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相关概念视频

Flow Cytometry01:23

Flow Cytometry

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The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Multicolor Flow Cytometry-based Quantification of Mitochondria and Lysosomes in T Cells
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两种颜色的扩散在生物体内流动细胞计.

Amber L Williams1, Augustino V Scorzo2, Rendall R Strawbridge2

  • 1Northeastern University, Department of Bioengineering, Boston, Massachusetts, United States.

Journal of biomedical optics
|May 31, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了一种两种颜色的扩散体内流动细胞测量 (DiFC) 系统,用于同时检测小鼠中两种类型的循环瘤细胞 (CTC). 这一进步使不同CTC群体及其在瘤进展中的作用的同时研究成为可能.

关键词:
循环中的瘤细胞群.循环中的瘤细胞.光是一种光.的光学设备.

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Last Updated: Jun 25, 2025

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科学领域:

  • 生物医学工程 生物医学工程
  • 癌症研究 癌症研究
  • 流动细胞计量 (Flow Cytometry) 是一种流动细胞计.

背景情况:

  • 血液转移依赖于循环瘤细胞 (CTC) 和CTC集群 (CTCC).
  • 散体内流动细胞计 (DiFC) 以前被开发用于检测小动物表达CTC的单个光蛋白 (FP).
  • 同时检测两个FP可以同时研究不同的CTC亚群或异构的CTCC.

研究的目的:

  • 开发和验证一个双色 DiFC 系统,用于非侵入性检测表达两个不同的FP的循环细胞.
  • 为了使不同CTC群体在体内同时监测.
  • 促进在异质CTC环境中关于瘤发育和治疗反应的研究.

主要方法:

  • 设计和制造了一个DiFC仪器,能够检测表达绿色FP (GFP) 或tdTomato的细胞.
  • 在体外测试仪器,使用模仿组织的流动幻影.
  • 在多发性骨髓瘤携带的小鼠体内验证了该系统.

主要成果:

  • 在体外幻体中,GFP+和tdTomato+CTC和CTCC的精确分化得到了实现.
  • 在体内研究显示,在疾病进展过程中,表达两种FP的CTC增加.
  • 大多数CTCC (86.5%) 表达单个FP,而其余表达两者,得到超光谱冷成像的支持.

结论:

  • 双色DiFC成功地实现了两个不同的CTC和CTCC群体的并发检测.
  • 这项技术有助于研究同一动物内的不同CTC亚群的瘤发育和治疗反应.
  • 开发的系统为体内循环瘤细胞异质性的体内分析提供了一种新的方法.