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  • 标题:Octylcaffeate Induced Apoptosis in Human Leukemia U937 Cells
  • 本地全文:下载
  • 作者:Mayuko Ujibe ; Syu-ichi Kanno ; Yu Osanai
  • 期刊名称:Biological and Pharmaceutical Bulletin
  • 印刷版ISSN:0918-6158
  • 电子版ISSN:1347-5215
  • 出版年度:2005
  • 卷号:28
  • 期号:12
  • 页码:2338-2341
  • DOI:10.1248/bpb.28.2338
  • 出版社:The Pharmaceutical Society of Japan
  • 摘要:We found that octylcaffeate, a semisynthetic caffeic acid derivative, strongly inhibited the growth of human histiolytic lymphoma U937 cells in a dose- and time-dependent manner via apoptosis. Octylcaffeate induced the fragmentation of DNA into multiples of 180 bp (an apoptotic DNA ladder) and condensation of chromatin, and increased the percentage of hypodiploid cells detected with a flow cytometer. DNA fragmentation induced by octylcaffeate was inhibited by pretreatment with Z-DEVD-FMK and Z-Asp-CH2D-CB, an inhibitor of caspase, clearly showing that the mode of cell death is apoptotic. These findings suggest that the cytotoxicity of octylcaffeate involves the induction of apoptosis.
  • 关键词:octylcaffeate;apoptosis;caspase;U937
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