Methods Renovascular hypertensive rat animal models were used. The experimental rats were catagorized into 4 group:4 wks hypertensive and control groups, 12 wks hypertensive and control groups.

• 方法 以二肾一夹肾血管性高血压大鼠(renascular hypertensive rats, RHR)为模型,假手术实验大鼠(sham operational rats, SOR)为对照,将实验大鼠分为4组:高血压4周组(H4),高血压12周组(H12),假手术4周组(S4),假手术12周组(S12)。