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Application of 3-D Microfluidic Models for Studying Mass Transport Properties of the Tumor Interstitial Matrix

机译:3-D微流模型在研究肿瘤间质基质传质特性中的应用

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摘要

The physical remodeling associated with cancer progression results in barriers to mass transport in the tumor interstitial space. This hindrance ultimately affects the distribution of macromolecules that govern cell fate and potency of cancer therapies. Therefore, knowing how specific extracellular matrix (ECM) and cellular components regulate transport in the tumor interstitium could lead to matrix normalizing strategies that improve patient outcome. Studies over the past decades have provided quantitative insights into interstitial transport in tumors by characterizing two governing parameters: (1) molecular diffusivity and (2) hydraulic conductivity. However, many of the conventional techniques used to measure these parameters are limited due to their inability to experimentally manipulate the physical and cellular environments of tumors. Here, we examine the application and future opportunities of microfluidic systems for identifying the physiochemical mediators of mass transport in the tumor ECM. Further advancement and adoption of microfluidic systems to quantify tumor transport parameters has potential to bridge basic science with translational research for advancing personalized medicine in oncology.
机译:与癌症进展相关的物理重塑导致肿瘤间隙空间中的物质运输受到阻碍。这种障碍最终影响了控制细胞命运和癌症治疗效力的大分子的分布。因此,了解特定的细胞外基质(ECM)和细胞成分如何调节肿瘤间质中的运输可能会导致改善患者预后的基质标准化策略。过去几十年的研究通过表征两个控制参数提供了对肿瘤间质运输的定量见解:(1)分子扩散性和(2)水力传导性。但是,由于无法通过实验操作肿瘤的物理和细胞环境,许多用于测量这些参数的常规技术受到了限制。在这里,我们检查微流控系统的应用和未来的机会,以识别肿瘤ECM中大量运输的生理化学介质。微流体系统的进一步发展和采用以量化肿瘤转运参数,具有将基础科学与转化研究联系起来的潜力,以促进肿瘤学中个性化医学的发展。

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