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相关概念视频

Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

1.9K
Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
1.9K
Labeling DNA Probes03:31

Labeling DNA Probes

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DNA probes are fragments of DNA labeled with a reporter tag to enable their detection or purification. The resulting labeled DNA probes can then hybridize to target nucleic acid sequences through complementary base-pairing, and may be used to recover or identify these regions.
Radioisotopes, fluorophores, or small molecule binding partners like biotin or digoxigenin, are the most widely used reporter tags for labeling DNA probes. These labels can be attached to the probe DNA molecule via...
7.8K

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相关实验视频

Updated: May 6, 2026

Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging
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Quantitation of Protein Expression and Co-localization Using Multiplexed Immuno-histochemical Staining and Multispectral Imaging

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同时使用三角形试剂进行双蛋白标签.

Mohammad Rashidian1, Sidath C Kumarapperuma, Kari Gabrielse

  • 1Department of Chemistry, and §Department of Medicinal Chemistry, University of Minnesota , Minneapolis, Minnesota 55455, United States.

Journal of the American Chemical Society
|October 19, 2013
PubMed
概括
此摘要是机器生成的。

一种新的三角形试剂可以同时将基和基基组合并到蛋白质中. 这有助于创建复杂的,多功能蛋白质组件用于生物治疗和细胞成像应用.

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Detection of Heterodimerization of Protein Isoforms Using an in Situ Proximity Ligation Assay
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Tracking Drug-induced Changes in Receptor Post-internalization Trafficking by Colocalizational Analysis
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Tracking Drug-induced Changes in Receptor Post-internalization Trafficking by Colocalizational Analysis

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相关实验视频

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Detection of Heterodimerization of Protein Isoforms Using an in Situ Proximity Ligation Assay
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科学领域:

  • 生物结合化学 生物结合化学
  • 蛋白质工程是指蛋白质工程.
  • 生物疗法开发 生物疗法开发

背景情况:

  • 不同功能蛋白质的构造对于生物治疗的进步至关重要.
  • 蛋白质修饰增强了特异性,功能性,功效和药理动力学.
  • 蛋白法纳西转移酶 (PFTase) 能够实现特定位点的蛋白质先化.

研究的目的:

  • 设计和合成一个三角形试剂,同时将基和基合并到蛋白质中.
  • 为了证明这种试剂在制造功能化蛋白质和复杂组件中的应用.
  • 用模型和治疗蛋白质验证方法.

主要方法:

  • 用一种新的三角形试剂对蛋白质进行酶性修饰.
  • 随后的氧化物结合和点击化学为小部分结合.
  • 在功能化绿色光蛋白 (GFP),状神经营养因子 (CNTF) 和创建蛋白质纳米结构中的应用.

主要成果:

  • 成功地将基和基基组在特定位置内纳入蛋白质.
  • 同时结合光体 (TAMRA) 和聚乙烯糖醇 (PEG) 部分.
  • 从修饰的蛋白质中形成自组装的纳米结构,用于细胞成像.

结论:

  • 三角形方法为构建复杂,多功能蛋白质组件提供了一个简单的方法.
  • 这一战略对生物治疗和先进的生物研究具有重大潜力.
  • 能够为各种应用程序精确设计蛋白质功能.