Literature DB >> 8834102

Effects of exogenous transforming growth factor-beta 1 on spinal cord injury in rats.

Y Hamada1, T Ikata, S Katoh, K Katoh, M Niwa, Y Tsutsumishita, K Fukuzawa.   

Abstract

This study was undertaken to examine the effect of transforming growth factor-beta 1 (TGF-beta 1) administered into the subarachnoid space after spinal cord injury (SCI) on the increased production of inducible-nitric oxide synthase (i-NOS) in the injured spinal cord in rats. The expression of i-NOS mRNA after SCI was remarkably down-regulated by TGF-beta 1 in vivo. Rats treated with TGF-beta 1 showed a better outcome regarding hindlimb motor dysfunction in the first 5 days after injury compared to the saline-treated rats. However, the final outcome was not better and fibrous scar formation in the injured spinal cord was more evident, which was demonstrated as increased immunoreactivity of fibronectin in the later stage after SCI. These results provide evidence of both positive and negative contributions of TGF-beta 1 to the pathology associated with SCI.

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Year:  1996        PMID： 8834102     DOI： 10.1016/0304-3940(95)12271-0

Source DB:  PubMed          Journal:  Neurosci Lett        ISSN： 0304-3940            Impact factor:   3.046


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