Genome-wide linkage scan for genes affecting blood pressure trends
Author Information
Author(s): Kevin B Jacobs, Gray-McGuire Courtney, Kevin C Cartier, Robert C Elston
Primary Institution: Case Western Reserve University
Hypothesis
Can longitudinal data from the Framingham Heart Study reveal genetic linkages affecting systolic blood pressure?
Conclusion
The study identified significant genetic linkages for systolic blood pressure on chromosomes 12, 15, 17, and 20.
Supporting Evidence
- Significant results for mean SBP were found on chromosome 12 near marker GATA47F05.
- Chromosome 15 showed significant linkage between markers GATA22F01 and GATA27A03.
- Chromosome 17 had significant results near marker GATA28D11.
- Chromosome 20 showed significant results for both SBP slope and curvature.
Takeaway
Researchers looked at family data to find genes that might affect blood pressure over time, and they found some important clues on specific chromosomes.
Methodology
The study used a genome-wide linkage analysis on sibling pairs from the Framingham Heart Study, adjusting for treatment effects and using regression models.
Potential Biases
Potential bias due to the method of adjusting blood pressure measurements for treated individuals.
Limitations
The analysis was limited to a subset of individuals from the Framingham data, which may affect the generalizability of the findings.
Participant Demographics
Participants were individuals aged 25 to 75 from the Framingham Heart Study, including both genders.
Statistical Information
P-Value
0.00000029
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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