Genome-wide mapping of susceptibility to coronary artery disease identifies a novel replicated locus on Chromosome 17
2006

Mapping Genes for Coronary Artery Disease

Sample size: 2658 publication Evidence: moderate

Author Information

Author(s): Farrall Martin, Green Fiona R, Peden John F, Olsson Per G, Clarke Robert, Hellenius Mai-Lis, Rust Stephan, Lagercrantz Jacob, Franzosi Maria Grazia, Schulte Helmut, Carey Alisoun, Olsson Gunnar, Assmann Gerd, Tognoni Gianni, Collins Rory, Hamsten Anders, Watkins Hugh

Primary Institution: University of Oxford

Hypothesis

Can we identify new genes involved in coronary artery disease (CAD) through genome-wide mapping?

Conclusion

The study identified a novel replicated locus for myocardial infarction on Chromosome 17, suggesting new genetic targets for CAD.

Supporting Evidence

  • The study involved 2,658 affected sibling pairs from four European countries.
  • Genome-wide linkage analysis identified significant loci on Chromosomes 3, 11, and 17.
  • The results were replicated in an independent cohort, confirming the findings.

Takeaway

Scientists looked at families with heart disease to find new genes that might cause it, and they found an important area on Chromosome 17.

Methodology

The study used genome-wide linkage analysis with affected sibling pairs to identify genetic loci associated with CAD.

Potential Biases

Potential biases in participant selection and genetic analysis methods.

Limitations

The study may not capture all genetic factors due to the complexity and heterogeneity of CAD.

Participant Demographics

Participants were primarily of European ancestry from four countries.

Statistical Information

P-Value

0.009

Statistical Significance

p = 0.009

Digital Object Identifier (DOI)

10.1371/journal.pgen.0020072

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