Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats.

Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Research Abstract Details 

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Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Abstract Text:

Tiebing Liang,Lucinda G Carr,

The alpha-synuclein (Snca) gene is expressed at higher levels in alcohol-naïve, inbred alcohol-preferring (iP) rats than in alcohol-non preferring (iNP) rats. Snca modulates dopamine transmission and the dopamineregic system, which play a role in mediating the rewarding properties of alcohol consumption. Thus, understanding regulation of Snca gene expression could provide insight into the relationship of Snca and alcohol consumption. To study regulation of rat Snca expression, 1,912 bp of the iP and iNP 5'-regions were cloned and sequenced. 5'-rapid amplification of cDNA ends (RACE), primer extension and RT-PCR mapped three transcription start site clusters (clusters TSS1, TSS2 and TSS3), suggesting that the Snca proximal promoter region has a complex architecture. This proximal promoter region has three TATA-less core promoters containing SP1 binding sites, initiator elements and downstream core promoter elements, which are often located in such promoters. Snca-luc constructs transiently transfected into SK-N-SH neuroblastoma cells showed that the region from - 1,912 to - 1,746 contained a strong core promoter, and that the entire approximately 2 kb region had significant promoter activity. Five polymorphisms identified between the iP and iNP in the proximal promoter region did not influence differential expression between the strains. In contrast, a single nucleotide polymorphism (SNP) at + 679 in the 3'-untranslated region (UTR) resulted in a 1.3-fold longer half-life of iP mRNA compared with iNP mRNA, which is consistent with the differential expression observed between the iP and iNP strains. These results suggest that regulation of rat Snca gene expression is complex and may contribute to alcohol preference in the iP rats.

Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Publishing Authors By Initials

T Liang,LG Carr,

For similar proteins: nerve tissue proteins: synucleins: alpha-synuclein research abstracts see: proteins: nerve tissue proteins: synucleins: alpha-synuclein research

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MEDLINE DATE:

Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Journal of neurochemistry

VOLUME: 99

Page Numbers: 470-82

Journal Abbreviation: J. Neurochem.

ISSN: 0022-3042

DAY: 3

MONTH: Oct

YEAR: 2006

Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 2985190

Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Keywords Mesh Terms:

KEYWORDS: alpha-Synuclein

MESH TERMS: genetics

Chemical & Substance for Abstract: Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats. Information

Substance Name: Ethanol

Registry Number: 64-17-5

Grant and Affiliation Information for Regulation of alpha-synuclein expression in alcohol-preferring and -non preferring rats.

AFFILIATION: Department of Medicine, Indiana University School of Medicine, Indianapolis, 46202, USA.

Country: England

AGENCY: United States NIAAA

GRANT: AA10707

ACRONYM: AA

MEDLINETA: J Neurochem

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