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Association between...
Association between the low activity genotype of catechol-O-methyltransferase and myocardial infarction in a hypertensive population
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- Eriksson, Anna-Lena, 1971 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin,Institute of Internal Medicine
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- Skrtic, Stanko, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin,Institute of Internal Medicine
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- Niklason, Anders, 1960 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin,Institute of Internal Medicine
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- Mattsson Hultén, Lillemor, 1951 (author)
- Gothenburg University,Göteborgs universitet,Wallenberglaboratoriet,Wallenberg Laboratory
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- Wiklund, Olov, 1943 (author)
- Gothenburg University,Göteborgs universitet,Wallenberglaboratoriet,Wallenberg Laboratory
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- Hedner, Thomas, 1949 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin,Institute of Internal Medicine
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- Ohlsson, Claes, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin, Avdelningen för internmedicin,Institute of Internal Medicine, Dept of Medicine
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(creator_code:org_t)
- 2004
- 2004
- English.
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In: Eur Heart J. ; 25:5, s. 386-91
- Related links:
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Abstract
Subject headings
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- AIM: Estrogens regulate several biological processes involved in the pathogenesis of myocardial infarction. Catechol-O-methyltransferase (COMT) is a key enzyme in the degradation of estrogens. There is a functional polymorphism in the COMT gene (Val158Met), affecting the activity of the enzyme. We investigated if the low activity genotype of COMT is associated with an altered risk of myocardial infarction. METHODS AND RESULTS: In a prospectively followed hypertensive cohort we identified 174 patients who suffered a myocardial infarction during the study and compared them to 348 controls from the same cohort. The COMT polymorphism and serum levels of sex hormones were analysed. Patients homozygous for the low activity COMT genotype had a decreased risk of myocardial infarction compared to those with the high activity genotype, odds ratio 0.65 (95% CI 0.44-0.97, p=0.033 ). The protective effect of the low activity genotype was most evident among older patients (> 58 years of age), odds ratio 0.43 (95% CI 0.23-0.79, p=0.006 ). Serum levels of estradiol were increased ( p=0.006 ) in males with the low activity genotype. CONCLUSIONS: Our findings suggest that the low activity COMT genotype is protective against myocardial infarction. One may speculate that the altered estrogen status could be involved in this effect.
Keyword
- Angiotensin-Converting Enzyme Inhibitors/*therapeutic use
- Captopril/*therapeutic use
- Case-Control Studies
- Catechol O-Methyltransferase/*genetics
- Female
- Genotype
- Humans
- Hypertension/drug therapy/*genetics
- Male
- Middle Aged
- Myocardial Infarction/enzymology/*genetics
- Polymorphism
- Genetic
- Prospective Studies
Publication and Content Type
- ref (subject category)
- art (subject category)
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Eriksson, Anna-L ...
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Skrtic, Stanko, ...
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Niklason, Anders ...
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Mattsson Hultén, ...
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Wiklund, Olov, 1 ...
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Hedner, Thomas, ...
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Ohlsson, Claes, ...
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- Articles in the publication
- Eur Heart J
- By the university
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University of Gothenburg