Because it is hard to industrify the production of the targeting-medicant by this method ,we decide to research the expression of apoAI gene in methytrophic yeast Pichia pastoris system .

因此，我们决定运用毕赤氏酵母系统进ApoAI，获得rApoAI作为一个新载体，为制备新型靶向药物创造条件。