During the last 5 years of support, we have identified genomic regions (quantitative trit loci, QTLs that contain some of the genes responsible to ethanol, including preference drinking, conditioned taste aversion, and acute an chronic withdrawal (section 3AC.1). An important goal of behavior genomics is to identify the gene underlying a QTL, and to elucidate the functional mechanism by which the gene influences the behavior of interest. In the next 5 years, complementary strategies will emphasize high resolution QTL mapping to approximately 1cm (Molecular Support Core, Component 2), and the identification of candidate genes within the QTL intervals. In the Molecular Genetics Support Core, the more promising candidate genes will be tested for differences in coding sequence (Component 3A) and expression/function (Component 3B) between appropriate animal models. Syntenic homology between mouse, human, and rat will be used together with the rapidly expanding gene/EST sequence and mapping databases to identify candidate genes/ESTs within the QTL intervals. Within the next five years, many genetic markers and almost all genes will be physically mapped in the human and mouse genomes. Consequently, knowing which genetic markers define a QTL region will automatically indicate which candidate genes are in the region. Priority for sequence and expression/function comparisons will be determined based on several criteria, including map location, putative biological role, likely relevance to ethanol action, and expression profile (e.g., known expression in the brain). Database sequence information will also be used to design oligonucleotide primers that flank genes of interest for polymerase chain reaction (PCR) amplification of the coding regions from both progenitor strains, and automated DNA sequencing of the PCR products will be carried out to identify possible sequence differences, with primary emphasis on protein coding regions. These PCR products will also be used as probes for candidate gene mRNA expression analyses (Component 3B). The Molecular Genetics Support Core involves all of the candidate gene cloning and sequencing needed for Components 4, 5, 6 and Pilot 10D. This Core Component also involves all of the expression analyses for Components 4, 6, and Pilot 10D. This Component will be active in all years of requested Center support.

Agency
National Institute of Health (NIH)
Institute
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Type
Specialized Center (P50)
Project #
2P50AA010760-06
Application #
6434151
Study Section
Special Emphasis Panel (ZAA1)
Project Start
1995-12-20
Project End
2005-12-31
Budget Start
Budget End
Support Year
6
Fiscal Year
2001
Total Cost
Indirect Cost
Name
Oregon Health and Science University
Department
Type
DUNS #
009584210
City
Portland
State
OR
Country
United States
Zip Code
97239
Iancu, Ovidiu D; Colville, Alexander; Walter, Nicole A R et al. (2018) On the relationships in rhesus macaques between chronic ethanol consumption and the brain transcriptome. Addict Biol 23:196-205
Purohit, Kush; Parekh, Puja K; Kern, Joseph et al. (2018) Pharmacogenetic Manipulation of the Nucleus Accumbens Alters Binge-Like Alcohol Drinking in Mice. Alcohol Clin Exp Res 42:879-888
Iancu, Ovidiu Dan; Colville, Alex M; Wilmot, Beth et al. (2018) Gender-Specific Effects of Selection for Drinking in the Dark on the Network Roles of Coding and Noncoding RNAs. Alcohol Clin Exp Res :
Aoun, E G; Jimenez, V A; Vendruscolo, L F et al. (2018) A relationship between the aldosterone-mineralocorticoid receptor pathway and alcohol drinking: preliminary translational findings across rats, monkeys and humans. Mol Psychiatry 23:1466-1473
Buck, Kari J; Chen, Gang; Kozell, Laura B (2017) Limbic circuitry activation in ethanol withdrawal is regulated by a chromosome 1 locus. Alcohol 58:153-160
Crabbe, John C; Ozburn, Angela R; Metten, Pamela et al. (2017) High Drinking in the Dark (HDID) mice are sensitive to the effects of some clinically relevant drugs to reduce binge-like drinking. Pharmacol Biochem Behav 160:55-62
Colville, A M; Iancu, O D; Oberbeck, D L et al. (2017) Effects of selection for ethanol preference on gene expression in the nucleus accumbens of HS-CC mice. Genes Brain Behav 16:462-471
Hitzemann, Robert; Oberbeck, Denesa; Iancu, Ovidiu et al. (2017) Alignment of the transcriptome with individual variation in animals selectively bred for High Drinking-In-the-Dark (HDID). Alcohol 60:115-120
Chesler, Elissa J; Gatti, Daniel M; Morgan, Andrew P et al. (2016) Diversity Outbred Mice at 21: Maintaining Allelic Variation in the Face of Selection. G3 (Bethesda) 6:3893-3902
Crabbe, John C; Schlumbohm, Jason P; Hack, Wyatt et al. (2016) Fear conditioning in mouse lines genetically selected for binge-like ethanol drinking. Alcohol 52:25-32

Showing the most recent 10 out of 162 publications