【摘 要】
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Fol owing spinal cord injury, astrocyte proliferation and scar formation are the main factors inhibiting the regeneration and growth of spinal cord axons. Rec
【机 构】
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School of Rehabilitation Medicine, Capital Medical University, Beijing 100068, China“,”Department of
论文部分内容阅读
Fol owing spinal cord injury, astrocyte proliferation and scar formation are the main factors inhibiting the regeneration and growth of spinal cord axons. Recombinant decorin suppresses inflammatory reactions, inhibits glial scar formation, and promotes axonal growth. Rat models of T8 spinal cord contusion were created with the NYU impactor and these models were subjected to combined transplantation of bone morphogenetic protein-4-induced glial-restricted precursor-derived astro-cytes and human recombinant decorin transplantation. At 28 days after spinal cord contusion, dou-ble-immunofluorescent histochemistry revealed that combined transplantation inhibited the early in-flammatory response in injured rats. Furthermore, brain-derived neurotrophic factor, which was se-creted by transplanted cel s, protected injured axons. The combined transplantation promoted ax-onal regeneration and growth of injured motor and sensory neurons by inhibiting astrocyte prolifer-ation and glial scar formation, with astrocytes forming a linear arrangement in the contused spinal cord, thus providing axonal regeneration channels.
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