摘要 |
<p>Animal cells transformed by DNA having a promoter in a region which codes human IL-2 protein and in an upstream region thereof, and a process for producing human IL-2 protein by culturing the transformant to produce and accumulate human IL-2 protein in the culture product, and collecting the product. The protein is useful as an agent for preventing and treating tumor and an agent for treating a disease of immunity function reduction.</p> |