模拟循环瘤细胞 (CTC) 和附着在毛细血管壁上的血小板之间的转移的关键相互作用
Miljan Milosevic1, Vladimir Simic2, Aleksandar Nikolic3
1Bioengineering Research and Development Center, BioIRC, Prvoslava Stojanovica 6, 34 000 Kragujevac, Serbia; Institute for Information Technologies, University of Kragujevac, Jovana Cvijica, 34 000 Kragujevac, Serbia; Belgrade Metropolitan University, Tadeuša Košćuška 63, 11158 Belgrade, Serbia.
Computer methods and programs in biomedicine
|September 28, 2023
概括
这项研究模拟了循环瘤细胞 (CTC) 如何在毛细血管中停止. 它揭示了CTC大小,硬度和血小板相互作用对于停止至关重要,有助于疾病进展预后.
科学领域:
- 生物医学工程 生物医学工程
- 计算生物学 计算生物学
- 翻译性瘤学 翻译性瘤学
背景情况:
- 循环瘤细胞 (CTC) 是癌症转移的关键.
- 了解微血管中的CTC停止对于预测疾病传播至关重要.
- 血小板相互作用显著影响循环中的CTC行为.
研究的目的:
- 调查CTC在狭窄的毛细血管中被附着血小板的关键条件.
- 在微容器中计算模型CTC通道和变形.
- 分析血小板相互作用在CTC停止中的作用.
主要方法:
- 一个2D流体-固体相互作用 (FSI) 模型是使用强合方法和重复混合开发的.
- 一个1D有限元 (FE) 绳子元件被实施来模拟连接体-受体键.
- 该计算模型在体外验证,使用微流体装置与转移性乳腺瘤细胞进行验证.
主要成果:
- 在CTC特性 (大小,硬度),血小板特征 (大小,硬度) 和联结体受体相互作用强度之间建立了关系.
- 确定了影响CTC与血小板接触时间的关键因素.
- 确定了在微血管系统内阻止CTC所需的条件.
结论:
- 提出的计算框架为研究CTC逮捕的生物力学条件提供了一个强大的工具.
- 该模型有助于理解CTC-血小板相互作用及其在转移中的作用.
- 这种方法可以提供有关癌症疾病进展的预后见解.
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