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An exploratory study of the association between SORL1 polymorphisms and sporadic Alzheimer's disease in the Han Chinese population.


ABSTRACT: In previous studies, we reported that the sortilin-related receptor, L (DLR class) A repeats containing (SORL1) gene single nucleotide polymorphisms (SNPs) are associated with the risk of sporadic Alzheimer's disease (SAD) in the Han Chinese population. To further explore the relationships between SORL1 genetic variants and SAD, we conducted a two-step study. Sequencing analysis in 50 case samples identified 14 SNPs within the promoter and untranslated region of the SORL1 gene. Subsequent genotyping analysis in 106 patients with SAD and 179 healthy controls detected a significant association between the "G" allele of SNP rs1133174 in the 3' untranslated region of the SORL1 gene and SAD risk (odds ratio =1.92, 95% confidence interval [95% CI] =1.28-2.90, adjusted P=0.028). In addition, "G" allele carriers of rs1133174 (GA + GG) have a 2.15-fold increased risk of SAD compared to noncarriers (AA) (adjusted P=0.042). However, no significant positive associations were observed in the other 13 SNPs within the SORL1 gene. These preliminary findings suggest that the SORL1 SNP rs1133174 may be a potential risk locus for SAD in the Han Chinese population.

SUBMITTER: Zhang F 

PROVIDER: S-EPMC4472075 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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An exploratory study of the association between SORL1 polymorphisms and sporadic Alzheimer's disease in the Han Chinese population.

Zhang Feng F   Liu Xiaowei X   Wang Bailing B   Cheng Zaohuo Z   Zhao Xingfu X   Zhu Jianzhong J   Wang Degang D   Wang Ying Y   Dong Aiguo A   Li Pengpeng P   Jin Chunhui C  

Neuropsychiatric disease and treatment 20150612


In previous studies, we reported that the sortilin-related receptor, L (DLR class) A repeats containing (SORL1) gene single nucleotide polymorphisms (SNPs) are associated with the risk of sporadic Alzheimer's disease (SAD) in the Han Chinese population. To further explore the relationships between SORL1 genetic variants and SAD, we conducted a two-step study. Sequencing analysis in 50 case samples identified 14 SNPs within the promoter and untranslated region of the SORL1 gene. Subsequent genoty  ...[more]

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