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In vitro migration assay using a 3D agar culture system. (a) Schematic of 3D agarose gel used to model migration in vitro. (b) Fluorescent images depicting HB1Fluc cells (green) migrating towards LN229Fluc cells (red). (c) Fluorescent images depicting HB1Fluc cells (green) on continuous liquid interface production (CLIP) scaffolds in the absence of adjacent tumor. Scale bars indicate 1 mm.
