PMID: 11908512Mar 23, 2002Paper

Plasminogen activator inhibitor-I (PAI-I) polymorphisms in patients with obstructive sleep apnoea

Respiratory Medicine
A BarcelóA G N Agustí

Abstract

Cardiovascular diseases are frequent among patients with the obstructive sleep apnoea syndrome (OSAS), The aetiopathogenesis of this association is unclear. Type 1 plasminogen activator inhibitor (PAI-1) is one of the primary regulators of the fibrinolytic system. A reported association between PAI-1 activity and an insertion/deletion polymorphism (4G/5G) in the promoter region of the PAI-1 gene suggests a critical role for this genomic region in the pathogenesis of several cardiovascular diseases. In this study, we determined the prevalence of this polymorphism in patients with OSAS and in healthy control subjects. The 4G/5G polymorphism in the promoter region of the PAI-1 gene was determined in 78 male patients with severe OSAS (56 +/- 2 apnoeas per hour) and in 70 healthy male, non-smoker volunteers of similar age, without personal or familial history of cardiovascular disease. The frequency ofthe 4G/4G, 4G/5G and 5G/5G genotypes in patients with OSAS (18%, 62%, 19%, respectively) was not significantly different from that seen in healthy subjects (16%, 60%, 24% P=NS). These results show that the distribution of the 4G/5G polymorphism in the promoter region ofthe PAI-1 gene in patients with OSAS is similar to that observed in...Continue Reading

References

Oct 1, 1988·Sleep·L E KapuniaiJ W Pearce
Mar 14, 1995·Proceedings of the National Academy of Sciences of the United States of America·P ErikssonA Hamsten
May 11, 2000·The New England Journal of Medicine·P E PeppardJ Skatrud
Dec 6, 2000·The European Respiratory Journal·A BarcelóA G Agustí
Feb 24, 2001·American Journal of Respiratory and Critical Care Medicine·J Hedner, L Grote
Feb 24, 2001·American Journal of Respiratory and Critical Care Medicine·E ShaharJ M Samet

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