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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 87 - 92 (6page)
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초록· 키워드
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Objectives : This study was performed to evaluate the neuroprotective effect of water extracts from Nelumbinis semen (NSW) in dopaminergic cells. Methods : We performed 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay, 2,2-azinobis3-ethyl-benzothiazoline-6-sulfonic acid (ABTS) cation scavenging assay, and determination of total polyphenolic content to examine the antioxidant effects of NSW. We also evaluated the neuroprotective effects against 6-hydroxydopamine (6-OHDA)-induced toxicity using 3-(4,5-dimethylthiazol-2-yl)- 2,5-diphenyl-tetrazolium bromide assay (MIT) assay, trypan blue cytotoxicity assay, and nitric oxide assay in SH-SY5Y cells and tyrosine hydroxylase (TH) immunohistochemistry in primary rat dopaminergic neurons. Results : NSW showed $IC_{50}$ values of 184.80 and 92.90 ${\mu}$g/mL in DPPH and in ABTS assays, respectively. NSW showed 1.05% of total polyphenol contents. NSW showed protective effect against 6-0HDA-induced neurotoxicity whereas no influence on cell viability at the concentration of 1${\sim}$50 ${\mu}$g/mL. NSW reduced NO generation while 6-OHDA produced it. Moreover, it protected rat dopaminergic neurons against 6-0HDA at a dose of 1 ${\mu}$g/mL. Conclusions : These results indicated that NSW has neuroprotective effect against 6-0HDA-induced neurotoxicity through antioxidant activity in dopaminergic cell culture.
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