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Published in: BMC Neurology 1/2016

Open Access 01-12-2016 | Research article

Apolipoprotein E polymorphism and the risk of intracranial aneurysms in a Chinese population

Authors: Hao Liu, Ping Mao, Changhou Xie, Wanfu Xie, Maode Wang, Haitao Jiang

Published in: BMC Neurology | Issue 1/2016

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Abstract

Background

The relationship between the apolipoprotein E (APOE) polymorphism and intracranial aneurysms has previously only been studied in Russia and Japan but not in Chinese populations. The purpose of this study was to investigate the association between APOE polymorphism and the risk of intracranial aneurysms in a Chinese population.

Methods

The study population consisted of 150 intracranial aneurysms patients and 150 matched control subjects. The APOE gene polymorphism was analyzed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP).

Results

Patients with intracranial aneurysms had a significantly higher frequency of APOE E2/E2 genotype [odds ratio (OR) =9.51, 95 % confidence interval (CI) = 1.19, 76.04; P = 0.03] and APOE E2/E3 genotype (OR = 1.87, 95 % CI = 1.03, 3.40; P = 0.04) than healthy controls. The APOE E4/E4 genotype frequencies (OR = 0.09, 95 % CI = 0.01, 0.74; P = 0.03) in the intracranial aneurysms group were significantly lower than those in the controls group. When stratified by the site, shape, size and the Fisher Grade of intracranial aneurysms, no statistically significant result was observed.

Conclusion

Our study suggested that APOE polymorphism might be associated with intracranial aneurysms in Chinese population. Additional studies are needed to confirm this finding.
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Metadata
Title
Apolipoprotein E polymorphism and the risk of intracranial aneurysms in a Chinese population
Authors
Hao Liu
Ping Mao
Changhou Xie
Wanfu Xie
Maode Wang
Haitao Jiang
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Neurology / Issue 1/2016
Electronic ISSN: 1471-2377
DOI
https://doi.org/10.1186/s12883-016-0537-z

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