Empirically derived phenotypic subgroups – qualitative and quantitative trait analyses
2003

Identifying Genetic Groups Related to Atherogenic Dyslipidemia

Sample size: 3070 publication Evidence: moderate

Author Information

Author(s): Marsha A Wilcox, Diego F Wyszynski, Carolien I Panhuysen, Qianli Ma, Agustin Yip, John Farrell, Lindsay A Farrer

Primary Institution: Boston University School of Medicine

Hypothesis

Can we derive multivariate traits and assess their heritability in the Framingham Heart Study population?

Conclusion

The study identified four distinct phenotypic groups, with one group showing significant heritability related to atherogenic dyslipidemia.

Supporting Evidence

  • Four distinct phenotypic groups were identified.
  • The smallest group had a heritability of 38%.
  • Qualitative and quantitative linkage analyses were conducted on heritable traits.
  • Significant LOD scores were found on chromosomes 11 and 14.

Takeaway

Researchers found different groups of people based on their health traits, and one group had a genetic link to a specific type of unhealthy cholesterol.

Methodology

The study used multiple correspondence analysis and two-stage clustering to identify phenotypic groups and assessed heritability using SOLAR.

Potential Biases

The clustering methods may be influenced by the specific data set used.

Limitations

The findings may include false positives and are based on empirical definitions rather than clinical criteria.

Participant Demographics

Participants were from the Framingham Heart Study, but specific demographics are not detailed.

Statistical Information

P-Value

p < 1 × 10-6

Statistical Significance

p < 1 × 10-6

Digital Object Identifier (DOI)

10.1186/1471-2156-4-S1-S15

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication