Additional file 2.

BrdU and Hoechst co-labeling images in vitro and in vivo. A. The percentage of BrdU (red) and Hoechst (blue) co-nuclei (arrows) of MSCs was about 95% in vitro. B. Hoechst-labeled nuclei (blue, arrows) in the lesion site the MSCs+EA group. C. BrdU immunofluorescence showing BrdU-labeled nuclei (green, arrows) in the same field of A. D. image A and B showing BrdU and Hoechst co-nuclei of MSCs (blue-green, arrows). Scale bars: A = 40 μm, B, C, D = 20 μm.

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Ding et al. BMC Neuroscience 2009 10:35   doi:10.1186/1471-2202-10-35