 showed that Schwann cells attach quickly and firmly to the silk fibers, growing in a bipolar shape; proliferation and survival rates were normal on the silk fibers.They used spider silk fibers to create a nerve conduit with Schwann cells and acellularized xenogenic veins.The Schwann cells formed columns along the silk fibers in a short amount of time, and the columns were similar to bands of Bungner that grow "in vivo" after PNS injury.