Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Binder, A. et al.

4G4G genotype of the plasminogen activator inhibitor-1 promoter polymorphism associates with disseminated intravascular coagulation in children with systemic meningococcemia.

BACKGROUND: Meningococcal disease may present as sepsis, meningitis or a combination of both. Impaired fibrinolysis and massive elevation of the plasminogen activator inhibitor-1 (PAI-1) is a characteristic feature of meningococcal sepsis. We and others have reported an association between mortality and the functional 4G/5G promoter polymorphism of the PAI-1 gene in children with meningococcal sepsis. OBJECTIVE: Multicenter study to investigate the association of the 4G/5G PAI-1 polymorphism and disseminated intravascular coagulation (DIC) in children with meningococcal disease in a Central European population. PATIENTS/METHODS: Blood samples and clinical information of 326 previously healthy children with meningococcal infection were collected from 95 pediatric hospitals in Germany, Switzerland, Italy, and Austria from 2000 to 2002. RESULTS: DIC, defined as platelet counts below 100 G L(-1), increased D-dimer levels and prolonged prothrombin time, was significantly associated with the 4G4G genotype [31 of 63 (49%) vs. 55 of 175 (31%), P = 0.014], resulting in a hazard ratio (HR) of 1.5 (95% confidence interval 1.1-2.1) to develop DIC. Carriers of the 4G4G genotype showed significantly lower platelet counts (183 G L(-1) vs. 227 G L(-1), P = 0.009) on admission. Fibrinogen and C-reactive protein levels were not associated with the PAI-1 4G/5G polymorphism, nor were white blood cell counts. CONCLUSIONS: Our data show a correlation between the 4G4G genotype of the PAI-1 gene and development of DIC in meningococcal infection.[1]

References

4G4G genotype of the plasminogen activator inhibitor-1 promoter polymorphism associates with disseminated intravascular coagulation in children with systemic meningococcemia. Binder, A., Endler, G., Müller, M., Mannhalter, C., Zenz, W. J. Thromb. Haemost. (2007) [Pubmed]

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