The present invention provides a cell culture base that avoids contact between a photoresponsive layer and cells. The cell culture base of the present invention includes: a support layer; a photoresponsive layer; and a cell culture layer, wherein the photoresponsive layer is laminated on the support layer, the cell culture layer is laminated on the photoresponsive layer, the photoresponsive layer contains a photoresponsive substance that causes at least one of heat and change in magnetism by light irradiation, and the cell culture layer is capable of culturing cells.
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