Abstract
Activation of astrocytes during spinal cord injury (SCI) is accompanied by changes in their morphology and functional activity, possibly having severity-, localization-, and time-dependent features. The understanding of the role of reactive astrocytes has undergone significant changes over the last decades, and new data are still emerging to assess the diversity of functional manifestations of reactive cells. This review discusses the current understanding of astrocyte behavior, possible manifestations of their negative and positive roles in SCI, and the prospects for using various methods of directed polarization of astrocytes to improve post-traumatic outcomes. Despite the existing difficulties regarding the disclosure of the complex cascade of molecular changes of reactive astrocytes in different posttraumatic periods, researchers do not give up hope for the development of astrocyte-targeted methods that could reduce the severity of secondary injury by regulating the negative effects of these cells.
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