Comparing SNP and Microsatellite Linkage Analyses
Author Information
Author(s): Ulgen Ayse, Li Wentian
Primary Institution: G.H. Sergievsky Center, Columbia University
Hypothesis
Are the results consistent when comparing microsatellite marker and SNP-based linkage analyses?
Conclusion
The study found that while SNP and microsatellite markers generally lead to consistent linkage results, there are discrepancies at finer levels.
Supporting Evidence
- SNP markers can be used for both linkage and association studies due to their high-throughput production.
- The study showed that SNP-based linkage analyses may work better when several neighboring markers are combined.
- The highest linkage peaks were found on chromosome 7 for both SNP and microsatellite markers.
Takeaway
This study looked at how two different types of genetic markers help find links to alcoholism, and found that both types can give similar results, but not always perfectly.
Methodology
Nonparametric linkage analysis was conducted using SNP and microsatellite markers on a dataset of families affected by alcoholism.
Limitations
The study's findings may not apply to all complex diseases due to the unique characteristics of the dataset used.
Participant Demographics
The study included 143 families with a total of 1,614 individuals, primarily focusing on those affected by alcoholism.
Digital Object Identifier (DOI)
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