Objective To observe the expression of GDNF protein and apoptosis of neuroglial cells in the neonatal rats with white matter damage(WMD).

目的探讨新生大鼠脑白质损害时神经胶质细胞凋亡与内源性胶质细胞源性神经营养因子（GDNF）表达的变化。

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S100B is a class of acid calcium-binding protein. It mainly exists in neuroglial cells in the central nervous system, and it is one of the signs of astrocyte activation.

S100 B是一类酸性钙结合蛋白，在中枢神经系统中主要存在于胶质细胞，是星形胶质细胞活化的标志之一。

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