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GABA plays a critical role in brain reward pathways via projecting signals from the ventral tegmental area to the nucleus accumbens. Activation of the reward circuitry by abused drugs induces abnormalities of GABA neurotransmission. Recent studies have indicated the involvement of GABAergic genes in the mechanism of drug dependence and its consequences. The aim of this paper is to provide a brief review of association studies of GABA-related genes with drug dependence. Single nucleotide polymorphisms (SNPs) in genes involved in GABA neurotransmission such as GABA receptor genes (GABR, GABBR), and glutamic acid decarboxylase genes (GAD) are the focus of this review as potential risk factors for drug dependence and its consequence psychosis. Copyright © 2019 Elsevier B.V. All rights reserved.

Citation

Sutisa Nudmamud-Thanoi, Siriluk Veerasakul, Samur Thanoi. Pharmacogenetics of drug dependence: Polymorphisms of genes involved in GABA neurotransmission. Neuroscience letters. 2020 May 01;726:134463

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PMID: 31472163

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