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In vitro validation of the migration ability of the living materials in the MG63 tumor spheroid model. a) Left to right 3D migration assay based on the Transwell assay. H@C@D‐loaded hADSCs were labeled with pkh67 (green), and MG63 spheroids were labeled with pkh26 (red). b) Scheme of the top to bottom 3D migration model. c) Top to bottom 3D migration assay. assay. H@C@D‐loaded hADSCs were labeled with pkh67 (green), and MG63 spheroids were labeled with pkh26 (red).
