ArticleNeural regeneration research2013
Methylprednisolone inhibits Nogo-A protein expression after acute spinal cord injury.
Article in Neural regeneration research, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Oligodendrocyte-produced Nogo-A has been shown to inhibit axonal regeneration. Methylprednisolone plays an effective role in treating spinal cord injury, but the effect of methylprednisolone on Nogo-A in the injured spinal cord remains unknown. The present study established a rat model of acute spinal cord injury by the weight-drop method. Results showed that after injury, the motor behavior ability of rats was reduced and necrotic injury appeared in spinal cord tissues, which was accompanied by increased Nogo-A expression in these tissues. After intravenous injection of high-dose methylprednisolone, although the pathology of spinal cord tissue remained unchanged, Nogo-A expression was reduced, but the level was still higher than normal. These findings implicate that methylprednisolone could inhibit Nogo-A expression, which could be a mechanism by which early high dose methylprednisolone infusion helps preserve spinal cord function after spinal cord injury.
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