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  • 标题:Secoiridoid Glycosides from the Twigs of Ligustrum obtusifolium Possess Anti-inflammatory and Neuroprotective Effects
  • 本地全文:下载
  • 作者:Won Se Suh ; Oh Kil Kwon ; Tae Hyun Lee
  • 期刊名称:Chemical and Pharmaceutical Bulletin
  • 印刷版ISSN:0009-2363
  • 电子版ISSN:1347-5223
  • 出版年度:2018
  • 卷号:66
  • 期号:1
  • 页码:78-83
  • DOI:10.1248/cpb.c17-00720
  • 语种:English
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:

    Two new secoiridoid glycosides, obtusifolisides A and B ( 1 , 2 ), together with 7 known secoiridoid glycosides ( 3 – 9 ) were isolated from the twigs of Ligustrum obtusifolium . The chemical structures of new compounds were determined by a spectroscopic data analysis, including one and two dimensional (1D-, 2D)-NMR, High resolution-MS, and experiments involving chemical reactions. The isolated secoiridoid glycosides were evaluated for their anti-inflammatory effects in lipopolysaccharide (LPS)-stimulated BV-2 murine microglia cells. Compounds 2 , 5 , 6 , 8 , and 9 significantly reduced the production of nitric oxide (NO), with IC50 values of 5.45, 11.17, 14.62, 15.45, and 14.96 µM, respectively. None of the compounds were toxic to the cells. Additionally, we evaluated the neuroprotective effects of compounds 1 – 9 on nerve growth factor (NGF) induction in a C6 rat glioma cell line. Compounds 2 and 6 upregulated NGF secretion to 155.56±7.16%, and 139.35±11.65%, respectively, without significant cell toxicity.

  • 关键词:Ligustrum obtusifolium;secoiridoid glycoside;anti-inflammation;nerve growth factor (NGF) regulation
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