Document Detail

Association of polymorphisms in platelet and hemostasis system genes with acute myocardial infarction.
MedLine Citation:
PMID:  18035074     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Genetic polymorphisms may affect the balance between coagulation and fibrinolysis and thereby affect individual vulnerability to acute myocardial infarction (MI) among patients with underlying coronary atherosclerosis.
METHODS: We enrolled 1375 patients with an initial clinical presentation of coronary disease. We genotyped 49 single nucleotide polymorphisms (SNPs) in 9 coagulation system genes and compared patients who had an initial acute MI with patients who presented with stable exertional angina.
RESULTS: An SNP in CD36 (rs3211956) was significantly (P = .04) more common among patients who presented with acute MI (minor allele frequency 10.5%) than patients with stable exertional angina (minor allele frequency 8.0%). This association became marginally significant, however, after adjustment for conventional cardiac risk factors in an additive genetic model (odds ratio 1.34, CI 1.00-1.88, P = .053). An SNP in ITGB3 (Leu59Pro, rs5918) was slightly, but not significantly (P = .083), more common among patients with acute MI (minor allele frequency 14.5%) than among patients with stable exertional angina (minor allele frequency 12.0%). Two linked SNPs in THBD (Ala473Val, rs1042579; and rs3176123) were slightly, but not significantly (P = .079 and 0.052, respectively), less common among patients with acute MI (minor allele frequency 16.1%) than among patients with stable exertional angina (18.7% and 19.0%, respectively).
CONCLUSIONS: Four SNPs in platelet glycoprotein and hemostatic genes were nominally associated with acute MI rather than stable exertional angina as the initial clinical presentation of coronary artery disease. These findings are suggestive but require independent confirmation in larger studies.
Joshua W Knowles; Huijan Wang; Haruka Itakura; Audrey Southwick; Richard M Myers; Carlos Iribarren; Stephen P Fortmann; Alan S Go; Thomas Quertermous; Mark A Hlatky
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American heart journal     Volume:  154     ISSN:  1097-6744     ISO Abbreviation:  Am. Heart J.     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-11-23     Completed Date:  2007-12-03     Revised Date:  2014-06-02    
Medline Journal Info:
Nlm Unique ID:  0370465     Medline TA:  Am Heart J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1052-8     Citation Subset:  AIM; IM    
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MeSH Terms
Angina Pectoris / blood,  ethnology,  genetics*
Blood Coagulation Factors / genetics*
Cohort Studies
Gene Frequency
Genetic Predisposition to Disease
Middle Aged
Myocardial Infarction / blood,  ethnology,  genetics*
Platelet Membrane Glycoproteins / genetics*
Polymorphism, Single Nucleotide*
Grant Support
Reg. No./Substance:
0/Blood Coagulation Factors; 0/Platelet Membrane Glycoproteins

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

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