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Evaluation of Alcohol Preference and Drinking in msP Rats Bearing a Crhr1 Promoter Polymorphism

Overview of attention for article published in Frontiers in Psychiatry, February 2018
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Title
Evaluation of Alcohol Preference and Drinking in msP Rats Bearing a Crhr1 Promoter Polymorphism
Published in
Frontiers in Psychiatry, February 2018
DOI 10.3389/fpsyt.2018.00028
Pubmed ID
Authors

Marian L. Logrip, John R. Walker, Lydia O. Ayanwuyi, Valentina Sabino, Roberto Ciccocioppo, George F. Koob, Eric P. Zorrilla

Abstract

Alcoholism is a pervasive societal problem, yet available pharmacotherapies fail to treat most sufferers. The type 1 corticotropin-releasing factor (CRF1) receptor has received much attention for its putative role in the progression to alcohol dependence, although at present its success in clinical trials has been limited. Two single-nucleotide polymorphisms in the ratCrhr1promoter have been identified in the Marchigian substrain of Sardinian alcohol-preferring (msP) rats. Unlike other Wistar-derived alcohol-preferring lines, nondependent msP rats reduce their alcohol self-administration in response to CRF1antagonists and show increased brain CRF1expression. The current study tested the hypotheses that the A alleles in theCrhr1promoter polymorphisms are: (1) unique to msP (vs. CRF1antagonist-insensitive) alcohol-preferring lines and (2) associate with greater alcohol preference or intake. Two related polymorphisms were observed in which both loci on a given chromosome were either mutant variant (A) or wild-type (G) alleles within the distalCrhr1promoter of 17/25 msP rats (68%), as compared to 0/23 Indiana P rats, 0/20 Sardinian alcohol-preferring rats bred at Scripps (Scr:sP) and 0/21 outbred Wistar rats. Alcohol consumption in msP rats did not differ according to the presence ofCrhr1A alleles, but greater alcohol preference (98%) was observed in A allele homozygous msP rats (AA) compared to msP rats with wild-type (GG, 91%) or heterozygous (GA, 91%) genotypes. The greater alcohol preference reflected decreased water intake, accompanied by reduced total calories consumed by AA rats. The data show that msP rats differentially possess mutant A variant alleles in the polymorphic promoter region of theCrhr1gene that may differentially regulate consumption.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 14 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 3 21%
Student > Bachelor 2 14%
Student > Doctoral Student 2 14%
Student > Master 2 14%
Professor 1 7%
Other 0 0%
Unknown 4 29%
Readers by discipline Count As %
Medicine and Dentistry 2 14%
Psychology 2 14%
Veterinary Science and Veterinary Medicine 1 7%
Nursing and Health Professions 1 7%
Agricultural and Biological Sciences 1 7%
Other 2 14%
Unknown 5 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 February 2018.
All research outputs
#20,465,050
of 23,023,224 outputs
Outputs from Frontiers in Psychiatry
#7,806
of 10,146 outputs
Outputs of similar age
#408,025
of 474,288 outputs
Outputs of similar age from Frontiers in Psychiatry
#123
of 129 outputs
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