METHODS: Twenty four male Wistar Kyoto rats were divided into three groups(n=8): Control (C) group, L NAME (L) group, L NAME plus simvastatin (L+S) group.

• 方法 :2 4只Wistar大鼠随机分为正常对照组 (C组 )、硝基精氨酸甲酯 (L NAME)组 (L组 )和L NAME +辛伐他汀组(L+S组 )。