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Full-Text Articles in Biomedical Engineering and Bioengineering
A Novel High-Throughput, High-Content Three-Dimensional Assay For Determination Of Tumor Invasion And Dormancy, Mahera M. Husain, Theodore J. Puls, Sherry Voytik-Harbin
A Novel High-Throughput, High-Content Three-Dimensional Assay For Determination Of Tumor Invasion And Dormancy, Mahera M. Husain, Theodore J. Puls, Sherry Voytik-Harbin
The Summer Undergraduate Research Fellowship (SURF) Symposium
Metastasis accounts for most cancer deaths, while dormancy of tumor cells leads to unexpected cancer recurrence. These two aspects of cancer remain relatively untreatable in part because current two-dimensional (2D) methods of high-throughput drug screening cannot quantify outcomes related to these phenotypes. Three-dimensional (3D) in-vitro tumor models are a promising alternative because they better recreate the tumor microenvironment and relevant phenotypes. However, outcome measures for high-throughput screening of these systems are often limited to single measures such as metabolic activity using assays that are not standardized or optimized for 3D models. To address this gap, the objective of this work …
Extracellular Matrix Control Of Breast Cancer Metastasis And Dormancy, Lauren Barney
Extracellular Matrix Control Of Breast Cancer Metastasis And Dormancy, Lauren Barney
Doctoral Dissertations
To metastasize, a cell must travel through circulation to a secondary tissue, and this process causes 90% of all cancer deaths. Although inefficient, metastasis is not random, and only capable seeds in hospitable soils are capable of outgrowing into detectable metastases. The overall hypothesis in this work is that the secondary tissue microenvironment, particularly the extracellular matrix (ECM), mediates metastasis. We posit that the ability of metastatic cells to survive dormancy, exit quiescence, and colonize a tissue depends upon the ability of the soil to sustain survival, and subsequently trigger outgrowth. We created a simple biomaterial platform with systematic control …