Methods BALB/c mice were divided into three groups: mouse embryonic stem cell (ES) control, encephalomyocarditis virus (EMCV), and EMCV + ES.

• 方法雄性BALB/c小鼠分为三组：小鼠胚胎干细胞对照组(ES)，心肌炎病毒组(EMCV)及EMCV加ES治疗组。