Article Abstract

Determining association of rho kinase 1 gene polymorphisms with risk of Alzheimer’s disease: a multicenter pilot study

Authors: Ying Gao, Xia Li, Xiao-Hong Liu, Qian-Hua Zhao, Xiang-Qian Che, Qi-Hao Guo, Ru-Jing Ren, Gang Wang

Abstract

Background: In addition to the increasing evidence for a molecular mechanism of rho kinase 1 (ROCK1) in Alzheimer’s disease (AD), there are several published studies regarding the relationship between ROCK1 gene polymorphisms and neurological diseases. However, it is unknown whether there is an association between the polymorphisms of ROCK1 and AD. We sought to identify the potential association between ROCK1 gene polymorphisms and AD in the Chinese Han population.
Methods: A total of 295 patients with AD and 206 healthy controls from multiple centers were enrolled in this study. Three single-nucleotide polymorphisms (SNPs) (rs35996865, rs11873284, and rs2127958) in ROCK1 gene were analyzed using Sanger sequencing.
Results: We did not find any significant differences between AD and control groups with regards to the frequency of these three ROCK1 polymorphisms. Further, the three SNP genotype frequencies and allele frequencies did not show significant differences between patients of AD and controls in APOE4-stratified subjects (P>0.01). Additionally, the three SNPs did not show significant differences even when adopting a four-inheritance model by logistic regression.
Conclusions: This is the first multicenter pilot study to evaluate the contribution of ROCK1 genetic variance to AD risk. Our data demonstrated that the ROCK1 gene may not influence the risk of AD by interacting with APOE among Chinese Han people.

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