May 12, 2020

Mechanosensing of Mechanical Confinement by Mesenchymal-Like Cells

Frontiers in Physiology
Mary T DoolinKimberly M Stroka


Mesenchymal stem cells (MSCs) and tumor cells have the unique capability to migrate out of their native environment and either home or metastasize, respectively, through extremely heterogeneous environments to a distant location. Once there, they can either aid in tissue regrowth or impart an immunomodulatory effect in the case of MSCs, or form secondary tumors in the case of tumor cells. During these journeys, cells experience physically confining forces that impinge on the cell body and the nucleus, ultimately causing a multitude of cellular changes. Most drastically, confining individual MSCs within hydrogels or confining monolayers of MSCs within agarose wells can sway MSC lineage commitment, while applying a confining compressive stress to metastatic tumor cells can increase their invasiveness. In this review, we seek to understand the signaling cascades that occur as cells sense confining forces and how that translates to behavioral changes, including elongated and multinucleated cell morphologies, novel migrational mechanisms, and altered gene expression, leading to a unique MSC secretome that could hold great promise for anti-inflammatory treatments. Through comparison of these altered behaviors, we aim to discern how M...Continue Reading

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Mentioned in this Paper

Gene Expression
Mesenchymal Stem Cells
Tissue-Engineered Vascular Graft
Migration, Cell
Cell Body of Neuron
Cell Nucleus
Mesenchymal Stromal Cells

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