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Updated: Jul 15, 2025

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在活细胞中使用单分子追踪分析脂质膜的相异质性

Jiseong Park1, Yongdeok Ahn1, Wonhee John Lee1

  • 1Department of Physics and Chemistry, DGIST, Daegu 42988, Republic of Korea.

Analytical chemistry
|September 29, 2023
PubMed
概括

我们开发了脂质MAP,这是一种可视化活细胞中微小,快速移动的脂质域的新方法. 这种技术揭示了这些膜域是如何形成和改变的,为细胞信号和膜动态提供了洞察力.

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Asymmetric Lipid Bilayer01:35

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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