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- W2888481136 abstract "Abstract The invasion of glioblastoma is a complex process based on the interactions of tumor cells and the extracellular matrix. Tumors that are engineered using biomaterials are more physiologically relevant than a two‐dimensional (2D) cell culture system. Matrix metalloproteinases and the plasminogen activator generated by tumor cells regulate a tumor’s invasive behavior. In this study, microtumors were fabricated by encapsulating U87 glioma cells in Type I collagen and then glioma cell migration in the collagen hydrogels was investigated. Crosslinking of collagen with 8S‐StarPEG increased the hydrogel viscosity and reduced the tumor cell migration speed in the hydrogels. The higher migration speed corresponded to the increased gene expression of MMP‐2, MMP‐9, urokinase plasminogen activator (uPA), and tissue plasminogen activator (tPA) in glioma cells grown in non‐crosslinked collagen hydrogels. Inhibitors of these molecules hindered U87 and A172 cell migration in collagen hydrogels. Aprotinin and tranexamic acid did not inhibit U87 and A172 migration on the culture dish. This study demonstrated the differential effect of pharmacologic molecules on tumor cell motility in either a 2D or three‐dimensional culture environment." @default.
- W2888481136 created "2018-08-31" @default.
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- W2888481136 date "2018-08-21" @default.
- W2888481136 modified "2023-10-15" @default.
- W2888481136 title "The mechanical and pharmacological regulation of glioblastoma cell migration in 3D matrices" @default.
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- W2888481136 doi "https://doi.org/10.1002/jcp.27209" @default.
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