CPC C12N 5/0018 (2013.01) [C12N 5/0025 (2013.01); C12N 5/0682 (2013.01); C12N 2500/32 (2013.01); C12N 2500/33 (2013.01); C12N 2501/998 (2013.01); C12N 2510/02 (2013.01)] | 11 Claims |
1. A method for producing an exogenous polypeptide in a Chinese Hamster Ovary (CHO) cell, wherein the CHO cell expresses a nucleic acid encoding the exogenous polypeptide, the method comprising culturing the CHO cell in a culture medium comprising meta-tyrosine, wherein the meta-tyrosine in the culture medium is at a concentration of from 0.2 mM to 0.7 mM.
|