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相关概念视频

Overview Of Cell Separation And Isolation01:20

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Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
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Optimization of Flow Cytometric Sorting Parameters for High-Throughput Isolation and Purification of Small Extracellular Vesicles
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细胞外囊泡隔离方法的进步:走向细胞类型特定的EV隔离的道路

Adnan Shami-Shah1,2, Benjamin G Travis1,2, David R Walt1,2

  • 1Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02120, USA.

Extracellular vesicles and circulating nucleic acids
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概括

细胞外囊泡 (EVs) 对于细胞通信和疾病生物标志物发现至关重要. 本综述详细介绍了EV隔离技术的进步,并解决了其用于诊断和治疗的分析方面的挑战.

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细胞外囊泡中的细胞外囊泡.生物标志物 生物标志物特定细胞类型的特定细胞类型.诊断 诊断 诊断 诊断 诊断隔离方法 隔离方法

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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
  • 生物技术是生物技术.

背景情况:

  • 细胞外囊泡 (EVs) 对于细胞间通信至关重要,运输蛋白质,脂质和核酸.
  • 包括外体和微在内的EVs是由所有细胞分泌的,并且存在于生物流体中.
  • 它们的分析为疾病监测和治疗开发提供了液体生物标志物的潜力.

研究的目的:

  • 审查最近细胞外囊泡 (EV) 隔离技术的进展.
  • 讨论各种EV隔离方法的优点和局限性.
  • 探索EV隔离用于细胞类型特定分析的未来应用.

主要方法:

  • 通过超离心法进行超离心.
  • 密度梯度分离的分离方式
  • 尺寸排除色谱学 尺寸排除色谱学
  • 微流体学 微流体学
  • 基于磁珠的 / 亲和力方法.

主要成果:

  • 最近的创新提高了电动汽车隔离效率和纯度.
  • 不同的技术提供不同程度的成功,这取决于EV亚型和源材料.
  • 从复杂的生物样本中分离特定的EV种群仍然存在挑战.

结论:

  • 在EV隔离方面的进步对于释放其作为诊断和治疗工具的潜力至关重要.
  • 需要进一步开发强大的,特定于细胞类型的EV隔离.
  • 标准化方法对于可靠的EV生物标志物发现至关重要.