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

Association of the interleukin-1 gene cluster with radiographic signs of osteoarthritis of the hip.

OBJECTIVE: To study the role of the interleukin-1 beta gene (IL1B) and the IL-1 receptor antagonist gene (IL1RN) in relation to the occurrence of radiographic osteoarthritis (ROA) in the hip, knee, and hand and disc degeneration of the spine. METHODS: The study population consisted of a random sample of 886 subjects (ages 55-65 years) from a population-based cohort (the Rotterdam study). Two polymorphisms within IL1B (3953C>T and -511C>T) and one within IL1RN (the variable-number tandem repeat [VNTR]) were analyzed and used in an association study of the occurrence of ROA. Haplotyping and simultaneous logistic regression analysis were performed to investigate whether the associations observed were independent. RESULTS: Associations with a predisposition for hip ROA were observed for heterozygous and homozygous carriers of the rare IL1B allele -511T (crude odds ratio [OR] 1.8, 95% confidence interval [95% CI] 1.0-3.4 and OR 2.9, 95% CI 1.4-6.3, respectively) and of the IL1RN VNTR allele 2 (crude OR 2.0, 95% CI 1.1-3.4 and OR 3.3, 95% CI 1.4-7.8, respectively). An additive effect was observed for carriers of risk alleles of both polymorphisms, with a significant linear-by-linear association (P = 0.00022). CONCLUSION: Our findings suggest that the IL-1 gene cluster polymorphisms may play a significant role in the pathogenesis of OA of the hip.[1]

References

  1. Association of the interleukin-1 gene cluster with radiographic signs of osteoarthritis of the hip. Meulenbelt, I., Seymour, A.B., Nieuwland, M., Huizinga, T.W., van Duijn, C.M., Slagboom, P.E. Arthritis Rheum. (2004) [Pubmed]
 
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