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- Title
Protection of SH-SY5Y Neuronal Cells from Glutamate-Induced Apoptosis by 3,6′-Disinapoyl Sucrose, a Bioactive Compound Isolated from Radix Polygala.
- Authors
Yuan Hu; Jie Li; Ping Liu; Xu Chen; Dai-Hong Guo; Qing-Shan Li; Rahman, Khalid
- Abstract
The neuroprotective effects of 3,6′-disinapoyl sucrose (DISS) from Radix Polygala against glutamate-induced SH-SY5Y neuronal cells injury were evaluated in the present study. SH-SY5Y neuronal cells were pretreated with glutamate (8mM) for 30min followed by cotreatment with DISS for 12 h. Cell viability was determined by (3,4,5-dimethylthiazol-2-yl)-2,5-diphenylte-trazolium bromide (MTT) assay, and apoptosis was confirmed by cell morphology and flow cytometry assay, evaluated with propidium iodide dye. Treatment with DISS (0.6, 6, and 60 μmol/L) increased cell viability dose dependently, inhibited LDH release, and attenuated apoptosis. The mechanisms by which DISS protected neuron cells from glutamate-induced excitotoxicity included the downregulation of proapoptotic gene Bax and the upregulation of antiapoptotic gene Bcl-2. The present findings indicated that DISS exerts neuroprotective effects against glutamate toxicity, which might be of importance and contribute to its clinical efficacy for the treatment of neurodegenerative diseases.
- Publication
Journal of Biomedicine & Biotechnology, 2012, Vol 2012, p1
- ISSN
1110-7243
- Publication type
Academic Journal
- DOI
10.1155/2012/728342