The cardiomyocytes were stained [3-(4,5-dimethyl-thiaziazol-2-yl)-2-5-diphenyltetrazolium bromide,MTT] and the counted.

• 培养基中加入CT-1(10-8mol/L),1、2、3和4 d MTT计数呈明显的时间依赖性增加;