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Polymorphisms in protein disulfide isomerase are associated with sporadic amyotrophic lateral sclerosis in the Chinese Han population
Ist Teil von
International journal of neuroscience, 2016-01, Vol.126 (7), p.607-611
Ort / Verlag
New York: Taylor & Francis
Erscheinungsjahr
2016
Link zum Volltext
Quelle
Psychology & Behavioral Sciences Collection
Beschreibungen/Notizen
Amyotrophic lateral sclerosis (ALS) is a fatal adult-onset neurodegenerative disease that targets the motor system; it is caused by the loss of motor neurons in the spinal cord, brain stem, and cerebral cortex. However, the etiology of ALS remains unknown, although genetic factors may play an important role in its development. The purpose of this study was to investigate the association between common polymorphisms in protein disulfide isomerase (PDI) with sporadic amyotrophic lateral sclerosis (SALS) in a Chinese Han population. Two single nucleotide polymorphisms (SNPs) in P4HB (rs876016 and rs2070872) were genotyped in 322 patients with SALS and 265 control subjects using polymerase chain reaction-restriction fragment length polymorphism. Our results showed that SNPs rs876016 and rs2070872 were significantly associated with ALS. The minor allele frequencies of rs876016 (C) and rs2070872 (G) were significantly higher in patients with sporadic ALS than in control subjects (P = 0.035 and 0.003, respectively). The genotype frequencies of rs876016 and rs2070872 were significantly different between SALS patients and control subjects (genotypic P < 0.001). Individuals carrying rs876016/ rs2070872 C/G genotypes were associated with a significantly increased risk of SALS. These results suggest that common variants in PDI might contribute to the development of SALS in the Chinese Han population.