Astrocyte reactivity and astrogliosis after spinal cord injury

研究成果: Contribution to journalReview article査読

100 被引用数 (Scopus)

抄録

After traumatic injuries of the central nervous system (CNS), including spinal cord injury (SCI), astrocytes surrounding the lesion become reactive and typically undergo hypertrophy and process extension. These reactive astrocytes migrate centripetally to the lesion epicenter and aid in the tissue repair process, however, they eventually become scar-forming astrocytes and form a glial scar which produces axonal growth inhibitors and prevents axonal regeneration. This sequential phenotypic change has long been considered to be unidirectional and irreversible; thus glial scarring is one of the main causes of the limited regenerative capability of the CNS. We recently demonstrated that the process of glial scar formation is regulated by environmental cues, such as fibrotic extracellular matrix material. In this review, we discuss the role and mechanism underlying glial scar formation after SCI as well as plasticity of astrogliosis, which helps to foster axonal regeneration and functional recovery after CNS injury.

本文言語英語
ページ(範囲)39-43
ページ数5
ジャーナルNeuroscience Research
126
DOI
出版ステータス出版済み - 1 2018

All Science Journal Classification (ASJC) codes

  • 神経科学(全般)

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