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走向一个更客观和高通量球体入侵试验量化方法.

Rozanne W Mungai1, Roger J Hartman2, Grace E Jolin1

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一种新的高通量方法客观地量化了水凝中的多细胞球体的3D细胞入侵. 这种方法最大限度地减少了球形尺寸变化,并为各种生物应用提供了精确的,方向依赖的入侵指标.

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科学领域:

  • 生物医学工程 生物医学工程
  • 细胞生物学 细胞生物学
  • 定量生物学 定量生物学

背景情况:

  • 3D水凝中的多细胞球体是研究细胞入侵的关键体外模型.
  • 现有的球状细胞入侵量化方法缺乏高通量,客观性和可访问性.
  • 球形大小和细胞形状的变化使得对入侵范围的客观评估变得复杂.

研究的目的:

  • 开发一种高通量,客观的量化方法,用于从球形体的3D细胞入侵.
  • 为了尽量减少对初始球形尺寸和细胞扩散的敏感性.
  • 提供精确的,取决于方向的入侵指标.

主要方法:

  • 分析光细胞核图像以自动计算像素级别的入侵指标.
  • 初始球形边界的分割和核像素距离的自动计算.
  • 引入面积惯性矩作为一个整合性入侵度量和主要成分分析,用于定向刺激的影响.

主要成果:

  • 开发的方法使得入侵指标的自动,像素级计算成为可能.
  • 新的指标,包括惯性时刻的面积,提供整合性和方向依赖的入侵评估.
  • 该方法成功分析了五种不同的细胞类型的侵入性,证明了它的力量和实用性.

结论:

  • 高通量量化方法提供了对3D多细胞球体入侵的一致和客观分析.
  • 该方法适用于各种细胞类型和生物应用,如癌症转移和伤口愈合.
  • 在MATLAB和Python的分析代码,以及一个GUI,提供了广泛的可访问性.