Genome-wide association study for subclinical atherosclerosis in major arterial territories in the NHLBI's Framingham Heart Study
2007

Genetic Study of Subclinical Atherosclerosis in the Framingham Heart Study

Sample size: 1345 publication Evidence: moderate

Author Information

Author(s): O'Donnell Christopher J, Cupples L Adrienne, D'Agostino Ralph B, Fox Caroline S, Hoffmann Udo, Hwang Shih-Jen, Ingellson Erik, Liu Chunyu, Murabito Joanne M, Polak Joseph F, Wolf Philip A, Demissie Serkalem

Primary Institution: The National Heart, Lung, and Blood Institute's Framingham Heart Study

Hypothesis

What genetic variants are associated with subclinical atherosclerosis measurements?

Conclusion

The study identified several SNPs that may be associated with subclinical atherosclerosis phenotypes, but none met the criteria for genome-wide significance.

Supporting Evidence

  • The study genotyped over 100,000 SNPs in 1345 subjects.
  • Associations were evaluated using linear regression and family-based association testing.
  • The study identified 11 SNPs with p < 10-5 by GEE and five SNPs with p < 10-5 by FBAT.

Takeaway

Scientists looked at people's genes to see if they could find links to heart problems that aren't obvious yet. They found some clues but need to check them again.

Methodology

The study genotyped over 100,000 SNPs in 1345 subjects and analyzed associations with various subclinical atherosclerosis phenotypes using linear regression and family-based association testing.

Limitations

The findings did not meet genome-wide significance, indicating potential false positives and the need for further validation.

Participant Demographics

Participants were from the Framingham Heart Study, including both men and women.

Statistical Information

P-Value

p < 10-5

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2350-8-S1-S4

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