Abstract:
:Axonal regeneration across the site of spinal cord lesion is often aborted in adult mammalian species. The use of DNA vaccine to nullify the inhibitory molecules has been shown to be effective in promoting axonal regeneration in injured spinal cord. The possible molecular mechanisms, however, remain to be elucidated. The present study showed that the administration of recombinant DNA vaccine encoding multiple domains, Nogo-66, Nogo-N, TnR, and MAG, significantly improved hindlimb locomotor functions in rats subjected to ablation of the dorsal halves of the cord. Western blot analysis demonstrated that nerve growth factor (NGF) levels in the spinal cord of immunized rats were significantly upregulated than those of control rats. Immunohistochemistry as well as in situ hybridization confirmed that NGF was expressed in neurons of the spinal cord. These findings indicated that functional recovery in immunized rats could be correlated with endogeous NGF expression in hemisected rat spinal cords.
journal_name
Neurochem Resjournal_title
Neurochemical researchauthors
Zhang Y,Hao CG,Hu LQ,Dong J,Wei P,Xu D,Xiao ZC,Wang THdoi
10.1007/s11064-009-9951-6subject
Has Abstractpub_date
2009-09-01 00:00:00pages
1635-41issue
9eissn
0364-3190issn
1573-6903journal_volume
34pub_type
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