graft stained with anti-GFP antibody. (B) Magnified area of graft (designated by box in A). Neurites stained for neurofilament (C and D) and GAP43 (E and F) growing within a graft. Arrows point toward neurites and serve as reference points. Scale bars represent: 500 μm (A), 100 μm (B–D), 50 μm (E and F).
