Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2007-7-31
pubmed:abstractText
We describe a comprehensive translational approach for identifying candidate genes for alcoholism. The approach relies on the cross-matching of animal model brain gene expression data with human genetic linkage data, as well as human tissue data and biological roles data, an approach termed convergent functional genomics. An analysis of three animal model paradigms, based on inbred alcohol-preferring (iP) and alcohol-non-preferring (iNP) rats, and their response to treatments with alcohol, was used. A comprehensive analysis of microarray gene expression data from five key brain regions (frontal cortex, amygdala, caudate-putamen, nucleus accumbens and hippocampus) was carried out. The Bayesian-like integration of multiple independent lines of evidence, each by itself lacking sufficient discriminatory power, led to the identification of high probability candidate genes, pathways and mechanisms for alcoholism. These data reveal that alcohol has pleiotropic effects on multiple systems, which may explain the diverse neuropsychiatric and medical pathology in alcoholism. Some of the pathways identified suggest avenues for pharmacotherapy of alcoholism with existing agents, such as angiotensin-converting enzyme (ACE) inhibitors. Experiments we carried out in alcohol-preferring rats with an ACE inhibitor show a marked modulation of alcohol intake. Other pathways are new potential targets for drug development. The emergent overall picture is that physical and physiological robustness may permit alcohol-preferring individuals to withstand the aversive effects of alcohol. In conjunction with a higher reactivity to its rewarding effects, they may able to ingest enough of this nonspecific drug for a strong hedonic and addictive effect to occur.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1470-269X
pubmed:author
pubmed:issnType
Print
pubmed:volume
7
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
222-56
pubmed:dateRevised
2007-12-3
pubmed:meshHeading
pubmed-meshheading:17033615-Alcohol Drinking, pubmed-meshheading:17033615-Alcoholism, pubmed-meshheading:17033615-Angiotensin-Converting Enzyme Inhibitors, pubmed-meshheading:17033615-Animals, pubmed-meshheading:17033615-Bayes Theorem, pubmed-meshheading:17033615-Behavior, Animal, pubmed-meshheading:17033615-Brain, pubmed-meshheading:17033615-Central Nervous System Depressants, pubmed-meshheading:17033615-Cluster Analysis, pubmed-meshheading:17033615-Databases, Genetic, pubmed-meshheading:17033615-Ethanol, pubmed-meshheading:17033615-Gene Expression Profiling, pubmed-meshheading:17033615-Gene Regulatory Networks, pubmed-meshheading:17033615-Genetic Predisposition to Disease, pubmed-meshheading:17033615-Genomics, pubmed-meshheading:17033615-Humans, pubmed-meshheading:17033615-Lisinopril, pubmed-meshheading:17033615-Male, pubmed-meshheading:17033615-Oligonucleotide Array Sequence Analysis, pubmed-meshheading:17033615-Rats, pubmed-meshheading:17033615-Rats, Inbred Strains, pubmed-meshheading:17033615-Reproducibility of Results, pubmed-meshheading:17033615-Research Design, pubmed-meshheading:17033615-Risk Factors, pubmed-meshheading:17033615-Self Administration, pubmed-meshheading:17033615-Time Factors
pubmed:year
2007
pubmed:articleTitle
Candidate genes, pathways and mechanisms for alcoholism: an expanded convergent functional genomics approach.
pubmed:affiliation
Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Research Support, N.I.H., Extramural