Identifying Genes Linked to Alcohol and Tobacco Use
Author Information
Author(s): Mariza de Andrade, Curtis L Olswold, Joshua P Slusser, Larry A Tordsen, Elizabeth J Atkinson, Kari G Rabe, Susan L Slager
Primary Institution: Mayo Clinic College of Medicine
Hypothesis
Can single-nucleotide polymorphisms provide better linkage analysis for alcohol consumption and smoking than microsatellite markers?
Conclusion
The study found that single-nucleotide polymorphisms showed increased linkage signals for alcohol consumption compared to microsatellite markers.
Supporting Evidence
- The study analyzed 115 extended families to assess genetic links to alcohol and tobacco use.
- SNPs provided better linkage signals than microsatellite markers in the analysis.
- The proposed screening test showed potential for reducing analysis time in genetic studies.
Takeaway
The researchers looked at families to find genes that might affect how much people drink and smoke. They found that a new method using SNPs could help find these genes faster.
Methodology
The study used quantitative linkage analysis with SNPs and microsatellite markers on data from extended families.
Limitations
The study's findings may be limited by the computational intensity of the analyses and the potential for misleading results from the screening test.
Participant Demographics
The analysis focused on 115 extended non-Hispanic White families.
Statistical Information
P-Value
0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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