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Zee, R.Y. et al.

Robert Y. L. Zee, Vadim Bubes, Sanjay Shrivastava, Paul M. Ridker, Robert J. Glynn,

Genetic risk factors in recurrent venous thromboembolism: A multilocus, population-based, prospective approach.

BACKGROUND: Recurrent venous thromboembolism (VTE) is a common, complex disorder; however, genetic factors have been suggested to play a role in the disease development. We therefore conducted a multi-locus genetic study examining the potential associations of candidate gene variants in inflammation, thrombosis, coagulation, and lipid metabolism pathways, individually or interactively, with risk of recurrent VTE. METHODS: Using DNA samples collected at baseline in the Prevention of Recurrent Venous Thromboembolism trial (PREVENT), we genotyped 86 candidate genes polymorphisms among 43 individuals who subsequently developed recurrent VTE and among 396 individuals who remained free of recurrent event over a mean follow-up period of 2.1 years to prospectively determine whether these gene polymorphisms contribute to the risk of recurrent VTE. RESULTS: Using a single-marker 'uncorrected' analysis, CCR5 A(-2459)G [rs1799864], MMP3 5A(-1171)6A [rs3025058] and PON1 gln192arg [rs662] gene variants were associated with increased risk, and CETP C(-629)A [rs1800775] gene variant with reduced risk of recurrent VTE, respectively. Furthermore, potentially important gene-gene-interactions were detected by the Monte Carlo Markov chain Logic Regression method. CONCLUSIONS: Although the present findings are hypothesis-generating and require confirmation in an independent investigation, our study provides a practical example of detecting epistasis in common, complex diseases.[1]

References

Genetic risk factors in recurrent venous thromboembolism: A multilocus, population-based, prospective approach. Zee, R.Y., Bubes, V., Shrivastava, S., Ridker, P.M., Glynn, R.J. Clin. Chim. Acta (2009) [Pubmed]

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