Association between LRP5 polymorphism and bone mineral density: a Bayesian meta-analysis
2008

Association between LRP5 gene and bone mineral density

Sample size: 16705 publication Evidence: moderate

Author Information

Author(s): Tran Bich NH, Nguyen Nguyen D, Eisman John A, Nguyen Tuan V

Primary Institution: Garvan Institute of Medical Research, St Vincent's Hospital, Sydney, Australia

Hypothesis

Is there an association between LRP5 gene polymorphisms and bone mineral density (BMD)?

Conclusion

The study suggests a modest effect of the A1330V polymorphism on BMD in the general population.

Supporting Evidence

  • The study included 19 studies after excluding irrelevant papers.
  • 10 studies reported BMD values for the A1330V polymorphism.
  • Genotype frequency varied significantly across different ethnic populations.

Takeaway

This study looked at how a specific gene affects bone strength. It found that people with a certain version of the gene have slightly stronger bones.

Methodology

A systematic electronic search was conducted to identify studies on the association between LRP5 gene and BMD, followed by random-effects meta-analyses.

Potential Biases

Potential publication bias was noted, particularly for femoral neck BMD.

Limitations

The analysis was limited to a single SNP (rs3736228) and may not reflect more complex associations.

Participant Demographics

The majority of participants were women (approximately 80%), aged between 18 and 81 years.

Statistical Information

P-Value

0.002

Confidence Interval

0.012 to 0.023

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2350-9-55

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