Document Detail


Genotype polymorphisms of GGCX, NQO1, and VKORC1 genes associated with risk susceptibility in patients with large-artery atherosclerotic stroke.
MedLine Citation:
PMID:  20193673     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Gamma-glutamyl carboxylation, a reaction essential for the biosynthesis of vitamin K-dependent coagulation factors, requires the participation of the gamma-glutamyl carboxylase (GGCX), vitamin K epoxide reductase (VKORC1), and NAD(P)H:quinone oxidoreductase (NQO1). We evaluated the role of these genotype polymorphisms in patients with large-artery atherosclerotic stroke.
METHODS: In this hospital-based case-control study, 117 patients who were categorized as having large-artery atherosclerotic stroke and 115 age- and gender-matched controls were recruited. Genotyping determination for the GGCX1 (Gln325Arg), NQO1 (Pro187Ser), and VKORC1 (rs9923231) polymorphisms was performed. The associations of genotype with ischemic stroke (IS) risk were examined.
RESULTS: A higher genotypic frequency of NQO1 C609T was found in the controls than in the patients, manifesting a 0.47-fold risk reduction in IS (95% CI=0.25-0.87). A tendency toward a reduced IS risk was statistically significant in those subjects who carried a greater number of the NQO1, GGCX, and VKORC1 polymorphisms (aOR=0.58, P(trend)=0.005). The synergistic effect of multiple genes on risk reduction was more significant in a subset of patients who were not alcoholics and who were non-smokers (P<0.05).
CONCLUSIONS: Compartmentation of coagulation factor metabolism may account for the preferential role of NQO1, GGCX, and VKORC1 polymorphisms to lower the risk for large-artery atherosclerotic stroke.
Authors:
Hann-Yeh Shyu; Chin-Shih Fong; Yi-Ping Fu; Jia-Ching Shieh; Jiu-Haw Yin; Ching-Yi Chang; Hsiao-Wei Wang; Chun-Wen Cheng
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2010-03-01
Journal Detail:
Title:  Clinica chimica acta; international journal of clinical chemistry     Volume:  411     ISSN:  1873-3492     ISO Abbreviation:  Clin. Chim. Acta     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-04-19     Completed Date:  2010-11-29     Revised Date:  2012-05-28    
Medline Journal Info:
Nlm Unique ID:  1302422     Medline TA:  Clin Chim Acta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  840-5     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier B.V. All rights reserved.
Affiliation:
Neurology Section, Internal Medicine Department, Armed Forces Taoyuan General Hospital, Taoyuan, Taiwan.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aged, 80 and over
Atherosclerosis / enzymology,  genetics*
Carbon-Carbon Ligases / genetics*
Case-Control Studies
Female
Genetic Predisposition to Disease
Genotype
Humans
Male
Middle Aged
Middle Cerebral Artery / enzymology,  pathology
Mixed Function Oxygenases / genetics*
NAD(P)H Dehydrogenase (Quinone) / genetics*
Polymorphism, Genetic / genetics*
Risk Factors
Stroke / enzymology,  genetics*,  pathology
Chemical
Reg. No./Substance:
EC 1.-/Mixed Function Oxygenases; EC 1.14.99.-/vitamin K epoxidase; EC 1.6.5.2/NAD(P)H Dehydrogenase (Quinone); EC 1.6.5.2/NQO1 protein, human; EC 6.4.-/Carbon-Carbon Ligases; EC 6.4.-/glutamyl carboxylase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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