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Cell and extracellular matrix interaction models in benign mesothelial and malignant pleural mesothelioma cells in 2D and 3D in‐vitro

January 26, 2021 By Thomas Lamb

Malignant pleural mesothelioma (MPM) is an aggressive tumour that grows in the pleural cavity. [ Malignant pleural mesothelioma (MPM) ] spheroids released in the pleural fluid can form new tumour foci. Cell–cell, cell–extracellular matrix (ECM) interactions in 2D and 3D impact malignant cell behaviour during cell adhesion, migration, proliferation and epithelial–mesenchymal transition (EMT). In this study, epithelioid, biphasic and sarcomatoid [ Malignant pleural mesothelioma (MPM) ] cell types as well as benign mesothelial cells were tested with regards to the above phenotypes. Fibronectin (FN) and homologous cell‐derived extracellular matrix (hcd‐ECM) treated substratum differentially affected the above phenotypes. 3D [ Malignant pleural mesothelioma (MPM) ] spheroid invasion was higher in FN‐collagen matrices in the epithelioid and biphasic cells, while 3D cell cultures of epithelioid and sarcomatoid [ Malignant pleural mesothelioma (MPM) ] cells in FN‐collagen showed a higher contractility compared to hcd‐ECM‐collagen. Cell aggregates demonstrated invasive behaviour in hcd‐ECM matrices alone. Our results suggest that ECM and the dimensionality affect malignant cell behaviour during cell culture studies.

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Filed Under: Mesothelioma Tagged With: malignant pleural mesothelioma (MPM), mesothelioma

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