Abstract:
:Spinal cord injury causes sensory loss below the level of lesion. Synaptosomal-associated protein 25 (SNAP25) is a t-SNARE protein essential for exocytosis and neurotransmitter release, but its role in sensory functional recovery has not been determined. The aim of the present study is therefore to investigate whether SNAP25 can promote sensory recovery. By 2D proteomics, we found a downregulation of SNAP25 and then constructed two lentiviral vectors, Lv-exSNAP25 and Lv-shSNAP25, which allows efficient and stable RNAi-mediated silencing of endogenous SNAP25. Overexpression of SNAP25 enhanced neurite outgrowth in vitro and behavior response to thermal and mechanical stimuli in vivo, while the silencing of SNAP25 had the opposite effect. These results suggest that SNAP25 plays a crucial role in sensory functional recovery following spinal cord injury (SCI). Our study therefore provides a novel target for the management of SCI for sensory dysfunction.
journal_name
Mol Neurobioljournal_title
Molecular neurobiologyauthors
Wang W,Wang F,Liu J,Zhao W,Zhao Q,He M,Qian BJ,Xu Y,Liu R,Liu SJ,Liu W,Liu J,Zhou XF,Wang THdoi
10.1007/s12035-014-8642-8subject
Has Abstractpub_date
2014-10-01 00:00:00pages
290-304issue
2eissn
0893-7648issn
1559-1182journal_volume
50pub_type
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