摘要 |
A composition containing human interleukin 6 having a saccharide chain, a process for producing human interleukin 6 by culturing cells in a medium containing ascorbic acid or its derivative, and a process for purifying a crude human interleukin 6 solution by chromatography using heparin carrier. The invention makes it possible to produce a high-quality composition containing human interleukin 6 having a saccharide chain to thereby apply the same in the medicinal use and to establish a process for mass producing human interleukin 6. |