Portrait of glial scar in neurological diseases.

Authors: Wang H, Song G, Chuang H, Chiu C, Abdelmaksoud A, Ye Y, Zhao L Abstract Fibrosis is formed after injury in most of the organs as a common and complex response that profoundly affects regeneration of damaged tissue. In central nervous system (CNS), glial scar grows as a major physical and chemical barrier against regeneration of neurons as it forms dense isolation and creates an inhibitory environment, resulting in limitation of optimal neural function and permanent deficits of human body. In neurological damages, glial scar is mainly attributed to the activation of resident astrocytes which surrounds the lesion core and walls off intact neurons. Glial cells induce the infiltration of immune cells, resulting in transient increase in extracellular matrix deposition and infla...

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