上游充通大睾 Shanghai Jiao Tong University >GROWTH H⊙PM⊙NE (c) MT PROMOTER pBR 可产生基因工程药物的羊 Fig (a)These two mice are genetically the same strain,except that the 带有人类激素基因的小鼠 one on the right has been transfected with the human growth hormone gene (shown in its circular plasma vector).The new gene spurred an increase in this mouse's growth rate until it dwarfed its normal-sized companion.(b)Comparison of the meat from a pig into which bovine growth hormone genes were introduced (left) and a normal pig (right).A section taken at the same rib area of the two pigs indicates significantly reduced fat content in the transgenic pig.Both animals weighed approximately the same (Goat as drug factory.This normal-looking goat carries a human gene for synthesizing the cystic fibrosis transmembrane regulator (CFTR)protein.If tests go as planned,the CFTR will be marketed as a replacement factor for children with cystic fibrosis. 上海交大生命学院陈峰Shanghai Jiao Tong University 上海交大生命学院陈峰 带有人类激素基因的小鼠 可产生基因工程药物的羊