Objective To compare the expression level of neuronal nitric oxide synthase (nNOS) mRNA and nNOS protein in normal and Duchenne muscular dystrophy (DMD)muscles.

• 目的 检测正常人与Duchenne肌营养不良症 (DMD)患儿肌肉中脑型一氧化氮合酶(nNOS )mRNA及其蛋白的表达水平。