TITLE

Haplotype-based case study of human CYP4A11 gene and cerebral infarction in Japanese subject

AUTHOR(S)
Naoyuki Sato; Yoichi Izumi; Yuji Kasamaki; Atsushi Shindo; Masakatsu Ohta; Masayoshi Soma; Noriko Aoi; Mikano Sato; Koichi Matsumoto; Yukio Ozawa; Yitong Ma
PUB. DATE
April 2008
SOURCE
Endocrine (1355008X);Apr2008, Vol. 33 Issue 2, p215
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Abstract   Objective CYP4A11 is an enzyme that converts arachidonic acid to 20-hydroxyeicosatetraenoic acid, which is involved in regulation of vascular tone in the brain. Recent evidence indicates that the polymorphism of the CYP genes is associated with cerebral infarction (CI). The aim of the present study was to assess the association between the human CYP4A11 gene and CI using a haplotype-based case-control study divided by gender. Methods Three SNPs of the human CYP4A11 gene (rs2269231, rs1126742, and rs9333025) were selected and genotyped for 174 CI patients and 293 controls. The data were assessed for three separate groups: total subjects, men and women. Results In men, the genotype distribution of rs9333025 significantly differed between the CI patients and control subjects (P = 0.047). The distribution of the dominant model of rs9333025 (GG vs. GA + AA) significantly differed between both the total and the men groups (P = 0.033, P = 0.028, respectively). Logistic regression analysis adjusted for the history of hypertension and diabetes mellitus also showed that the GG genotype was significantly more frequent in the CI patients than in the controls, both for the total and men groups (P 0.001, P = 0.008, respectively). The overall distribution of the haplotypes constructed with the 3 SNPs showed significant differences between the CI and the control in total group (P = 0.049). The T-C-G haplotype was significantly more frequent in control subjects than in the CI patients in the total group (P = 0.020). Conclusions The GG genotype of rs9333025 could be a genetic marker for CI in Japanese men. In addition, the T-C-G haplotype might also be a protective marker for CI in Japanese.
ACCESSION #
33049329

 

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