Preious work has shown that mice with their prion gene knocked out remain healthy, and when inoculated with scrapie are protected against the disease1.

• 先前的工作已经告诉我们，被敲除普粒子基因的老鼠仍然健康，并且当嫁接羊瘙痒病的时候它们能够抵御疾病。