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目的探讨肌萎缩侧索硬化(amyotrophic lateral sclerosis,ALS)患者血清和脑脊液(cerebrospinal fluid,CSF)中胰岛素样生长因子-1(insulin-like growth factor-1,IGF-1)的水平及二者的关系。方法采用酶联免疫吸附法(ELISA)测量ALS患者和对照者的血清和CSF中IGF-1含量。结果ALS患者和健康对照者血清中IGF-1的含量分别为(158.06±71.02)ng/mL、(143.90±37.09)ng/