After computing the migration index of all time points, we found no significant difference between 10 and 20% medium, although an increasing trend was observed in 20% medium (Fig. 4 c).
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A microcarrier-based spheroid 3D invasion assay to monitor dynamic cell movement in extracellular matrix.
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The sentences
Although a higher serum concentration did not increase the outcome significantly, a positive trend was observed because of enhanced cell proliferation with or without migration.