| Homozygosity of the T allele of the 46 C->T polymorphism in the F12 gene is a risk factor for ischemic stroke in the Spanish population. | |
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MedLine Citation:
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PMID: 15232129 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND AND PURPOSE: Ischemic stroke (IS) is a complex disease that involves genetic and environmental factors. In a family-based study (the Genetic Analysis of Idiopathic Thrombophilia [GAIT] Project) that included a genome-wide scan, we demonstrated that a common polymorphism (46 C-->T) in the exon 1 of the F12 gene jointly influences variability of plasma Factor XII levels and susceptibility to thrombotic disease. We have investigated the risk of IS related to this polymorphism in a case-control study. METHODS: We studied 436 individuals: 205 diagnosed with IS and 231 age-gender-ethnic control subjects. We measured Factor VIIIc, fibrinogen, and Factor XIIc levels, and we genotyped the 46 C-->T polymorphism in the F12 gene. RESULTS: There were 91 women and 114 men in the IS group and 109 women and 122 men in the control group. We confirmed our previous observation that individuals with different genotypes for the 46 C-->T polymorphism showed significant differences in Factor XIIc levels. Most importantly, the mutated T allele in the homozygous state (genotype T/T) was associated with an increased risk of IS with an adjusted odds ratio of 4.1 (95% CI, 1.1 to 15.9). CONCLUSIONS: This study suggests that the 46 C-->T polymorphism is a genetic risk factor for IS in the Spanish population. In addition, our results confirm that the use of genetic linkage studies along with a case-control association study is an extremely valuable approach for identifying DNA variants that affect complex diseases. |
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Authors:
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Amparo Santamaría; José Mateo; Isabel Tirado; Arturo Oliver; Roberto Belvís; Joan Martí-Fábregas; Rosa Felices; José Manuel Soria; Juan Carlos Souto; Jordi Fontcuberta |
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Publication Detail:
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Type: Journal Article Date: 2004-07-01 |
Journal Detail:
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Title: Stroke; a journal of cerebral circulation Volume: 35 ISSN: 1524-4628 ISO Abbreviation: Stroke Publication Date: 2004 Aug |
Date Detail:
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Created Date: 2004-07-23 Completed Date: 2004-12-23 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0235266 Medline TA: Stroke Country: United States |
Other Details:
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Languages: eng Pagination: 1795-9 Citation Subset: IM |
Affiliation:
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Hemostasia Unit, Department of Hematology, Universitat Autónoma de Barcelona, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain. msantamaria@hsp.santpau.es |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Case-Control Studies Factor XII / genetics*, metabolism Female Genotype Homozygote Humans Male Middle Aged Polymorphism, Genetic Risk Factors Spain / epidemiology Stroke / blood, epidemiology, genetics* |
| Chemical | |
Reg. No./Substance:
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9001-30-3/Factor XII |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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