Methods The rat model of acute myocardial ischemia was established,immunohistochemical S-P method was used to observe the depletion of desmin in cardiomyocytes.

• 方法建立大鼠急性心肌缺血模型，用免疫组织化学S-P法研究心肌细胞内结蛋白的缺失情况。