Summary of Background Data.Following axotomy in the cervical spinal cord, rubrospinal neurons undergo severe atrophy and fail to up-regulate important genes for regeneration.

• 背景概述：在颈椎脊索轴性切开后，往往会出现红核脊髓神经元的严重萎缩，合并决定再生的重要基因上调不能。