OBJECTIVES: To assess whether paraoxonase (PON1) polymorphisms at positions 55 and 192 and/or their phenotypic expressions influence the risk of myocardial infarction (MI) in Spanish population. DESIGN AND METHODS: Two hundred and fifteen male survivors of a MI and their age-matched controls were included in the study. Lipids, apolipoproteins (apo) A-I and B, PON1 activity on paraoxon and phenylacetate and PON1 polymorphisms were determined. RESULTS: Genotype distribution was similar in patients and controls. Enzyme activities were lower in patients, but multiple logistic regression analysis did not show any independent association with a higher risk of MI. CONCLUSION: None of the PON1 polymorphisms or their corresponding measured activities are independent risk factors for MI in our population.
OBJECTIVES: To assess whether paraoxonase (PON1) polymorphisms at positions 55 and 192 and/or their phenotypic expressions influence the risk of myocardial infarction (MI) in Spanish population. DESIGN AND METHODS: Two hundred and fifteen male survivors of a MI and their age-matched controls were included in the study. Lipids, apolipoproteins (apo) A-I and B, PON1 activity on paraoxon and phenylacetate and PON1 polymorphisms were determined. RESULTS: Genotype distribution was similar in patients and controls. Enzyme activities were lower in patients, but multiple logistic regression analysis did not show any independent association with a higher risk of MI. CONCLUSION: None of the PON1 polymorphisms or their corresponding measured activities are independent risk factors for MI in our population.
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Authors: Debbie A Lawlor; Ian N M Day; Tom R Gaunt; Lesley J Hinks; Patricia J Briggs; Matthew Kiessling; Nick Timpson; George Davey Smith; Shah Ebrahim Journal: BMC Genet Date: 2004-06-23 Impact factor: 2.797