Linkage Study of Hypertension and BMI in Framingham Heart Study
Author Information
Author(s): Denise Daley, Shannon R Edwards, Yeunjoo Song, Dan Baechle, Sobha Puppala, JH Schick, Jane M Olson, Katrina AB Goddard
Primary Institution: Case Western Reserve University
Hypothesis
Does the interaction between gender and body mass index (BMI) influence the genetic linkage for hypertension?
Conclusion
Including covariates like gender and BMI in linkage analysis significantly improves the detection of genetic regions associated with hypertension.
Supporting Evidence
- Significant evidence for linkage was found on chromosome 2 at 74 cM.
- The study identified suggestive evidence of linkage on chromosomes 1, 4, 12, 15, 18, 19, 20, and 22.
- The interaction of BMI with gender was highly significant (p = 0.009).
- The study utilized a covariate-based affected relative pair approach to improve linkage detection.
Takeaway
This study found that how much you weigh and whether you are a boy or a girl can change the chances of having high blood pressure because of your genes.
Methodology
The study used a covariate-based affected relative pair approach to analyze phenotypic and genotypic data from the Framingham Heart Study.
Limitations
Candidate genes were not evaluated in most regions, and the study may not account for all genetic variations influencing hypertension.
Participant Demographics
1174 individuals with hypertension (562 males and 612 females) were analyzed.
Statistical Information
P-Value
0.009
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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