Quantitative Analysis of Tumor Cell Migration in Three Dimensioinal Matrices

三维矩阵中肿瘤细胞迁移的定量分析

基本信息

项目摘要

The goal of our studies is to develop a quantitative understanding of tumor metastasis. As cell migration is the central part of metastasis, we are developing quantitative experimental and computational methods to study migration in three dimensional matrices. Our preliminary studies have indicated that cancer cell migration in two and three dimensional matrices is significantly different. The effects of matrix structure and mechanics as well as extracellular degradation by proteolytic enzymes can not be studied in existing two dimensional assays. This lack of information about key processes and variables leads to incomplete and inaccurate understanding. Our goal is to rectify these problems by quantifying tumor cell migration in native like three dimensional environments. In the proposed studies, we will develop a system level understanding of tumor cell migration. The individual and collective roles of cell adhesion, matrix composition, matrix structure and proteolysis will be studied in well established prostate cancer cell lines. This will be accomplished through the following specific aims: 1) Quantify the systematic interactions of integrins and extracellular matrix in regulating three -dimensional tumor cell motility, 2) Quantify the effects of extracellular matrix structure on protease activity in tumor cells and 3) Develop multi-scale computational models to predict and quantify cell adhesion and migration in three dimensional matrices. Our ability to combat and cure cancer rests on our understanding of the processes regulating metastasis. The project outlined in this proposal will be a significant step in reaching that level of understanding. By combining experiments and simulations, carried out in controlled environments that mimic in vivo settings, we will be able to quantify the individual and collective roles of matrix and cells in tumor cell migration. The systems level quantification achieved through our experiments and simulation will serve as a platform for discovery of anti- cancer therapeutics. Principal Investigator/Program Director : Zaman, Muhammad H., Ph.D..
我们研究的目标是对肿瘤转移有一个定量的了解。由于细胞迁移是转移的核心部分,我们正在开发定量的实验和计算方法来研究三维矩阵中的迁移。我们的初步研究表明,癌细胞在二维和三维基质中的迁移明显不同。在现有的二维分析中,不能研究基质结构和力学以及蛋白水解酶对细胞外降解的影响。这种对关键过程和变量信息的缺乏导致了不完整和不准确的理解。我们的目标是通过量化肿瘤细胞在自然的三维环境中的迁移来纠正这些问题。在拟议的研究中,我们将发展对肿瘤细胞迁移的系统水平的理解。在已建立的前列腺癌细胞系中,将研究细胞黏附、基质组成、基质结构和蛋白质分解的个体和集体作用。这将通过以下具体目标来完成:1)量化整合素和细胞外基质在调节三维肿瘤细胞运动中的系统相互作用,2)量化细胞外基质结构对肿瘤细胞中蛋白酶活性的影响,以及3)发展多尺度计算模型来预测和量化三维基质中的细胞黏附和迁移。我们抗击和治愈癌症的能力取决于我们对调控转移的过程的理解。本提案中概述的项目将是达到这一理解水平的重要一步。通过将实验和模拟相结合,在模拟体内环境的受控环境中进行,我们将能够量化基质和细胞在肿瘤细胞迁移中的个人和集体角色。通过我们的实验和模拟实现的系统水平的量化将作为发现抗癌疗法的平台。首席研究员/项目主任:扎曼,穆罕默德·H,博士。

项目成果

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KRISTI S. ANSETH其他文献

KRISTI S. ANSETH的其他文献

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{{ truncateString('KRISTI S. ANSETH', 18)}}的其他基金

Clickable Microgel Scaffolds for MSC Expansion and Delivery
用于 MSC 扩展和交付的可点击微凝胶支架
  • 批准号:
    9884753
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Photoresponsive materials to study matricellular signaling dynamics during crypt formation and fission
用于研究隐窝形成和裂变过程中基质细胞信号动力学的光响应材料
  • 批准号:
    10737202
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Clickable Microgel Scaffolds for MSC Expansion and Delivery
用于 MSC 扩展和交付的可点击微凝胶支架
  • 批准号:
    10356090
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Synthetic hydrogels to study formation and maintenance of intestinal crypts
用于研究肠隐窝的形成和维持的合成水凝胶
  • 批准号:
    10418728
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Synthetic hydrogels to study formation and maintenance of intestinal crypts
用于研究肠隐窝的形成和维持的合成水凝胶
  • 批准号:
    9981736
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Clickable Microgel Scaffolds for MSC Expansion and Delivery
用于 MSC 扩展和交付的可点击微凝胶支架
  • 批准号:
    10584600
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Synthetic hydrogels to study formation and maintenance of intestinal crypts
用于研究肠隐窝的形成和维持的合成水凝胶
  • 批准号:
    10164770
  • 财政年份:
    2019
  • 资助金额:
    $ 25.04万
  • 项目类别:
Hydrogels to Study Synergistic Effects of Signaling Factors and Matrix Mechanics on Valve Disease Progression
水凝胶研究信号因子和基质力学对瓣膜疾病进展的协同作用
  • 批准号:
    9247569
  • 财政年份:
    2016
  • 资助金额:
    $ 25.04万
  • 项目类别:
Hydrogels to Study Synergistic Effects of Signaling Factors and Matrix Mechanics on Valve Disease Progression
水凝胶研究信号因子和基质力学对瓣膜疾病进展的协同作用
  • 批准号:
    9397567
  • 财政年份:
    2016
  • 资助金额:
    $ 25.04万
  • 项目类别:
Protease Activity in 3D Matrices
3D 矩阵中的蛋白酶活性
  • 批准号:
    8684387
  • 财政年份:
    2014
  • 资助金额:
    $ 25.04万
  • 项目类别:

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