Integrin activation or alpha9 expression allows retinal pigmented epithelial cell adhesion on Bruch's membrane in wet age-related macular degeneration.Lentiviral vectors express chondroitinase ABC in cortical projections and promote sprouting in injured corticospinal axons.The chemorepulsive axon guidance protein semaphorin 3A is a constituent of perineuronal nets in the adult rodent brain.Semaphorin 3A binds to the perineuronal nets via chondroitin sulfate type E motifs in rodents brains.