使用铜催化氧化乙烯酸合反应对柱上寡度氧核酸的多功能修改
Noriaki Minakawa1, Yayoi Ono, Akira Matsuda
1Graduate School of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan. noriaki@pharm.hokudai.ac.jp
Journal of the American Chemical Society
|September 18, 2003
概括
研究人员开发了一种新的方法来修改合成后的DNA链 (Oligodeoxynucleotides或ODNs). 这种多功能技术允许各种功能分子附着在ODN上,从而使分子生物学中的新应用成为可能.
科学领域:
- 合成化学 合成化学
- 分子生物学分子生物学
- 氧核酸合成的合成方法
背景情况:
- 对寡核酸 (ODN) 的合成后修饰对于开发新型分子工具至关重要.
- 现有的方法在效率,范围或适用于列合成方面可能存在局限性.
研究的目的:
- 开发一个多功能和高效的合成后修改策略,用于在列上合成的ODNs.
- 探索使用铜催化合反应将各种功能分子引入ODN.
主要方法:
- 用铜催化氧化乙烯酸合反应进行ODN修饰.
- 在树脂上使用甲基胺基改性链接剂来支持六合体.
- 研究了ArgoPore树脂作为对柱上修改的最佳支持.
- 引入了功能分子,如 antraquinone,生物素和光素.
主要成果:
- 成功修改了在列上的ODN,在5'-终端和内部位置都有很好的收益率.
- 已证明适用于具有随机序列的12mer ODNs.
- 由此产生的光素标记的ODN9作为Klenow片段介导的原料延伸试验的非RI原料.
结论:
- 开发的铜催化合方法为后合成修改柱上ODN提供了一种多功能方法.
- 这种技术促进了各种功能分子的高效结合,扩大了合成ODN的实用性.
- 修改后的ODN显示出在分子诊断和生物化学测试中的应用的前景.
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