波谱学杂志 ›› 2007, Vol. 24 ›› Issue (4): 475-479.

• 祝贺邬学文先生八十华诞(专辑) • 上一篇    下一篇

含NGR的多肽与肿瘤细胞作用的NMR研究

吴昌琳1*, 叶海峰2,黄静2,吴自荣2   

  1. 1.上海市功能磁共振成像重点实验室, 华东师范大学 物理系; 
    2.华东师范大学 生命科学学院,上海 200062
  • 收稿日期:2007-08-28 出版日期:2007-12-05 发布日期:2007-12-05
  • 作者简介:吴昌琳(1965-),女,江西赣州人,博士,主要从事核磁共振的实验研究. 电话:021-62233281,E-mail:clwu@phy.ecnu.edu.cn.*通讯联系人.
  • 基金资助:

    上海市功能磁共振成像重点实验室(华东师范大学)开放课题基金资助(FMRI061208).

NGR Peptide Binding to Human Breast Cancer Cell Studied by NMR Spectroscopy

WU Chang-lin1*,YE Hai-feng2,HUANG Jing2,WU Zi-rong2   

  1. 1.Shanghai Key Laboratory of Functional Magnetic Resonance Imaging, Department of Physics, East China Normal University; 
    2.Scholl of Life Science East China Normal University; Shanghai 200062, China
  • Received:2007-08-28 Online:2007-12-05 Published:2007-12-05
  • About author:*Corresponding author:Wu Chang-lin,Tel:021-62233281,E-mail:clwu@phy.ecnu.edu.cn.
  • Supported by:

    上海市功能磁共振成像重点实验室(华东师范大学)开放课题基金资助(FMRI061208).

摘要:

NGR为肿瘤血管特异导向肽,将其与功能肽KV7连接构建成一导向功能多肽NGR-KV7;为研究该多肽与人肿瘤乳癌细胞的相互作用,应用核磁共振技术来探讨该多肽与细胞的作用位点和亲和性;通过1H NMR和T2弛豫谱的分析,推断该多肽分子与人乳癌细胞结合紧密,亲和程度高.

关键词: NMR, 相互作用, T2弛豫谱, NGR

Abstract:

NRG is a specific peptide with targeting binding affinity to tumor blood vessel. In this study, tumor-targeting functional peptides were constructed by connecting NGR peptide with functional peptides. To study the interaction between the constructed peptides with human breast cancer cell, binding epitope and affinity were measured with NMR spectroscopy. The spectroscopic and relaxation data showed that these peptides can bind to human breast cancer cell with high affinity.

Key words: NMR, interaction, T2 relaxation, NGR peptide

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