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Transcription profiling of murine cerebellum to identify novel candidate genes for ethanol sensitivity QTLs.

ABSTRACT: Inbred Long-Sleep (ILS) and Inbred Short-Sleep (ISS) mice exhibit a large difference in a number of alcohol and drug related behaviors. This study examined the expression levels of transcripts in these strains in the cerebellum, which is a major target of ethanol's actions in the CNS, in order to find differentially expressed candidate genes for these phenotypes. Cerebellum was specifically chosen due to the fact that Purkinje cell sensitivity to ethanol in these strains is highly correlated to sleep time, the measure of ethanol sensitivity used with these strains. Naive mice were used because differences in sensitivity are observed upon initial exposure to ethanol. Experiment Overall Design: Expression was assayed using the Affymetrix Expression Set 430 A and B arrays. Four mice were included in the experiment, two ILS and two ISS.

ORGANISM(S): Mus musculus

SUBMITTER: Erik James MacLaren

PROVIDER: E-GEOD-3071 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression profiling identifies novel candidate genes for ethanol sensitivity QTLs.

MacLaren Erik J EJ Bennett Beth B Johnson Thomas E TE Sikela James M JM

Mammalian genome : official journal of the International Mammalian Genome Society 20060207 2

The Inbred Long Sleep (ILS) and Inbred Short Sleep (ISS) mouse strains have a 16-fold difference in duration of loss of the righting response (LORR) following administration of a sedative dose of ethanol. Four quantitative trait loci (QTLs) have been mapped in these strains for this trait. Underlying each of these QTLs must be one or more genetic differences (polymorphisms in either gene coding or regulatory regions) influencing ethanol sensitivity. Because prior studies have tended to focus on ...[more]

PMID: 16465594

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ILS/ISS Cerebellum Comparison Affy430

Project description:Inbred Long-Sleep (ILS) and Inbred Short-Sleep (ISS) mice exhibit a large difference in a number of alcohol and drug related behaviors. This study examined the expression levels of transcripts in these strains in the cerebellum, which is a major target of ethanol’s actions in the CNS, in order to find differentially expressed candidate genes for these phenotypes. Cerebellum was specifically chosen due to the fact that Purkinje cell sensitivity to ethanol in these strains is highly correlated to "sleep time", the measure of ethanol sensitivity used with these strains. Naive mice were used because differences in sensitivity are observed upon initial exposure to ethanol. Keywords: cerebellum, naive, untreated

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