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相关概念视频

Ligand Binding Sites02:40

Ligand Binding Sites

12.9K
Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
12.9K

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相关实验视频

Updated: Jul 9, 2025

Extracellular Protein Microarray Technology for High Throughput Detection of Low Affinity Receptor-Ligand Interactions
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Extracellular Protein Microarray Technology for High Throughput Detection of Low Affinity Receptor-Ligand Interactions

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使用高度敏感的细胞生物传感器探讨连接体-受体相互作用.

Maximilian A Funk1, Judith Leitner2, Marlene C Gerner3

  • 1Center for Pathophysiology, Infectiology and Immunology, Institute of Immunology, Division for Immune Receptors and T cell activation, Medical University of Vienna, Vienna, Austria.

Nature communications
|November 28, 2023
PubMed
概括
此摘要是机器生成的。

我们开发了敏感的细胞生物传感器来研究膜蛋白相互作用,为药物发现和生物研究提供了具有成本效益和生理相关的方法.

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Real-time Monitoring of Ligand-receptor Interactions with Fluorescence Resonance Energy Transfer

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Measuring Transcellular Interactions through Protein Aggregation in a Heterologous Cell System

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科学领域:

  • 生物化学 生物化学
  • 细胞生物学 细胞生物学
  • 免疫学 免疫学 免疫学

背景情况:

  • 膜蛋白相互作用是关键的治疗点.
  • 目前研究这些相互作用的方法往往昂贵,劳动密集,或缺乏生理相关性.
  • 需要敏感和适应性的工具来研究这些重要的细胞过程.

研究的目的:

  • 推出一种新的,高度敏感的细胞生物传感器平台,用于研究受体-连接体相互作用.
  • 展示这个平台在各种研究领域的多功能性和适用性.
  • 为分析膜蛋白相互作用提供更容易获得和生理相关的方法.

主要方法:

  • 发育的光记者细胞表达化学受体.
  • 从细胞表面分子和细胞内信号域中集成ectodomains.
  • 该平台的应用用于表征免疫检查点,检测受体/连接体,并评估病毒蛋白相互作用.

主要成果:

  • 细胞生物传感器平台在检测受体-连接体相互作用方面表现出高灵敏度.
  • 该平台成功地集成了各种各样的分子,用于各种各样的应用.
  • 在特征免疫检查点和探测特定受体或连接体的细胞方面的证明有用性.
  • 在评估病毒蛋白与宿主受体相互作用和评估药物中和能力方面有效.

结论:

  • 细胞生物传感器为研究膜蛋白相互作用提供了多功能和敏感的工具.
  • 该平台为现有方法提供了有价值的替代方案,提高了研究效率和生理相关性.
  • 该技术在药物发现,免疫学和病毒学研究中具有广泛的应用.