Objective To 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.

• 摘要目的：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。