Fig. 3From: Peripheral nerve defects repaired with autogenous vein grafts filled with platelet-rich plasma and active nerve microtissues and evaluated by novel multimodal ultrasound techniquesEvaluation of neurotrophic factors secreted by nerve microtissues. ELISA detected a rapid increase in the secretion of NGF-β, VEGF, BDNF and GDNF in living nerve microtissues after 3 days of culture. SCs Schwann cells, ELISA Enzyme linked immunosorbent assayBack to article page