Protective Effect of Perilla frutescens Extract against Oxidative Stress-Induced Cell Death in a Staurosporine-Differentiated Retinal Ganglion Cell Line

Staurosporine에 의해 분화된 망막신경절세포에서 산화 스트레스 유도 세포사멸에 대한 차조기 추출물의 보호 효능

  • Received : 2016.11.10
  • Accepted : 2017.01.23
  • Published : 2017.02.28


In this study, we examined the effect of Perilla frutescens extract (PFE) on oxidative stress-induced cell death in RGC-5 cell lines. Staurosporine-differentiated RGC-5 (ssdRGC-5) cells obtained by treating RGC-5 cells with $1{\mu}M$ staurosporine were incubated with PFE for 30 min and then exposed to buthionine sulfoximine plus glutamate (B/G) for 20 h. Cell death was detected using lactate dehydrogenase release assay and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide reduction assay. To investigate the mechanism underlying cell death, we determined caspase-3 activity, level of reactive oxygen species (ROS) formation, and expression levels of cytoplasmic cytochrome c and mitochondrial Bax. Treatment of ssdRGC-5 cells with B/G increased intracellular ROS and induced apoptosis with increasing caspase-3 activity. PFE rescued ssdRGC-5 cells from oxidative stress-induced cell death by inhibiting intracellular ROS production and caspase-3 activation and regulating apoptosis-related proteins such as cytochrome c and Bax. These findings suggest that PFE may have a beneficial neuroprotective effect against oxidative stress-induced apoptotic death in ssdRGC-5 cells.


Supported by : 한국보건산업진흥원, 중소기업청


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