期刊
NEUROLOGICAL RESEARCH
卷 27, 期 1, 页码 105-108出版社
MANEY PUBLISHING
DOI: 10.1179/016164105X18430
关键词
amyotrophic lateral sclerosis (ALS); oxidative stress; copper; Cu, Zn-superoxide dismutase; (Cu, Zn-SOD); mutation; free radical
Hydroxyl radical, ascorbate free radical, superoxide dismutase (SOD) activities, CuZn-SOD protein, Mn-SOD protein, 8-hydroxy-2'-deoxyguanosine (8-OHdG) and metals were compared in red blood cells (RBC), plasma and/or cerebrospinal fluid (CSF) between patients with sporadic amyotrophic lateral sclerosis (SALS), familial ALS (FALS) showing the Leu126Ser mutation in the Cu,Zn-SOD gene and controls. In patients with FALS or SALS, concentrations of hydroxyl radical in blood and ascorbate free radical and 8-OHdG in CSF were higher than control group values, while SOD activities in RBC and CSF were lower. In contrast, Cu,Zn-SOD protein concentrations in RBC were low only in FALS patients. Concentrations of Cu in CSF of SALS patients were higher than in controls. Thus, the pathogenesis of increased oxidative stress differs between SALS patients and FALS patients with a mutant Leu126Ser SOD1 gene.
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