In multiple sclerosis, for example, axons and neurons can die after myelin is lost as a result of the disease. 以多發(fā)性硬化癥為例，疾病引起的髓鞘喪失，會(huì )造成軸突與神經(jīng)的死亡。
The drug co-developers have already begun a clinical trial of Rituxan in a more severe form of the disease, primary progressive multiple sclerosis. 這種藥物的聯(lián)合開(kāi)發(fā)者們已經(jīng)開(kāi)始在更加嚴重的多發(fā)性硬化患者里開(kāi)展了臨床試驗，主要是進(jìn)行性的多發(fā)性硬化病人。
