Article 2 Axonal growth 2 F actin 2 Filamentous actin 2 Galectin-1 2 Hydrogen peroxide 2 PlexinA4 2 Semaphorin3A 2 Spinal cord injury 2 actin filament 2 actin polymerization 2 animal cell 2 animal experiment 2 animal model 2 cell surface 2 controlled study 2 convalescence 2 disease model 2 embryo 2 endocytosis 2 filopodium 2 galectin 1 2 glycan 2 growth cone 2 hydrogen peroxide 2 in vivo study 2 internalization 2 male 2 molecular mechanics 2 molecular recognition 2