|
GM-CSF 是一种蛋白质, 可刺激骨髓产生几种白细胞并延长他们在骨髓外的生存。
在癌症治疗期间, 这种蛋白质被用于白血病, 贫血症或白细胞过低的病人。GM-CSF疗效好, 但因为生产困难, 故十分昂贵, 一克约卖六十万美元。直到现在, 科学家从微生物中获得了非常少量的该物质。南韩科学家期望在十年内经过临床测试后, 转基因猪生产的GM-CSF可实行商品化。(See Story from Korea Times) A team of South Korean scientists has created genetically altered pig clones, which produce an exorbitantly expensive substance that helps p a t I e n t s fight cancer.
The team, led by professor Park Chang-sik at Chungnam National University, Wednesday said they cloned four female piglets that will secrete GM-CSF in their milk in a year.
|
