CHO-K1

The CHO-K1 cell line was derived as a subclone from the parental CHO cell line initiated from a biopsy of an ovary of an adult Chinese hamster by T. T. Puck in 1957. The cells require proline in the medium for growth.

https://www.creative-bioarray.com/CHO-K1-CSC-C3064-item-1625.htm