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Neural stem cells (NSCs) labeled with Hoechst (saffron yellow) and neurofibers immunofluorescently labeled with fluorescein isothiocyanate neurofilament-200 antibody (green) in the NSC + EPO group at 8 weeks after treatment. (A) NSCs migrated along with regenerated axons and exhibited good survival. (B) NSCs with regenerated axons, guiding and promoting axonal regeneration. EPO, erythropoietin.
