ObjectiveTo observe the role of platelet derived growth factor B (PDGF B) in the regeneration of peripheral nerve by studying its expression on injured rat sciatic nerves.

• 目的:观察血小板源性生长因子B(PDGF-B)在损伤大鼠坐骨神经中的表达,旨在阐明其在末梢神经再生中的作用。