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GRIN2B Gene Polymorphism in Chronic Ketamine Users. | LitMetric

GRIN2B Gene Polymorphism in Chronic Ketamine Users.

Am J Addict

Guangzhou Huiai Hospital, The Affiliated Brain Hospital of Guangzhou Medical University, 36 Mingxin Road, Liwan District, Guangzhou, Guangdong, 510370, China.

Published: March 2020

Background And Objectives: We examined the allelic variants of N-methyl- d-aspartate receptor 2B (GRIN2B) and analyzed the associations between GRIN2B gene polymorphism with ketamine use conditions and psychopathological symptoms in chronic ketamine users.

Methods: A total of 231 subjects were recruited. Four single nucleotide polymorphisms of GRIN2B, rs1805502, rs7301328, rs890, and rs1806201 were examined in 151 male chronic ketamine users and 80 controls. Psychopathological symptoms in chronic ketamine users were evaluated using the Positive and Negative Syndrome Scale, the Beck Depression Inventory, and the Beck Anxiety Inventory.

Results: The genotype CC of rs1806201 had a lower frequency in ketamine users than that in control subjects (χ  = 8.167, P = .004) and the T allele frequency of rs1806201 in ketamine users was higher than that in the control subjects (P = .009, odds ratio = 2.019 [1.196-3.410]). Ketamine users of genotype TT and CC of rs1806201 had an earlier onset of ketamine use than subjects of genotype TC (P = .038, P = .049, respectively). The dose of ketamine consumption per day of use was higher in genotype GG of rs7301328 than that in those with CG in ketamine users (P = .026). There were no significant differences of the severity of psychopathologic symptoms among different genotypes tested.

Conclusion And Scientific Significance: GRIN2B gene polymorphism may play a role in ketamine abuse. (Am J Addict 2020;29:105-110).

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Source
http://dx.doi.org/10.1111/ajad.12984DOI Listing

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