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Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

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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...
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Updated: Jun 7, 2025

Assay to Measure Nucleocytoplasmic Transport in Real Time within Motor Neuron-like NSC-34 Cells
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通过光显微镜测量FOXO核穿动力学

Elizabeth Jose1, Andrew L Paek2,3

  • 1Molecular and Cellular Biology, University of Arizona, Tucson, AZ, USA.

Methods in molecular biology (Clifton, N.J.)
|November 20, 2024
PubMed
概括

福克斯转录因子 (FOXO转录因子) 调节基因表达以应对压力. 特定的FOXO蛋白质的核穿动力学决定了特定的压力细胞结果,我们介绍了测量这些动力学的方法.

科学领域:

  • 细胞生物学 细胞生物学
  • 分子生物学分子生物学
  • 遗传学 遗传学 是一个

背景情况:

  • FOXO转录因子是细胞对各种压力的反应的关键调节者.
  • 在压力下,FOXO蛋白从细胞质转移到细胞核,激活数百个向基因.
  • FOXO激活的功能结果对应激类型和细胞类型具有高度特异性.

研究的目的:

  • 调查FOXO核穿动态在确定特异性压力细胞后果中的作用.
  • 概述用于量化FOXO核穿动态的方法.

主要方法:

  • 使用基于光的记者系统.
  • 测量FOXO转录因子在细胞核和细胞质之间的动态运动.

主要成果:

  • 提出FOXO核穿动力学作为一种压力特异性基因调节机制.
  • 这项研究为测量这些动态提供了一个框架.

结论:

  • 独特的FOXO穿模式与特定的细胞应激反应相关.
  • 提出的方法允许对FOXO动态进行定量分析,有助于理解应力适应.
关键词:
细胞命运 细胞命运福克斯OFOXO 在线播放免疫光效应 免疫光效应核到细胞质的穿.蛋白质动力学 蛋白质动力学时间间隔显微镜.

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