Dense genomewide linkage scan for alcohol dependence in African Americans: significant linkage on chromosome 10.
- Authors
- Gelernter, Joel; Kranzler, Henry R; Panhuysen, Carolien; Weiss, Roger D; Brady, Kathleen; Poling, James; Farrer, Lindsay
- Year
- 2009
- Journal
- Biological psychiatry
- PMID
- 18930185
- DOI
- 10.1016/j.biopsych.2008.08.036
- PMCID
- PMC2646253
BACKGROUND: Alcohol dependence (AD) is costly to societies worldwide, moderately heritable, and genetically complex. Risk loci in several populations have been identified with genetic linkage analysis. To date, there has been no published linkage study of AD focused on African Americans (AAs). METHODS: We completed a genomewide linkage scan with approximately 6000 single nucleotide polymorphism markers to map loci increasing risk for DSM-IV AD in a set of 238 small nuclear families ascertained on the basis of multiple individuals affected with cocaine or opioid dependence. Model free linkage analysis was completed with Merlin software. A modified marker set was used to avoid bias due to markers in strong linkage disequilibrium. RESULTS: We identified a genomewide-significant linkage to markers near 117.2 centiMorgans on chromosome 10q23.3-24.1 (logarithm of odds score 3.32; p = 5.0E-05; empirical genomewide p = .033). CONCLUSIONS: These data add to the growing evidence for locations for AD risk loci and provide the first linkage evidence for such a locus in the AA population.
No figures extracted from this document.
| Name | Type |
|---|---|
| 1000 genomewide simulations local | cohort |
| AA | cohort |
| AA control subjects local | cohort |
| AA families | cohort |
| AA sample | cohort |
| AA small nuclear families local | cohort |
| AD AAs local | cohort |
| ADH | gene |
| ADH1B | gene |
| affected sibling pair local | cohort |
| African American | cohort |
| African-Americans | cohort |
| alcohol | phenotype |
| alcohol abuse | phenotype |
| alcohol dependence | phenotype |
| Alcohol Problems | phenotype |
| alcohol sensitivity | phenotype |
| Alcohol Use | phenotype |
| alcohol withdrawal | phenotype |
| ALDH2 | gene |
| Alzheimer's disease | phenotype |
| ASPs local | cohort |
| Black Hispanic local | cohort |
| blood | drug |
| chr10:117.4cM local | variant |
| chr10:92cM local | variant |
| chr17:locus local | variant |
| CHRM2 | gene |
| CIDR | cohort |
| cocaine | phenotype |
| cocaine-induced paranoia | phenotype |
| conduct disorder | phenotype |
| DSM-IV alcohol dependence | phenotype |
| EA participants | cohort |
| EAs | cohort |
| European ancestry | cohort |
| European population | cohort |
| Fagerström Test for Nicotine Dependence | phenotype |
| Fagerstrom Test for Nicotine Dependence scores local | phenotype |
| GABRA2 | gene |
| Htr7 | gene |
| Illumina Linkage IVb Marker Panel local | drug |
| Irish families local | cohort |
| low-level response to alcohol local | phenotype |
| major psychotic illness local | phenotype |
| Major psychotic illness local | phenotype |
| McLean Hospital | cohort |
| Medical University of South Carolina | cohort |
| Mission Indians local | cohort |
| nicotine | drug |
| nicotine dependence | phenotype |
| Nicotine dependence-related traits local | phenotype |
| opioid | drug |
| opioid dependence | phenotype |
| Pedcheck | drug |
| PREST local | drug |
| rs2066702 | variant |
| saliva | drug |
| schizoaffective disorder | phenotype |
| schizophrenia | phenotype |
| SLC18A2 | gene |
| small nuclear pedigrees local | cohort |
| SNP | cohort |
| study cohort | cohort |
| substance use | phenotype |
| University of Connecticut Health Center | cohort |
| White Hispanic local | cohort |
| Yale University School of Medicine | cohort |
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