Haplotype Sharing and Alcohol Dependence Study
Author Information
Author(s): Qian Dajun, Joan E Bailey-Wilson, Laura Almasy, Mariza de Andrade, Julia Bailey, Heike Bickeböller, Heather J Cordell, E Warwick Daw, Lynn Goldin, Ellen L Goode, Courtney Gray-McGuire, Wayne Hening, Gail Jarvik, Brion S Maher, Nancy Mendell, Andrew D Paterson, John Rice, Glen Satten, Brian Suarez, Veronica Vieland, Marsha Wilcox, Heping Zhang, Andreas Ziegler, Jean W MacCluer
Primary Institution: City of Hope National Medical Center
Hypothesis
This study tests the feasibility of a haplotype reconstruction algorithm and performs haplotype-sharing correlation analysis in nuclear families.
Conclusion
The study found significant haplotype associations with DSM-IV alcohol dependence in three markers across chromosomes 1–6.
Supporting Evidence
- Three markers were found to have significant haplotype associations with DSM-IV alcohol dependence.
- Marker rs1631833 at 109.1 cM on chromosome 4 had the strongest association with a p-value of 0.008.
- The study successfully reconstructed haplotypes in 98.2% of nuclear families.
Takeaway
Researchers looked at family genetics to see how certain gene patterns are linked to alcohol dependence, and they found some strong connections.
Methodology
The study used a haplotype reconstruction algorithm and haplotype-sharing correlation analysis on genetic data from nuclear families.
Potential Biases
The HSC method may not control for population stratification, which could introduce bias.
Limitations
Some nuclear families had missing genotype data, which affected haplotype reconstruction.
Participant Demographics
The study analyzed 93 nuclear families with an average family size of 6.6 members.
Statistical Information
P-Value
0.008, 0.03, 0.02
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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