Cell culture method and utilization of the same

摘要

It is intended to make cells to produce a protein at a high level by using a medium containing an enzymatically digested product of fish meant or a fish meat extract. Namely, a method of culturing cells characterized by comprising initiating the culture of the cells in a medium containing an enzymatically digested product of fish meant or a fish meat extract, and then adding the enzymatically digested product of fish meant or the fish meat extract to the medium at least once during the cell culture; and a method of producing a desired protein by using this culture method.