Mapping loci influencing blood pressure in the Framingham pedigrees using model-free LOD score analysis of a quantitative trait
2003

Mapping Blood Pressure Genes in Framingham Study

publication Evidence: moderate

Author Information

Author(s): Jo Knight, Bernard North, Pak C Sham, David Curtis

Primary Institution: King's College, London

Hypothesis

Can a model-free LOD score analysis identify loci influencing blood pressure in the Framingham pedigrees?

Conclusion

The new method shows promise in identifying genetic markers associated with blood pressure, overlapping with previous studies.

Supporting Evidence

  • The new method identified markers that overlap with previous linkage studies of hypertension.
  • Results showed some support for linkage in areas not highlighted in previous analyses.
  • The method is straightforward to apply and may complement existing methods for linkage analysis.

Takeaway

Researchers used a new method to find genes that might affect blood pressure in families from the Framingham study, and it worked pretty well.

Methodology

The study applied a model-free LOD score analysis to the Framingham Heart Study data to identify genetic markers related to blood pressure.

Limitations

The method requires further testing on additional datasets and could lack sensitivity if the true inheritance model is not close to the tested models.

Participant Demographics

Participants included complex pedigrees from the Framingham Heart Study.

Statistical Information

P-Value

<0.02

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2156-4-S1-S74

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