Artigo recomendado do mês: Sequence variations in PCSK9, low LDL, and protection against coronary heart disease

Translated title of the contribution: Recommended article of the month: Sequence variations in PCSK9, low LDL, and protection against coronary heart disease

Jonathan C. Cohen, Eric Boerwinkle, Thomas H. Mosley, Helen H. Hobbs

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: A low plasma level of low-density lipoprotein (LDL) cholesterol is associated with reduced risk of coronary heart disease (CHD), but the effect of lifelong reductions in plasma LDL cholesterol is not known. We examined the effect of DNA-sequence variations that reduce plasma levels of LDL cholesterol on the incidence of coronary events in a large population. Methods: We compared the incidence of CHD (myocardial infarction, fatal CHD, or coronary revascularization) over a 15-year interval in the Atherosclerosis Risk in Communities study according to the presence or absence of sequence variants in the proprotein convertase subtilisin/kexin type 9 serine protease gene (PCSK9) that are associated with reduced plasma levels of LDL cholesterol. Results: Of the 3363 black subjects examined, 2.6 percent had nonsense mutations in PCSK9; these mutations were associated with a 28 percent reduction in mean LDL cholesterol and an 88 percent reduction in the risk of CHD (p = 0.008 for the reduction; hazard ratio, 0.11; 95 percent confidence interval, 0.02 to 0.81; p = 0.03). Of the 9524 white subjects examined, 3.2 percent had a sequence variation in PCSK9 that was associated with a 15 percent reduction in LDL cholesterol and a 47 percent reduction in the risk of CHD (hazard ratio, 0.50; 95 percent confidence interval, 0.32 to 0.79; p = 0.003). Conclusions: These data indicate that moderate lifelong reduction in the plasma level of LDL cholesterol is associated with a substantial reduction in the incidence of coronary events, even in populations with a high prevalence of non-lipid-related cardiovascular risk factors.

Original languageUndefined
Pages (from-to)769-771
Number of pages3
JournalRevista Portuguesa de Cardiologia
Volume25
Issue number7-8
StatePublished - Jul 2006

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LDL Lipoproteins
LDL Cholesterol
Coronary Disease
Risk Reduction Behavior
Incidence
Confidence Intervals
Lipoprotein(a)
Nonsense Codon
Serine Proteases
Population
Atherosclerosis
Myocardial Infarction
Mutation
Genes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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Artigo recomendado do mês : Sequence variations in PCSK9, low LDL, and protection against coronary heart disease. / Cohen, Jonathan C.; Boerwinkle, Eric; Mosley, Thomas H.; Hobbs, Helen H.

In: Revista Portuguesa de Cardiologia, Vol. 25, No. 7-8, 07.2006, p. 769-771.

Research output: Contribution to journalArticle

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T2 - Sequence variations in PCSK9, low LDL, and protection against coronary heart disease

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