English  |  正體中文  |  简体中文  |  全文筆數/總筆數 : 55221/89519 (62%)
造訪人次 : 10721291      線上人數 : 21
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library & TKU Library IR team.
搜尋範圍 查詢小技巧:
  • 您可在西文檢索詞彙前後加上"雙引號",以獲取較精準的檢索結果
  • 若欲以作者姓名搜尋,建議至進階搜尋限定作者欄位,可獲得較完整資料
  • 進階搜尋
    請使用永久網址來引用或連結此文件: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/85543

    題名: The Antitumor Activity of the Hydrolysates of Chitinous Materials Hydrolyzed by Crude Enzyme from Bacillus amyloliquefaciens V656
    作者: 王三郎;Wang, San-Lang;Liang, Tzu-Wen;Chen, Yu-Jen;Yen, Yue-Horng
    貢獻者: 淡江大學生命科學研究所
    日期: 2007
    上傳時間: 2013-04-09 11:38:59 (UTC+8)
    摘要: Chitin, colloidal chitin and water-soluble chitosan were hydrolyzed by crude enzyme solution produce by Bacillus amyloliquefaciens V656. The hydrolysates with 12 h hydrolysis contained optimal (GlcNAc)6 and showed higher antitumor activity. Among those chitinous materials, the most effective one was the hydrolysates of water-soluble chitosan, which inhibited the growth of CT26 cells and reduced the survival rate to 34% in 1 day. Since the hydrolysate of water-soluble chitosan contained the optimal hexamer/(GlcNAc)6 at 12 h, it is conjectured that the antitumor activity should be related to (GlcNAc)6. This conjecture was further affirmed by experiment with pure (GlcNAc)6. However, This phenomenon might be due to the synergistic effect of the oligomers (GlcNAc)n, n = 1–6 in the hydrolysates. The antitumor effect of the chitinous hydrolysates is worth further investigation. The aim of this study was to investigate the induced apoptosis in CT26 cells by the hydrolysates of chitinous materials. It was found that the hydrolysates (A, B and C) inhibited the survival of CT26 cells in a concentrationand time-dependent manner. The hydrolysates induced characteristic DNA fragmentation of the CT26 cells. These results suggested that the hydrolysates from chitinous materials are potent apoptosisinducing agents for CT26 cells.
    關聯: 2007年 台灣幾丁質幾丁聚醣研討會論文集=Proceedings of 2007 Taiwan Chitin and Chitosan Symposium, 3p.
    DOI: 10.1016/j.procbio.2006.10.005
    顯示於類別:[生命科學研究所] 會議論文


    檔案 大小格式瀏覽次數



    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library & TKU Library IR teams. Copyright ©   - 回饋