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KMID : 1123920120260040475
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Korean Journal of Oriental Physiology and Pathology
2012 Volume.26 No. 4 p.475 ~ p.482
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Protective Effect of Palmul-tang on Glutamate Induced Cytotoxicity in C6 Glial cells
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Shin Yong-Jin
Shin Sun-Ho
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Abstract
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This study was designed to elucidate the mechanism of the cytoprotective effect of the Palmul-tang (PMT) on glutamate induced cytotoxicity in rat C6 glial cells. We determined the increase of cell viability by PMT on glutamate-induced death of C6 glial cell. On some experiments, glutamate induced cell death to be an apoptotic phenomena characterized by G1 arrest in cell cycle, chromatin condensation, DNA fragmentation in C6 glial cells. However, pre-treatment of PMT inhibited characteristic apoptotic phenomena. One of the main mediator of glutamate-induced cytotoxicity was known to generation of reactive oxigen species. In this study, PMT attenuated generation of reactive oxigen species by glutamate through down-regulation of NOX1 expression in C6 glial cells. Furthermore, PMT regulated Bcl2 families and caspase proteins, which contribute the cell survival or death. This study suggests that PMT may be candidate for both of therapeutic and protective prescription.
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KEYWORD
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Palmul-tang, C6 glial cells, Glutamate, Cytotoxicity, Apoptosis
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