Association Between the Polymorphism of Aldehyde Dehydrogenase 2 Gene and Cerebral Infarction in a Hakka Population in Southern China

Genetic factors play an important role in determining the susceptibility to ischemic stroke. Herein, we examined the association of an aldehyde dehydrogenase 2 ( ALDH2 ) gene polymorphism with cerebral infarction. Patients with cerebral infarction ( n  = 963) and healthy controls ( n  = 921) were in...

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Bibliographic Details
Published in:Biochemical genetics 2020-04, Vol.58 (2), p.322-334
Main Authors: Hou, Jing-yuan, Zhong, Zhi-xiong, Deng, Qiao-ting, Liu, Su-dong, Lin, Li-fang
Format: Article
Language:English
Subjects:
Age
Aldehyde dehydrogenase
Aldehyde dehydrogenase (NAD)
Aldehydes
Biochemistry
Biomedical and Life Sciences
Biomedicine
Cerebral infarction
Dehydrogenase
Dehydrogenases
Drinking
Females
Gene polymorphism
Genetic factors
Genotypes
Genotyping
Heredity
Human Genetics
Hypercholesterolemia
Hyperlipidemia
Hypertension
Infarction
Ischemia
Males
Medical Microbiology
Original Article
Polymorphism
Population genetics
Regression analysis
Risk analysis
Risk factors
Risk management
Smoking
Zoology
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Summary:Genetic factors play an important role in determining the susceptibility to ischemic stroke. Herein, we examined the association of an aldehyde dehydrogenase 2 ( ALDH2 ) gene polymorphism with cerebral infarction. Patients with cerebral infarction ( n  = 963) and healthy controls ( n  = 921) were included. Genotyping was performed using gene chip platform analysis, and Sanger sequencing was used to confirm ALDH2 genotypes. The risk prediction of ALDH2 polymorphisms for cerebral infarction was examined under three genetic modes of inheritance. For males, ALDH2*2/*2 genotype was a significant risk factor for cerebral infarction in the co-dominant model (age-, smoking-, and drinking-adjusted OR 1.514, 95% CI 1.005–2.282, p  = 0.047) and the recessive model (age-, smoking-, and drinking-adjusted OR 1.601, 95% CI 1.078–2.379, p  = 0.020). However, for females, ALDH2*2/*2 genotype was a protective factor for cerebral infarction in the co-dominant model (age-, smoking-, and drinking-adjusted OR 0.450 95% CI 0.215–0.941, p  = 0.034) and the recessive model (age-, smoking-, and drinking-adjusted OR 0.440, 95% CI 0.214–0.903, p  = 0.025). Further, logistic regression analysis revealed that age, smoking, hypertension, hyperlipidemia, and hypercholesterolemia were significant risks for the presence of cerebral infarction. In conclusion, these findings support an association of ALDH2 gene polymorphisms with ischemic stroke in a Chinese Hakka population. In particular, homozygote ALDH2*2/*2 may be a risk factor for cerebral infarction in males, but contribute to reduced risk for cerebral infarction in females.
ISSN:0006-2928
1573-4927
DOI:10.1007/s10528-020-09950-5