Fig. 2

Expression of myelination markers following electrical stimulation 1 month after injury. a Immunohistochemistry staining of S-100 and neurofilament in different treatment groups. b Representative of western blot analysis in different treatment groups. c Quantitative assessment of western blot analysis. N = 3; Bar length = 100 μm; **p < 0.01; Sham, HFI, HFL, LFI: see text; NF = neurofilament