Pharmacological targeting of the GABAʙ receptor alters Drosophila's behavioural responses to alcohol
Article
Ranson, D., Ayoub, S., Corcoran, O. and Casalotti, S. 2019. Pharmacological targeting of the GABAʙ receptor alters Drosophila's behavioural responses to alcohol. Addiction Biology. 25 (Art. e12725). https://doi.org/10.1111/adb.12725
Authors | Ranson, D., Ayoub, S., Corcoran, O. and Casalotti, S. |
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Abstract | When exposed to ethanol, Drosophila melanogaster display a variety of addiction‐like behaviours similar to those observed in mammals. Sensitivity to ethanol can be quantified by measuring the time at which 50% of the flies are sedated by ethanol exposure (ST50); an increase of ST50 following multiple ethanol exposures is widely interpreted as development of tolerance to ethanol. Sensitivity and tolerance to ethanol were measured after administration of the gamma‐aminobutyric acid receptor B (GABAʙ) agonist (SKF 97541) and antagonist (CGP 54626), when compared with flies treated with ethanol alone. Dose‐dependent increases and decreases in sensitivity to ethanol were observed for both the agonist and antagonist respectively. Tolerance was recorded in the presence of GABAʙ drugs, but the rate of tolerance development was increased by SKF 97451 and unaltered in presence of CGP 54626. This indicates that the GABAʙ receptor contributes to both the sensitivity to ethanol and mechanisms by which tolerance develops. The data also reinforce the usefulness of Drosophila as a model for identifying the molecular components of addictive behaviours and for testing drugs that could potentially be used for the treatment of alcohol use disorder (AUD). |
Journal | Addiction Biology |
Journal citation | 25 (Art. e12725) |
ISSN | 1355-6215 |
Year | 2019 |
Publisher | Wiley for Society for the Study of Addiction |
Publisher's version | License File Access Level Anyone |
Digital Object Identifier (DOI) | https://doi.org/10.1111/adb.12725 |
Web address (URL) | https://doi.org/10.1111/adb.12725 |
Publication dates | |
Online | 13 Feb 2019 |
Publication process dates | |
Deposited | 13 Feb 2019 |
Accepted | 17 Jan 2019 |
Accepted | 17 Jan 2019 |
Funder | Society for the Study of Addiction |
Society for the Study of Addiction | |
Copyright holder | © 2019 The Authors |
https://repository.uel.ac.uk/item/844v1
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