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矩阵金属蛋白酶的抑制剂指纹使用组合性酸胺库的抑制剂指纹.

Mahesh Uttamchandani1, Jun Wang, Junqi Li

  • 1Department of Biological Sciences, National University of Singapore, Singapore 117543.

Journal of the American Chemical Society
|June 2, 2007
PubMed
概括

研究人员使用1400个酸的多样性库绘制了七种矩阵金属蛋白酶 (MMP) 的抑制剂指纹图. 这揭示了独特的抑制模式,有助于选择性药物领先的识别.

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科学领域:

  • 生物化学 生物化学
  • 药用化学 医学化学
  • 酶学 是一种酶学.

背景情况:

  • 矩阵金属蛋白酶 (MMP) 是参与各种生理和病理过程的关键酶.
  • 开发MMP的选择性抑制剂是具有挑战性的,因为保留了活性位点和基质偏好.
  • 现有的抑制剂查方法可能耗时,可能无法捕获细微的选择性概况.

研究的目的:

  • 为代表所有五个已建立的家族的七个矩阵金属蛋白酶 (MMPs) 产生全面的抑制剂指纹.
  • 通过使用多样化的化学库来识别MMPs的强效和选择性小分子抑制剂.
  • 建立一种基于其抑制剂配置文件的MMP功能分类的新策略.

主要方法:

  • 合成了1400个酸的库,其中自然和非自然氨基酸在P1',P2'和P3'位置的系统变化.
  • 在微型板格式中进行了高通量选,以快速和定量地确定抑制剂效力.
  • 对MMP面板中的各种化学支架进行了抑制模式分析,以生成抑制剂指纹.

主要成果:

  • 每个MMP都观察到明显的抑制模式,尽管酶类内的结构相似性.
  • 抑制剂指纹成功识别了具有高强度和可取选择性的化合物.
  • 生成的数据通过突出特定的抑制剂-酶相互作用,促进了药物开发中的潜在副作用最小化.

结论:

  • 开发的战略提供了一种快速和定量方法,用于在早期药物发现中进行选择性选.
  • 抑制剂指纹为MMPs的功能分类提供了一种新的方法.
  • 这种方法加快了领先的识别和优化,以开发有针对性的基于MMP的治疗方法.